diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..81d6847
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,7 @@
+TRACKING_ID=1234
+
+build: deps
+	TRACKING_ID=$(TRACKING_ID) yarn build
+
+deps: package.json
+	yarn install
diff --git a/background.js b/background.js
index 4d9c033..2619508 100644
--- a/background.js
+++ b/background.js
@@ -5,6 +5,8 @@ import Options from './lib/options'
 import trackEvent from './lib/tracking'
 import { localStorage } from './lib/storage'
 import { generateUrls, parseResponse } from './lib/apiClient.mjs'
+import { recordTranslation, getTranslationHistory } from './lib/history'
+import options from './lib/options'
 
 const blockTimeoutMs = 30000 * 60
 const browserAction = chrome[process.env.MANIFEST_V3 === 'true' ? 'action' : 'browserAction']
@@ -125,6 +127,10 @@ async function on_translation_response(data, word, tl, last_translation, isRever
   Object.assign(last_translation, translation)
   await localStorage.set('last_translation', last_translation)
 
+  if (await Options.store_translations()) {
+    recordTranslation(word, sl, tl, isReverseTranslate, data)
+  }
+
   console.log('response: ', translation)
   return translation
 }
@@ -148,7 +154,7 @@ async function detectLanguage(request) {
 async function contentScriptListener(request) {
   const except_urls = await Options.except_urls()
   const last_translation = await localStorage.get('last_translation') || {}
-
+  console.debug('contentScriptListener Invoked', request)
   switch (request.handler) {
   case 'get_last_tat_sl_tl':
     console.log('get_last_tat_sl_tl')
@@ -205,6 +211,22 @@ async function contentScriptListener(request) {
       await Options.disable_everywhere(0)
     }
     break
+  case 'exportTranslationHistory':
+    if (await options.store_translations()) {
+      let records = await getTranslationHistory()
+      let jsonRecords = JSON.stringify(records)
+      const blob = new Blob([jsonRecords], { type: 'application/json' })
+      const url = URL.createObjectURL(blob)
+
+      // Use the downloads API to save the file
+
+      browser.downloads.download({
+        url: url,
+        filename: 'translation_history.json',
+        saveAs: true // Prompts the user with the save dialog
+      })
+    }
+    break
   default:
     console.error('Unknown request', JSON.stringify(request, null, 2))
     return {}
diff --git a/contentscript.js b/contentscript.js
index 75b8fa4..bddcdf3 100644
--- a/contentscript.js
+++ b/contentscript.js
@@ -1,7 +1,6 @@
 import $ from 'jquery'
 import {
   renderError,
-  modifierKeys,
   escape_html,
   formatTranslation
 } from './lib/transover_utils'
@@ -18,6 +17,7 @@ if (process.env.MANIFEST_V3 === 'true') {
 let options
 let disable_on_this_page
 let disable_everywhere
+let store_translations
 
 function copyToClipboard(text) {
   const input = document.createElement('input')
@@ -174,9 +174,11 @@ async function loadOptions() {
 
   disable_on_this_page = ignoreThisPage(options)
   disable_everywhere = options.disable_everywhere
+  store_translations = options.store_translations
   chrome.runtime.sendMessage({
     handler: 'setIcon',
-    disabled: disable_on_this_page || disable_everywhere
+    disabled: disable_on_this_page || disable_everywhere,
+    store_translations: store_translations
   })
 }
 
@@ -200,7 +202,7 @@ function processEvent(e) {
       return res
     }
 
-    function getExactTextNode(nodes, e) {
+    function getExactTextNode(_, e) {
       $(text_nodes).wrap('<transblock />')
       let hit_text_node = document.elementFromPoint(e.clientX, e.clientY)
 
@@ -388,7 +390,7 @@ function processEvent(e) {
   }
 }
 
-function withOptionsSatisfied(e, do_stuff) {
+function withOptionsSatisfied(_, do_stuff) {
   if (!options) return
 
   //respect 'translate only when alt pressed' option
@@ -464,7 +466,7 @@ function speak({ text, lang }) {
   }
 
   $(document).keydown(e => {
-    if (e.keyCode === 27) {
+    if (e.key === 'Escape') {
       audio.pause()
       audio.removeAttribute('src')
       audio.load()
@@ -481,7 +483,7 @@ function speak({ text, lang }) {
 $(document).keydown(function(e) {
   if (!options) return
 
-  if (modifierKeys[e.keyCode] == options.popup_show_trigger) {
+  if (e.key == options.popup_show_trigger) {
     show_popup_key_pressed = true
 
     const selection = window.getSelection().toString()
@@ -505,7 +507,7 @@ $(document).keydown(function(e) {
   }
 
   // text-to-speech on ctrl press
-  if (!e.originalEvent.repeat && modifierKeys[e.keyCode] == options.tts_key && options.tts && $('transover-popup').length > 0) {
+  if (!e.originalEvent.repeat && e.key == options.tts_key && options.tts && $('transover-popup').length > 0) {
     chrome.runtime.sendMessage({
       handler: 'trackEvent',
       event: {
@@ -538,11 +540,11 @@ $(document).keydown(function(e) {
   }
 
   // Hide tat popup on escape
-  if (e.keyCode == 27) {
+  if (e.key == 'Escape') {
     removePopup('transover-type-and-translate-popup')
   }
 }).keyup(function(e) {
-  if (options && modifierKeys[e.keyCode] == options.popup_show_trigger) {
+  if (options && e.key == options.popup_show_trigger) {
     show_popup_key_pressed = false
   }
 })
@@ -666,6 +668,12 @@ window.addEventListener('message', function(e) {
   if (e.source != window)
     return
 
+  if (e.data.type == 'exportTranslationHistory') {
+    chrome.runtime.sendMessage({
+      handler: 'exportTranslationHistory'
+    })
+  }
+
   if (e.data.type == 'transoverTranslate') {
     chrome.runtime.sendMessage({handler: 'translate', word: e.data.text, sl: e.data.sl, tl: e.data.tl}, function(response) {
       debug('tat response: ', response)
diff --git a/lib/history.js b/lib/history.js
new file mode 100644
index 0000000..0f16c7c
--- /dev/null
+++ b/lib/history.js
@@ -0,0 +1,42 @@
+/* eslint-disable no-console */
+import Dexie from 'dexie'
+
+const db = new Dexie('transover_db')
+
+db.version(1).stores({
+  translations: '++id,word,source_language,target_language,reverse_translation,is_sentence,gt_resp,created_at'
+})
+
+function hasWhiteSpace(s) {
+  return /\s/g.test(s)
+}
+
+function isSentence(word) {
+  if (hasWhiteSpace(word) || word.length > 20) {
+    return true
+  }
+  return false
+}
+
+export async function recordTranslation(word, sl, tl, isReverseTranslate, gtResponse) {
+  console.debug('recordTranslation:', arguments)
+  let id = await db.translations.add({
+    word: word,
+    source_language: sl,
+    target_language: tl,
+    reverse_translation: isReverseTranslate,
+    is_sentence: isSentence(word),
+    gt_resp: gtResponse,
+    created_at: new Date().toISOString()
+  })
+
+  return id
+}
+
+export async function getTranslations() {
+}
+
+
+export async function getTranslationHistory() {
+  return await db.translations.toArray()
+}
diff --git a/lib/options.js b/lib/options.js
index 107244b..ad98f87 100644
--- a/lib/options.js
+++ b/lib/options.js
@@ -125,4 +125,10 @@ export default {
     }
     return parseInt( await localStorage.get('disable_everywhere') ) || 0
   },
+  store_translations: async function (arg) {
+    if (arg != undefined) {
+      return await localStorage.set('store_translations', arg)
+    }
+    return parseInt(await localStorage.get('store_translations')) || 1
+  },
 }
diff --git a/lib/options_script.js b/lib/options_script.js
index 0db71c5..6d308e3 100644
--- a/lib/options_script.js
+++ b/lib/options_script.js
@@ -43,6 +43,7 @@ async function save_options() {
   await Options.do_not_show_oops($('#do_not_show_oops:checked').val() ? 1 : 0)
   await Options.popup_show_trigger($('#word_key_only_key').val())
   await Options.show_from_lang($('#show_from_lang:checked').val() ? 1 : 0)
+  await Options.store_translations($('#record:checked').val() ? 1 : 0)
 
   $('.flash').fadeIn().delay(3000).fadeOut()
 }
@@ -154,7 +155,7 @@ async function fill_reverse_lang() {
 async function populate_popup_show_trigger() {
   const saved_popup_show_trigger = await Options.popup_show_trigger()
 
-  ;[...new Set(Object.values(modifierKeys))].forEach(function(key) {
+  modifierKeys.forEach(function(key) {
     $('#word_key_only_key, #selection_key_only_key').each(function() {
       $(this).append($('<option>', {value: key}).text(key).prop('selected', saved_popup_show_trigger == key))
     })
@@ -223,7 +224,7 @@ async function load() {
   $('#fontSize').val(await Options.fontSize())
 
   $('#tts').attr('checked', await Options.tts() ? true : false)
-  ;[...new Set(Object.values(modifierKeys))].forEach(async function(key) {
+  modifierKeys.forEach(async function(key) {
     $('#tts_key').append($('<option>', {value: key}).text(key).prop('selected', await Options.tts_key() == key))
   })
 
@@ -232,7 +233,7 @@ async function load() {
 
   $('#save_button').click(function() { save_options() })
   $(document).on('keydown', function(e) {
-    if (e.keyCode == 13) {
+    if (e.key === 'Enter') {
       save_options()
     }
   })
diff --git a/lib/tat_popup.html b/lib/tat_popup.html
index 62223e4..8586a24 100644
--- a/lib/tat_popup.html
+++ b/lib/tat_popup.html
@@ -112,6 +112,7 @@
       <div id="disable_on_this_page_container">
         <label><input id="disable_on_this_page" type="checkbox"/>Disable on this site</label>
         <label><input id="disable_everywhere" type="checkbox"/>Disable everywhere</label>
+        <label><button id="tat_history_export" >Export Translation History</button></label>
       </div>
       <a href="#" id="tat_close"></a>
     </div>
diff --git a/lib/tat_popup.js b/lib/tat_popup.js
index 25f129f..8de87e3 100644
--- a/lib/tat_popup.js
+++ b/lib/tat_popup.js
@@ -50,6 +50,11 @@ class TatPopupTransover extends HTMLElement {
       }
     }
 
+    this.q('#tat_history_export').onclick = (e) => {
+      window.postMessage({type: 'exportTranslationHistory'}, '*')
+      e.preventDefault()
+    }
+
     this.q('main').onkeydown = (e) => {
       if (e.keyCode == 13) {
         sendTranslate()
diff --git a/lib/transover_utils.js b/lib/transover_utils.js
index f703618..edf0464 100644
--- a/lib/transover_utils.js
+++ b/lib/transover_utils.js
@@ -1,8 +1,13 @@
 import { languages } from './languages'
 
-export const modifierKeys = {
-  16: 'shift', 17: 'ctrl', 18: 'alt', 224: 'meta', 91: 'command', 93: 'command', 13: 'Return'
-}
+export const modifierKeys = new Set([
+  'Alt',
+  'Control',
+  'Enter',
+  'Escape',
+  'Meta',
+  'Shift'])
+
 
 export function renderError (message) {
   return `
diff --git a/manifest_v2.json b/manifest_v2.json
index fcd85bd..ce10e08 100644
--- a/manifest_v2.json
+++ b/manifest_v2.json
@@ -29,6 +29,7 @@
   },
   "permissions": [
     "storage",
+    "downloads",
     "https://translate.googleapis.com/*",
     "https://clients5.google.com/*",
     "https://www.google-analytics.com/*"
diff --git a/manifest_v3.json b/manifest_v3.json
index e756101..35d1b84 100644
--- a/manifest_v3.json
+++ b/manifest_v3.json
@@ -26,7 +26,8 @@
     }
   },
   "permissions": [
-    "storage"
+    "storage",
+    "downloads"
   ],
   "host_permissions": [
     "https://translate.googleapis.com/*",
diff --git a/options.html b/options.html
index dc250c8..5b7f72f 100644
--- a/options.html
+++ b/options.html
@@ -138,12 +138,17 @@ <h1>Configuration</h1>
         </div>
 
         <div class="option">
-          <input type="checkbox" id="tts" name="tts"/>
-          <label for="tts">Enable Text-To-Speech</label>
-          <label for="tts_key">when I press
-            <select name="tts_key" id="tts_key"></select>
-            while popup is showing
-          </label>
+            <input type="checkbox" id="record" name="record"/>
+            <label for="record">Record/Store Translated Words for Export</label>
+        </div>
+
+        <div class="option">
+            <input type="checkbox" id="tts" name="tts"/>
+            <label for="tts">Enable Text-To-Speech</label>
+            <label for="tts_key">when I press
+                <select name="tts_key" id="tts_key"></select>
+                while popup is showing
+            </label>
         </div>
 
         <div class="option">
@@ -162,7 +167,7 @@ <h1>Configuration</h1>
         <div class="option">
           <input type="checkbox" id="selection_key_only" name="selection_key_only"/>
           <label for="selection_key_only">Only show selection translation when</label>
-          <label for="selection_key_only_key"> I hold the 
+          <label for="selection_key_only_key"> I hold the
             <select name="selection_key_only_key" id="selection_key_only_key"></select>
             key</label>
         </div>
diff --git a/package.json b/package.json
index 5f3d201..5fe261c 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
   },
   "dependencies": {
     "date-fns": "^2.29.3",
+    "dexie": "^4.0.9",
     "jquery": "^3.6.3"
   }
 }