diff --git a/ext/data/schemas/options-schema.json b/ext/data/schemas/options-schema.json
index 4c97764c38..dedf600b10 100644
--- a/ext/data/schemas/options-schema.json
+++ b/ext/data/schemas/options-schema.json
@@ -790,9 +790,9 @@
                                 },
                                 "additionalProperties": {
                                     "type": "object",
-                                    "required": ["textTransformations"],
+                                    "required": ["textPreprocessors"],
                                     "properties": {
-                                        "textTransformations": {
+                                        "textPreprocessors": {
                                             "type": "object",
                                             "propertyNames": {
                                                 "type": "string"
@@ -806,7 +806,7 @@
                                 },
                                 "default": {
                                     "ja": {
-                                        "textTransformations": {
+                                        "textPreprocessors": {
                                             "convertHalfWidthCharacters": "false",
                                             "convertNumericCharacters": "false",
                                             "convertAlphabeticCharacters": "false",
diff --git a/ext/js/background/backend.js b/ext/js/background/backend.js
index 588e360602..4bc9956b80 100644
--- a/ext/js/background/backend.js
+++ b/ext/js/background/backend.js
@@ -34,7 +34,7 @@ import {DictionaryDatabase} from '../dictionary/dictionary-database.js';
 import {Environment} from '../extension/environment.js';
 import {ObjectPropertyAccessor} from '../general/object-property-accessor.js';
 import {distributeFuriganaInflected, isCodePointJapanese, isStringPartiallyJapanese, convertKatakanaToHiragana as jpConvertKatakanaToHiragana} from '../language/ja/japanese.js';
-import {getLanguages, getTextTransformations} from '../language/language-util.js';
+import {getLanguages, getTextPreprocessors} from '../language/language-util.js';
 import {Translator} from '../language/translator.js';
 import {AudioDownloader} from '../media/audio-downloader.js';
 import {getFileExtensionFromAudioMediaType, getFileExtensionFromImageMediaType} from '../media/media-util.js';
@@ -186,7 +186,7 @@ export class Backend {
             ['findAnkiNotes',                this._onApiFindAnkiNotes.bind(this)],
             ['openCrossFramePort',           this._onApiOpenCrossFramePort.bind(this)],
             ['getLanguages',                 this._onApiGetLanguages.bind(this)],
-            ['getTextTransformations',       this._onApiGetTextTransformations.bind(this)]
+            ['getTextPreprocessors',         this._onApiGetTextPreprocessors.bind(this)]
         ]);
         /* eslint-enable no-multi-spaces */
 
@@ -915,9 +915,9 @@ export class Backend {
         return getLanguages();
     }
 
-    /** @type {import('api').ApiHandler<'getTextTransformations'>} */
-    _onApiGetTextTransformations({language}) {
-        return getTextTransformations(language);
+    /** @type {import('api').ApiHandler<'getTextPreprocessors'>} */
+    _onApiGetTextPreprocessors({language}) {
+        return getTextPreprocessors(language);
     }
 
     // Command handlers
@@ -2384,7 +2384,7 @@ export class Backend {
                 searchResolution
             }
         } = options;
-        const textTransformationsOptions = options.languages[language].textTransformations || {};
+        const textPreprocessorsOptions = options.languages[language].textPreprocessors || {};
         const textReplacements = this._getTranslatorTextReplacements(textReplacementsOptions);
         let excludeDictionaryDefinitions = null;
         if (mode === 'merge' && !enabledDictionaryMap.has(mainDictionary)) {
@@ -2410,7 +2410,7 @@ export class Backend {
             enabledDictionaryMap,
             excludeDictionaryDefinitions,
             language,
-            textTransformationsOptions
+            textPreprocessorsOptions
         };
     }
 
diff --git a/ext/js/comm/api.js b/ext/js/comm/api.js
index 369bbc3d87..5a962c7a61 100644
--- a/ext/js/comm/api.js
+++ b/ext/js/comm/api.js
@@ -369,11 +369,11 @@ export class API {
     }
 
     /**
-     * @param {import('api').ApiParam<'getTextTransformations', 'language'>} language
-     * @returns {Promise<import('api').ApiReturn<'getTextTransformations'>>}
+     * @param {import('api').ApiParam<'getTextPreprocessors', 'language'>} language
+     * @returns {Promise<import('api').ApiReturn<'getTextPreprocessors'>>}
      */
-    getTextTransformations(language) {
-        return this._invoke('getTextTransformations', {language});
+    getTextPreprocessors(language) {
+        return this._invoke('getTextPreprocessors', {language});
     }
 
     // Utilities
diff --git a/ext/js/data/options-util.js b/ext/js/data/options-util.js
index 5a45ba3215..8ffc1145cc 100644
--- a/ext/js/data/options-util.js
+++ b/ext/js/data/options-util.js
@@ -1135,11 +1135,11 @@ export class OptionsUtil {
 
     /**
      * - Added general.language.
-     * - Modularized text transformations.
+     * - Modularized text preprocessors.
      * @type {import('options-util').UpdateFunction}
      */
     _updateVersion25(options) {
-        const textTransformations = [
+        const textPreprocessors = [
             'convertHalfWidthCharacters',
             'convertNumericCharacters',
             'convertAlphabeticCharacters',
@@ -1153,13 +1153,13 @@ export class OptionsUtil {
 
             profileOptions.languages = {
                 ja: {
-                    textTransformations: {}
+                    textPreprocessors: {}
                 }
             };
 
-            for (const transformation of textTransformations) {
-                profileOptions.languages.ja.textTransformations[transformation] = profileOptions.translation[transformation];
-                delete profileOptions.translation[transformation];
+            for (const preprocessor of textPreprocessors) {
+                profileOptions.languages.ja.textPreprocessors[preprocessor] = profileOptions.translation[preprocessor];
+                delete profileOptions.translation[preprocessor];
             }
         }
     }
diff --git a/ext/js/language/en/text-transformations.js b/ext/js/language/en/text-preprocessors.js
similarity index 86%
rename from ext/js/language/en/text-transformations.js
rename to ext/js/language/en/text-preprocessors.js
index cb35c01368..1de0801a7b 100755
--- a/ext/js/language/en/text-transformations.js
+++ b/ext/js/language/en/text-preprocessors.js
@@ -15,9 +15,9 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import {capitalizeFirstLetter, decapitalize} from '../text-transformations.js';
+import {capitalizeFirstLetter, decapitalize} from '../text-preprocessors.js';
 
-export const textTransformations = [
+export const textPreprocessors = [
     decapitalize,
     capitalizeFirstLetter
 ];
\ No newline at end of file
diff --git a/ext/js/language/ja/text-transformations.js b/ext/js/language/ja/text-preprocessors.js
similarity index 86%
rename from ext/js/language/ja/text-transformations.js
rename to ext/js/language/ja/text-preprocessors.js
index efa62bdf71..9bdd7a988b 100755
--- a/ext/js/language/ja/text-transformations.js
+++ b/ext/js/language/ja/text-preprocessors.js
@@ -15,11 +15,11 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import {basicTextTransformationOptions} from '../text-transformations.js';
+import {basicTextPreprocessorOptions} from '../text-preprocessors.js';
 import {convertAlphabeticToKana} from './japanese-wanakana.js';
 import {collapseEmphaticSequences, convertHalfWidthKanaToFullWidth, convertHiraganaToKatakana, convertKatakanaToHiragana, convertNumericToFullWidth} from './japanese.js';
 
-/** @type {import('language').TextTransformation<boolean[]>}*/
+/** @type {import('language').TextPreprocessor<boolean[]>}*/
 const collapseEmphaticSequencesTransform = {
     id: 'collapseEmphaticSequences',
     name: 'Collapse emphatic character sequences',
@@ -38,41 +38,41 @@ const collapseEmphaticSequencesTransform = {
     }
 };
 
-/** @type {import('language').TextTransformation<any>[]} */
-export const textTransformations = [
+/** @type {import('language').TextPreprocessor<any>[]} */
+export const textPreprocessors = [
     {
         id: 'convertHalfWidthCharacters',
         name: 'Convert half width characters to full width',
         description: 'ﾖﾐﾁｬﾝ → ヨミチャン',
-        options: basicTextTransformationOptions,
+        options: basicTextPreprocessorOptions,
         transform: (str, setting, sourceMap) => setting ? convertHalfWidthKanaToFullWidth(str, sourceMap) : str
     },
     {
         id: 'convertNumericCharacters',
         name: 'Convert numeric characters to full width',
         description: '1234 → １２３４',
-        options: basicTextTransformationOptions,
+        options: basicTextPreprocessorOptions,
         transform: (str, setting) => setting ? convertNumericToFullWidth(str) : str
     },
     {
         id: 'convertAlphabeticCharacters',
         name: 'Convert alphabetic characters to hiragana',
         description: 'yomichan → よみちゃん',
-        options: basicTextTransformationOptions,
+        options: basicTextPreprocessorOptions,
         transform: (str, setting, sourceMap) => setting ? convertAlphabeticToKana(str, sourceMap) : str
     },
     {
         id: 'convertHiraganaToKatakana',
         name: 'Convert hiragana to katakana',
         description: 'よみちゃん → ヨミチャン',
-        options: basicTextTransformationOptions,
+        options: basicTextPreprocessorOptions,
         transform: (str, setting) => setting ? convertHiraganaToKatakana(str) : str
     },
     {
         id: 'convertKatakanaToHiragana',
         name: 'Convert katakana to hiragana',
         description: 'ヨミチャン → よみちゃん',
-        options: basicTextTransformationOptions,
+        options: basicTextPreprocessorOptions,
         transform: (str, setting) => setting ? convertKatakanaToHiragana(str) : str
     },
     collapseEmphaticSequencesTransform
diff --git a/ext/js/language/language-util.js b/ext/js/language/language-util.js
index 511ff949bd..d1bd66a694 100644
--- a/ext/js/language/language-util.js
+++ b/ext/js/language/language-util.js
@@ -24,10 +24,10 @@ export function getLanguages() {
 
 /**
  * @param {string} iso
- * @returns {import('language').TextTransformation[]}
+ * @returns {import('language').TextPreprocessor[]}
  */
-export function getTextTransformations(iso) {
-    return languages.get(iso)?.textTransformations || [];
+export function getTextPreprocessors(iso) {
+    return languages.get(iso)?.textPreprocessors || [];
 }
 
 
diff --git a/ext/js/language/languages.js b/ext/js/language/languages.js
index 397ecbeed7..999d7766ce 100755
--- a/ext/js/language/languages.js
+++ b/ext/js/language/languages.js
@@ -15,8 +15,8 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import {textTransformations as textTransformationsEN} from './en/text-transformations.js';
-import {textTransformations as textTransformationsJA} from './ja/text-transformations.js';
+import {textPreprocessors as textPreprocessorsEN} from './en/text-preprocessors.js';
+import {textPreprocessors as textPreprocessorsJA} from './ja/text-preprocessors.js';
 
 /** @type {Map<string, import('language').Language>} */
 export const languages = new Map([
@@ -25,14 +25,14 @@ export const languages = new Map([
         iso: 'ja',
         flag: '🇯🇵',
         exampleText: '読め',
-        textTransformations: textTransformationsJA
+        textPreprocessors: textPreprocessorsJA
     }],
     ['en', {
         name: 'English',
         iso: 'en',
         flag: '🇬🇧',
         exampleText: 'read',
-        textTransformations: textTransformationsEN
+        textPreprocessors: textPreprocessorsEN
     }]
 ]);
 
diff --git a/ext/js/language/text-transformations.js b/ext/js/language/text-preprocessors.js
similarity index 80%
rename from ext/js/language/text-transformations.js
rename to ext/js/language/text-preprocessors.js
index ed7778f156..daf43abdc2 100755
--- a/ext/js/language/text-transformations.js
+++ b/ext/js/language/text-preprocessors.js
@@ -15,28 +15,28 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-/** @type {import('language').TextTransformationOption<boolean>[]} */
-export const basicTextTransformationOptions = [
+/** @type {import('language').TextPreprocessorOption<boolean>[]} */
+export const basicTextPreprocessorOptions = [
     ['false', 'Disabled', [false]],
     ['true', 'Enabled', [true]],
     ['variant', 'Use both variants', [false, true]]
 ];
 
-/** @type {import('language').TextTransformation} */
+/** @type {import('language').TextPreprocessor} */
 export const decapitalize = {
     id: 'decapitalize',
     name: 'Decapitalize text',
     description: 'CAPITALIZED TEXT → capitalized text',
-    options: basicTextTransformationOptions,
+    options: basicTextPreprocessorOptions,
     transform: (str, setting) => setting ? str.toLowerCase() : str
 };
 
-/** @type {import('language').TextTransformation} */
+/** @type {import('language').TextPreprocessor} */
 export const capitalizeFirstLetter = {
     id: 'capitalizeFirstLetter',
     name: 'Capitalize first letter',
     description: 'lowercase text → Lowercase text',
-    options: basicTextTransformationOptions,
+    options: basicTextPreprocessorOptions,
     transform: (str, setting) => setting ? str.charAt(0).toUpperCase() + str.slice(1) : str
 };
 
diff --git a/ext/js/language/translator.js b/ext/js/language/translator.js
index 63e6b3d3ee..b965164667 100644
--- a/ext/js/language/translator.js
+++ b/ext/js/language/translator.js
@@ -20,7 +20,7 @@ import {applyTextReplacement} from '../general/regex-util.js';
 import {TextSourceMap} from '../general/text-source-map.js';
 import {isCodePointJapanese} from './ja/japanese.js';
 import {LanguageTransformer} from './language-transformer.js';
-import {getTextTransformations} from './language-util.js';
+import {getTextPreprocessors} from './language-util.js';
 /**
  * Class which finds term and kanji dictionary entries for text.
  */
@@ -414,7 +414,7 @@ export class Translator {
         }
     }
 
-    // Deinflections and text transformations
+    // Deinflections and text preprocessing
 
     /**
      * @param {string} text
@@ -422,16 +422,16 @@ export class Translator {
      * @returns {import('translation-internal').DatabaseDeinflection[]}
      */
     _getAlgorithmDeinflections(text, options) {
-        const textTransformations = this._getTextTransformations(options);
+        const textPreprocessors = this._getTextPreprocessors(options);
 
-        const textTransformationsVectorSpace = new Map();
-        for (const [id, transformation] of textTransformations) {
-            textTransformationsVectorSpace.set(id, this._getTextTransformationVariants(transformation));
+        const textPreprocessorsVectorSpace = new Map();
+        for (const [id, preprocessors] of textPreprocessors) {
+            textPreprocessorsVectorSpace.set(id, this._getTextPreprocessorVariants(preprocessors));
         }
 
         const variantVectorSpace = new Map([
             ['textReplacements', this._getTextReplacementsVariants(options)],
-            ...textTransformationsVectorSpace
+            ...textPreprocessorsVectorSpace
         ]);
 
         /** @type {import('translation-internal').DatabaseDeinflection[]} */
@@ -448,8 +448,8 @@ export class Translator {
                 text2 = this._applyTextReplacements(text2, sourceMap, textReplacements);
             }
 
-            for (const {transformation} of textTransformations.values()) {
-                const {id, transform} = transformation;
+            for (const {preprocessor} of textPreprocessors.values()) {
+                const {id, transform} = preprocessor;
                 const setting = arrayVariant.get(id);
                 text2 = transform(text2, setting, sourceMap);
             }
@@ -492,27 +492,27 @@ export class Translator {
 
     /**
      * @param {import('translation').FindTermsOptions} options
-     * @returns {Map<string, import('translation-internal').TextTransformation>}
+     * @returns {Map<string, import('translation-internal').TextPreprocessor>}
      */
-    _getTextTransformations(options) {
-        const {textTransformationsOptions, language} = options;
-        const textTransformationsData = getTextTransformations(language);
+    _getTextPreprocessors(options) {
+        const {textPreprocessorsOptions, language} = options;
+        const textPreprocessorsData = getTextPreprocessors(language);
 
-        /** @type {Map<string, import('translation-internal').TextTransformation>} */
-        const textTransformations = new Map();
+        /** @type {Map<string, import('translation-internal').TextPreprocessor>} */
+        const textPreprocessors = new Map();
 
-        for (const transformation of textTransformationsData) {
-            const {id} = transformation;
-            const value = textTransformationsOptions[id];
+        for (const preprocessor of textPreprocessorsData) {
+            const {id} = preprocessor;
+            const value = textPreprocessorsOptions[id];
             if (value) {
-                textTransformations.set(id, {
-                    transformation,
+                textPreprocessors.set(id, {
+                    preprocessor,
                     setting: value
                 });
             }
         }
 
-        return textTransformations;
+        return textPreprocessors;
     }
 
     /**
@@ -544,11 +544,11 @@ export class Translator {
     }
 
     /**
-     * @param {import('translation-internal').TextTransformation} transformation
+     * @param {import('translation-internal').TextPreprocessor} preprocessor
      * @returns {unknown[]}
      */
-    _getTextTransformationVariants(transformation) {
-        const {setting, transformation: {options}} = transformation;
+    _getTextPreprocessorVariants(preprocessor) {
+        const {setting, preprocessor: {options}} = preprocessor;
         for (const [optionValue, , optionSetting] of options) {
             if (optionValue === setting) {
                 return optionSetting;
diff --git a/ext/js/pages/settings/languages-controller.js b/ext/js/pages/settings/languages-controller.js
index d90095d831..befda65a15 100755
--- a/ext/js/pages/settings/languages-controller.js
+++ b/ext/js/pages/settings/languages-controller.js
@@ -63,7 +63,7 @@ export class LanguagesController {
                 value: {
                     ...options.languages,
                     [language]: {
-                        textTransformations: {}
+                        textPreprocessors: {}
                     }
                 }
             }]);
diff --git a/ext/js/pages/settings/settings-main.js b/ext/js/pages/settings/settings-main.js
index 232d90e2a7..5583ee232e 100644
--- a/ext/js/pages/settings/settings-main.js
+++ b/ext/js/pages/settings/settings-main.js
@@ -49,7 +49,7 @@ import {SettingsDisplayController} from './settings-display-controller.js';
 import {SortFrequencyDictionaryController} from './sort-frequency-dictionary-controller.js';
 import {StatusFooter} from './status-footer.js';
 import {StorageController} from './storage-controller.js';
-import {TextTransformationsController} from './text-transformations-controller.js';
+import {TextPreprocessorsController} from './text-preprocessors-controller.js';
 import {TranslationTextReplacementsController} from './translation-text-replacements-controller.js';
 
 /**
@@ -148,8 +148,8 @@ async function main() {
         const languagesController = new LanguagesController(settingsController);
         languagesController.prepare();
 
-        const textTransformationsController = new TextTransformationsController(settingsController);
-        textTransformationsController.prepare();
+        const textPreprocessorsController = new TextPreprocessorsController(settingsController);
+        textPreprocessorsController.prepare();
 
         const translationTextReplacementsController = new TranslationTextReplacementsController(settingsController);
         translationTextReplacementsController.prepare();
diff --git a/ext/js/pages/settings/text-transformations-controller.js b/ext/js/pages/settings/text-preprocessors-controller.js
similarity index 67%
rename from ext/js/pages/settings/text-transformations-controller.js
rename to ext/js/pages/settings/text-preprocessors-controller.js
index 011979f42e..6fda50625e 100755
--- a/ext/js/pages/settings/text-transformations-controller.js
+++ b/ext/js/pages/settings/text-preprocessors-controller.js
@@ -18,7 +18,7 @@
 
 import {querySelectorNotNull} from '../../dom/query-selector.js';
 
-export class TextTransformationsController {
+export class TextPreprocessorsController {
     /**
      * @param {import('./settings-controller.js').SettingsController} settingsController
      */
@@ -26,9 +26,9 @@ export class TextTransformationsController {
         /** @type {import('./settings-controller.js').SettingsController} */
         this._settingsController = settingsController;
         /** @type {HTMLSelectElement} */
-        this._container = querySelectorNotNull(document, '#text-transformations');
-        /** @type {import('language').TextTransformation[]}*/
-        this._transformations = [];
+        this._container = querySelectorNotNull(document, '#text-preprocessors');
+        /** @type {import('language').TextPreprocessor[]}*/
+        this._preprocessors = [];
         /** @type {string} */
         this._language = '';
     }
@@ -58,39 +58,39 @@ export class TextTransformationsController {
         this._language = options.general.language;
 
         this._clearSettingsItems();
-        this._transformations = await this._settingsController.application.api.getTextTransformations(this._language);
+        this._preprocessors = await this._settingsController.application.api.getTextPreprocessors(this._language);
         this._renderSettingsItems();
     }
 
     /** */
     _clearSettingsItems() {
-        const settingsItems = document.querySelectorAll('.text-transformation');
-        for (const transformation of settingsItems) {
-            transformation.remove();
+        const settingsItems = document.querySelectorAll('.text-preprocessor');
+        for (const preprocessor of settingsItems) {
+            preprocessor.remove();
         }
     }
 
     /** */
     _renderSettingsItems() {
-        for (const transformation of this._transformations) {
-            const settingsItem = this._createSettingsItem(transformation);
+        for (const preprocessor of this._preprocessors) {
+            const settingsItem = this._createSettingsItem(preprocessor);
             this._container.appendChild(settingsItem);
         }
     }
 
     /**
-     * @param {import('language').TextTransformation} transformation
+     * @param {import('language').TextPreprocessor} preprocessor
      * @returns {HTMLElement}
      */
-    _createSettingsItem(transformation) {
+    _createSettingsItem(preprocessor) {
         const settingsItem = document.createElement('div');
-        settingsItem.classList.add('settings-item', 'text-transformation');
+        settingsItem.classList.add('settings-item', 'text-preprocessor');
 
         const innerWrappableDiv = document.createElement('div');
         innerWrappableDiv.classList.add('settings-item-inner', 'settings-item-inner-wrappable');
 
-        innerWrappableDiv.appendChild(this._createLeftSide(transformation));
-        innerWrappableDiv.appendChild(this._createRightSide(transformation));
+        innerWrappableDiv.appendChild(this._createLeftSide(preprocessor));
+        innerWrappableDiv.appendChild(this._createRightSide(preprocessor));
 
         settingsItem.appendChild(innerWrappableDiv);
 
@@ -98,63 +98,63 @@ export class TextTransformationsController {
     }
 
     /**
-     * @param {import('language').TextTransformation} transformation
+     * @param {import('language').TextPreprocessor} preprocessor
      * @returns {HTMLElement}
      */
-    _createLeftSide(transformation) {
+    _createLeftSide(preprocessor) {
         const leftSide = document.createElement('div');
         leftSide.classList.add('settings-item-left');
 
-        leftSide.appendChild(this._createLabel(transformation));
-        leftSide.appendChild(this._createDescription(transformation));
+        leftSide.appendChild(this._createLabel(preprocessor));
+        leftSide.appendChild(this._createDescription(preprocessor));
 
         return leftSide;
     }
 
     /**
-     * @param {import('language').TextTransformation} transformation
+     * @param {import('language').TextPreprocessor} preprocessor
      * @returns {HTMLElement}
      */
-    _createLabel(transformation) {
+    _createLabel(preprocessor) {
         const label = document.createElement('div');
         label.classList.add('settings-item-label');
-        label.textContent = transformation.name;
+        label.textContent = preprocessor.name;
         return label;
     }
 
     /**
-     * @param {import('language').TextTransformation} transformation
+     * @param {import('language').TextPreprocessor} preprocessor
      * @returns {HTMLElement}
      */
-    _createDescription(transformation) {
+    _createDescription(preprocessor) {
         const description = document.createElement('div');
         description.classList.add('settings-item-description');
-        description.textContent = transformation.description;
+        description.textContent = preprocessor.description;
         return description;
     }
 
     /**
-     * @param {import('language').TextTransformation} transformation
+     * @param {import('language').TextPreprocessor} preprocessor
      * @returns {HTMLElement}
      */
-    _createRightSide(transformation) {
+    _createRightSide(preprocessor) {
         const rightSide = document.createElement('div');
         rightSide.classList.add('settings-item-right');
 
-        rightSide.appendChild(this._createSelect(transformation));
+        rightSide.appendChild(this._createSelect(preprocessor));
 
         return rightSide;
     }
 
     /**
-     * @param {import('language').TextTransformation} transformation
+     * @param {import('language').TextPreprocessor} preprocessor
      * @returns {HTMLSelectElement}
      */
-    _createSelect(transformation) {
+    _createSelect(preprocessor) {
         const select = document.createElement('select');
-        select.setAttribute('data-setting', `languages.${this._language}.textTransformations.${transformation.id}`);
+        select.setAttribute('data-setting', `languages.${this._language}.textPreprocessors.${preprocessor.id}`);
 
-        for (const [optionValue, optionLabel] of transformation.options) {
+        for (const [optionValue, optionLabel] of preprocessor.options) {
             const optionElement = document.createElement('option');
             optionElement.value = optionValue;
             optionElement.textContent = optionLabel;
diff --git a/ext/settings.html b/ext/settings.html
index 623909326f..4d2ec4f26c 100644
--- a/ext/settings.html
+++ b/ext/settings.html
@@ -222,7 +222,7 @@ <h1>Yomitan Settings</h1>
                 </div>
             </div>
             <div class="settings-item-right">
-                <select 
+                <select
                     id="language-select"
                     data-setting="general.language"
                 ></select>
@@ -1526,7 +1526,7 @@ <h1>Yomitan Settings</h1>
             </p>
         </div>
     </div>
-    <div class="settings-group" id="text-transformations">
+    <div class="settings-group" id="text-preprocessors">
         <div class="settings-item advanced-only"><div class="settings-item-inner settings-item-inner-wrappable">
             <div class="settings-item-left">
                 <div class="settings-item-label">Dictionary search resolution</div>
diff --git a/test/data/anki-note-builder-test-results.json b/test/data/anki-note-builder-test-results.json
index 733a8029ac..3fbaada289 100644
--- a/test/data/anki-note-builder-test-results.json
+++ b/test/data/anki-note-builder-test-results.json
@@ -3263,7 +3263,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertNumericCharacters",
+    "name": "Test text preprocessors - convertNumericCharacters",
     "results": [
       {
         "audio": "",
@@ -3303,7 +3303,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertAlphabeticCharacters",
+    "name": "Test text preprocessors - convertAlphabeticCharacters",
     "results": [
       {
         "audio": "",
@@ -3378,7 +3378,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertKatakanaToHiragana",
+    "name": "Test text preprocessors - convertKatakanaToHiragana",
     "results": [
       {
         "audio": "",
@@ -3453,7 +3453,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertHiraganaToKatakana",
+    "name": "Test text preprocessors - convertHiraganaToKatakana",
     "results": [
       {
         "audio": "",
@@ -3493,7 +3493,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertHalfWidthCharacters, convertKatakanaToHiragana",
+    "name": "Test text preprocessors - convertHalfWidthCharacters, convertKatakanaToHiragana",
     "results": [
       {
         "audio": "",
@@ -3568,7 +3568,7 @@
     ]
   },
   {
-    "name": "Test text transformations - collapseEmphaticSequences",
+    "name": "Test text preprocessors - collapseEmphaticSequences",
     "results": [
       {
         "audio": "",
@@ -3608,7 +3608,7 @@
     ]
   },
   {
-    "name": "Test text transformations - capitalizeFirstLetter",
+    "name": "Test text preprocessors - capitalizeFirstLetter",
     "results": [
       {
         "audio": "",
@@ -3648,7 +3648,7 @@
     ]
   },
   {
-    "name": "Test text transformations - decapitalize",
+    "name": "Test text preprocessors - decapitalize",
     "results": [
       {
         "audio": "",
diff --git a/test/data/translator-test-inputs.json b/test/data/translator-test-inputs.json
index 9160288719..abb0ee7b83 100644
--- a/test/data/translator-test-inputs.json
+++ b/test/data/translator-test-inputs.json
@@ -22,7 +22,7 @@
             "sortFrequencyDictionaryOrder": "descending",
             "removeNonJapaneseCharacters": true,
             "language": "ja",
-            "textTransformationsOptions": {
+            "textPreprocessorsOptions": {
                 "convertHalfWidthCharacters": "false",
                 "convertNumericCharacters": "false",
                 "convertAlphabeticCharacters": "false",
@@ -364,7 +364,7 @@
             "options": "default"
         },
         {
-            "name": "Test text transformations - convertNumericCharacters",
+            "name": "Test text preprocessors - convertNumericCharacters",
             "func": "findTerms",
             "mode": "split",
             "text": "39",
@@ -372,7 +372,7 @@
                 "default",
                 {
                     "type": "terms",
-                    "textTransformationsOptions": {
+                    "textPreprocessorsOptions": {
                         "convertNumericCharacters": "true"
                     },
                     "removeNonJapaneseCharacters": false
@@ -380,7 +380,7 @@
             ]
         },
         {
-            "name": "Test text transformations - convertAlphabeticCharacters",
+            "name": "Test text preprocessors - convertAlphabeticCharacters",
             "func": "findTerms",
             "mode": "split",
             "text": "utsu",
@@ -389,14 +389,14 @@
                 {
                     "type": "terms",
                     "removeNonJapaneseCharacters": false,
-                    "textTransformationsOptions": {
+                    "textPreprocessorsOptions": {
                         "convertAlphabeticCharacters": "true"
                     }
                 }
             ]
         },
         {
-            "name": "Test text transformations - convertKatakanaToHiragana",
+            "name": "Test text preprocessors - convertKatakanaToHiragana",
             "func": "findTerms",
             "mode": "split",
             "text": "ウツ",
@@ -404,14 +404,14 @@
                 "default",
                 {
                     "type": "terms",
-                    "textTransformationsOptions": {
+                    "textPreprocessorsOptions": {
                         "convertKatakanaToHiragana": "true"
                     }
                 }
             ]
         },
         {
-            "name": "Test text transformations - convertHiraganaToKatakana",
+            "name": "Test text preprocessors - convertHiraganaToKatakana",
             "func": "findTerms",
             "mode": "split",
             "text": "てきすと",
@@ -419,14 +419,14 @@
                 "default",
                 {
                     "type": "terms",
-                    "textTransformationsOptions": {
+                    "textPreprocessorsOptions": {
                         "convertHiraganaToKatakana": "true"
                     }
                 }
             ]
         },
         {
-            "name": "Test text transformations - convertHalfWidthCharacters, convertKatakanaToHiragana",
+            "name": "Test text preprocessors - convertHalfWidthCharacters, convertKatakanaToHiragana",
             "func": "findTerms",
             "mode": "split",
             "text": "ｳﾂ",
@@ -434,7 +434,7 @@
                 "default",
                 {
                     "type": "terms",
-                    "textTransformationsOptions": {
+                    "textPreprocessorsOptions": {
                         "convertHalfWidthCharacters": "true",
                         "convertKatakanaToHiragana": "true"
                     }
@@ -442,7 +442,7 @@
             ]
         },
         {
-            "name": "Test text transformations - collapseEmphaticSequences",
+            "name": "Test text preprocessors - collapseEmphaticSequences",
             "func": "findTerms",
             "mode": "split",
             "text": "すっっごーーい",
@@ -450,14 +450,14 @@
                 "default",
                 {
                     "type": "terms",
-                    "textTransformationsOptions": {
+                    "textPreprocessorsOptions": {
                         "collapseEmphaticSequences": "full"
                     }
                 }
             ]
         },
         {
-            "name": "Test text transformations - capitalizeFirstLetter",
+            "name": "Test text preprocessors - capitalizeFirstLetter",
             "func": "findTerms",
             "mode": "split",
             "text": "english",
@@ -467,14 +467,14 @@
                     "type": "terms",
                     "language": "en",
                     "removeNonJapaneseCharacters": false,
-                    "textTransformationsOptions": {
+                    "textPreprocessorsOptions": {
                         "capitalizeFirstLetter": "true"
                     }
                 }
             ]
         },
         {
-            "name": "Test text transformations - decapitalize",
+            "name": "Test text preprocessors - decapitalize",
             "func": "findTerms",
             "mode": "split",
             "text": "LANGUAGE",
@@ -484,7 +484,7 @@
                     "type": "terms",
                     "language": "en",
                     "removeNonJapaneseCharacters": false,
-                    "textTransformationsOptions": {
+                    "textPreprocessorsOptions": {
                         "decapitalize": "true"
                     }
                 }
diff --git a/test/data/translator-test-results-note-data1.json b/test/data/translator-test-results-note-data1.json
index 0ff57d3467..639a9d96dc 100644
--- a/test/data/translator-test-results-note-data1.json
+++ b/test/data/translator-test-results-note-data1.json
@@ -30028,7 +30028,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertNumericCharacters",
+    "name": "Test text preprocessors - convertNumericCharacters",
     "noteDataList": [
       {
         "marker": "{marker}",
@@ -30129,7 +30129,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertAlphabeticCharacters",
+    "name": "Test text preprocessors - convertAlphabeticCharacters",
     "noteDataList": [
       {
         "marker": "{marker}",
@@ -30760,7 +30760,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertKatakanaToHiragana",
+    "name": "Test text preprocessors - convertKatakanaToHiragana",
     "noteDataList": [
       {
         "marker": "{marker}",
@@ -31391,7 +31391,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertHiraganaToKatakana",
+    "name": "Test text preprocessors - convertHiraganaToKatakana",
     "noteDataList": [
       {
         "marker": "{marker}",
@@ -31543,7 +31543,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertHalfWidthCharacters, convertKatakanaToHiragana",
+    "name": "Test text preprocessors - convertHalfWidthCharacters, convertKatakanaToHiragana",
     "noteDataList": [
       {
         "marker": "{marker}",
@@ -32174,7 +32174,7 @@
     ]
   },
   {
-    "name": "Test text transformations - collapseEmphaticSequences",
+    "name": "Test text preprocessors - collapseEmphaticSequences",
     "noteDataList": [
       {
         "marker": "{marker}",
@@ -32295,7 +32295,7 @@
     ]
   },
   {
-    "name": "Test text transformations - capitalizeFirstLetter",
+    "name": "Test text preprocessors - capitalizeFirstLetter",
     "noteDataList": [
       {
         "marker": "{marker}",
@@ -32408,7 +32408,7 @@
     ]
   },
   {
-    "name": "Test text transformations - decapitalize",
+    "name": "Test text preprocessors - decapitalize",
     "noteDataList": [
       {
         "marker": "{marker}",
diff --git a/test/data/translator-test-results.json b/test/data/translator-test-results.json
index 4129ae1034..5f394c4e7c 100644
--- a/test/data/translator-test-results.json
+++ b/test/data/translator-test-results.json
@@ -16978,7 +16978,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertNumericCharacters",
+    "name": "Test text preprocessors - convertNumericCharacters",
     "originalTextLength": 2,
     "dictionaryEntries": [
       {
@@ -17043,7 +17043,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertAlphabeticCharacters",
+    "name": "Test text preprocessors - convertAlphabeticCharacters",
     "originalTextLength": 4,
     "dictionaryEntries": [
       {
@@ -17389,7 +17389,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertKatakanaToHiragana",
+    "name": "Test text preprocessors - convertKatakanaToHiragana",
     "originalTextLength": 2,
     "dictionaryEntries": [
       {
@@ -17735,7 +17735,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertHiraganaToKatakana",
+    "name": "Test text preprocessors - convertHiraganaToKatakana",
     "originalTextLength": 4,
     "dictionaryEntries": [
       {
@@ -17844,7 +17844,7 @@
     ]
   },
   {
-    "name": "Test text transformations - convertHalfWidthCharacters, convertKatakanaToHiragana",
+    "name": "Test text preprocessors - convertHalfWidthCharacters, convertKatakanaToHiragana",
     "originalTextLength": 2,
     "dictionaryEntries": [
       {
@@ -18190,7 +18190,7 @@
     ]
   },
   {
-    "name": "Test text transformations - collapseEmphaticSequences",
+    "name": "Test text preprocessors - collapseEmphaticSequences",
     "originalTextLength": 7,
     "dictionaryEntries": [
       {
@@ -18269,7 +18269,7 @@
     ]
   },
   {
-    "name": "Test text transformations - capitalizeFirstLetter",
+    "name": "Test text preprocessors - capitalizeFirstLetter",
     "originalTextLength": 7,
     "dictionaryEntries": [
       {
@@ -18350,7 +18350,7 @@
     ]
   },
   {
-    "name": "Test text transformations - decapitalize",
+    "name": "Test text preprocessors - decapitalize",
     "originalTextLength": 8,
     "dictionaryEntries": [
       {
diff --git a/test/options-util.test.js b/test/options-util.test.js
index b2f32f9415..5dcc37546d 100644
--- a/test/options-util.test.js
+++ b/test/options-util.test.js
@@ -414,7 +414,7 @@ function createProfileOptionsUpdatedTestData1() {
         },
         languages: {
             ja: {
-                textTransformations: {
+                textPreprocessors: {
                     convertHalfWidthCharacters: 'false',
                     convertNumericCharacters: 'false',
                     convertAlphabeticCharacters: 'false',
diff --git a/test/utilities/translator.js b/test/utilities/translator.js
index 8773ea34ca..7211a30df5 100644
--- a/test/utilities/translator.js
+++ b/test/utilities/translator.js
@@ -126,7 +126,7 @@ export function createFindTermsOptions(dictionaryName, optionsPresets, optionsAr
         excludeDictionaryDefinitions,
         searchResolution,
         language,
-        textTransformationsOptions
+        textPreprocessorsOptions
     } = preset;
 
     return {
@@ -140,7 +140,7 @@ export function createFindTermsOptions(dictionaryName, optionsPresets, optionsAr
         enabledDictionaryMap,
         excludeDictionaryDefinitions: Array.isArray(excludeDictionaryDefinitions) ? new Set(excludeDictionaryDefinitions) : null,
         searchResolution: typeof searchResolution !== 'undefined' ? searchResolution : 'letter',
-        textTransformationsOptions: typeof textTransformationsOptions !== 'undefined' ? textTransformationsOptions : {},
+        textPreprocessorsOptions: typeof textPreprocessorsOptions !== 'undefined' ? textPreprocessorsOptions : {},
         language: typeof language !== 'undefined' ? language : 'ja'
     };
 }
diff --git a/types/ext/api.d.ts b/types/ext/api.d.ts
index b8c53c7681..ed2d0321a9 100644
--- a/types/ext/api.d.ts
+++ b/types/ext/api.d.ts
@@ -385,11 +385,11 @@ type ApiSurface = {
         params: void;
         return: Language.Language[];
     };
-    getTextTransformations: {
+    getTextPreprocessors: {
         params: {
             language: string;
         };
-        return: Language.TextTransformation[];
+        return: Language.TextPreprocessor[];
     };
 };
 
diff --git a/types/ext/language.d.ts b/types/ext/language.d.ts
index 58f6e19069..79aed18d8d 100644
--- a/types/ext/language.d.ts
+++ b/types/ext/language.d.ts
@@ -17,17 +17,17 @@
 
 import {TextSourceMap} from '../../ext/js/general/text-source-map.js';
 
-export type TextTransformationOption<T = unknown> = [
+export type TextPreprocessorOption<T = unknown> = [
     value: string,
     label: string,
     option: T[],
 ];
 
-export type TextTransformation<T = unknown> = {
+export type TextPreprocessor<T = unknown> = {
     id: string;
     name: string;
     description: string;
-    options: TextTransformationOption<T>[];
+    options: TextPreprocessorOption<T>[];
     transform: (str: string, setting: T, sourceMap?: TextSourceMap) => string;
 };
 
@@ -36,7 +36,7 @@ export type Language = {
     iso: string;
     flag: string;
     exampleText: string;
-    textTransformations: TextTransformation[];
+    textPreprocessors: TextPreprocessor[];
 };
 
 export type LanguageMap = Map<string, Language>;
\ No newline at end of file
diff --git a/types/ext/settings.d.ts b/types/ext/settings.d.ts
index 3f38d40698..623f66b1d7 100644
--- a/types/ext/settings.d.ts
+++ b/types/ext/settings.d.ts
@@ -343,12 +343,12 @@ export type AccessibilityOptions = {
     forceGoogleDocsHtmlRendering: boolean;
 };
 
-export type TextTransformationsOptions = {
+export type TextPreprocessorsOptions = {
     [id: string]: string;
 };
 
 export type LanguageOptions = {
-    textTransformations?: TextTransformationsOptions;
+    textPreprocessors?: TextPreprocessorsOptions;
 };
 
 export type LanguageOptionsObjectMap = {
diff --git a/types/ext/translation-internal.d.ts b/types/ext/translation-internal.d.ts
index 13064b7d8b..971a44f35b 100644
--- a/types/ext/translation-internal.d.ts
+++ b/types/ext/translation-internal.d.ts
@@ -49,7 +49,7 @@ export type DatabaseDeinflection = {
     databaseEntries: DictionaryDatabase.TermEntry[];
 };
 
-export type TextTransformation = {
-    transformation: Language.TextTransformation;
+export type TextPreprocessor = {
+    preprocessor: Language.TextPreprocessor;
     setting: string;
 };
diff --git a/types/ext/translation.d.ts b/types/ext/translation.d.ts
index 150fe0ee9d..94ed8c7091 100644
--- a/types/ext/translation.d.ts
+++ b/types/ext/translation.d.ts
@@ -17,7 +17,7 @@
  */
 
 import type * as Dictionary from './dictionary';
-import type {SearchResolution, TextTransformationsOptions} from 'settings';
+import type {SearchResolution, TextPreprocessorsOptions} from 'settings';
 
 // Kanji
 
@@ -100,7 +100,7 @@ export type FindTermsOptions = {
     /**
      * Which variants of the search text should be looked up.
      */
-    textTransformationsOptions: TextTransformationsOptions;
+    textPreprocessorsOptions: TextPreprocessorsOptions;
     /**
      * ISO-639 code of the language.
      */
diff --git a/types/test/translator.d.ts b/types/test/translator.d.ts
index 901218d3cc..0ba234b4c4 100644
--- a/types/test/translator.d.ts
+++ b/types/test/translator.d.ts
@@ -16,7 +16,7 @@
  */
 
 import type {FindTermsMatchType, FindTermsSortOrder, FindKanjiDictionary, FindTermDictionary} from '../ext/translation';
-import type {SearchResolution, TextTransformationsOptions} from '../ext/settings';
+import type {SearchResolution, TextPreprocessorsOptions} from '../ext/settings';
 import type {FindTermsMode} from 'translator';
 import type {DictionaryEntry} from 'dictionary';
 import type {NoteData} from 'anki-templates';
@@ -49,7 +49,7 @@ export type FindTermsOptionsPreset = {
     excludeDictionaryDefinitions?: string[] | null;
     searchResolution?: SearchResolution;
     language?: string;
-    textTransformationsOptions?: TextTransformationsOptions;
+    textPreprocessorsOptions?: TextPreprocessorsOptions;
 };
 
 export type OptionsType = OptionsPreset['type'];