diff --git a/index.js b/index.js
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--- /dev/null
+++ b/index.js
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+function getImageChilds(parent, options) {
+    console.log(options)
+    for (let child in parent.children) {
+      if (
+        parent.children[child].children &&
+        parent.children[child].children.length > 0
+      ) {
+        getImageChilds(parent.children[child], options);
+      }
+
+      if (parent.children[child].type === "image") {
+        const data = (parent.children[child].data = {});
+
+        const props = (data.hProperties = {});
+        props.width = options.width ? options.width : "100%";
+      }
+    }
+  }
+
+  function imageSize(options={}) {
+    return (node) => {
+      for (let child in node.children) {
+        getImageChilds(node.children[child], options);
+      }
+    };
+  }
+
+  module.exports = imageSize
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diff --git a/package.json b/package.json
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+++ b/package.json
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+{
+  "name": "fs-imagesize",
+  "version": "0.1.0",
+  "description": "Set images size with react-markdown",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "react-markdown",
+    "remark"
+  ],
+  "author": "Florian Heuberger",
+  "license": "MIT"
+}
diff --git a/readme.md b/readme.md
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+++ b/readme.md
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+# react-markdown plugin to set images size.
+### A simple to use plugin to set `images` width property.
+Basically, `images` are displayed in their full size when you use [react-markdown](https://github.com/remarkjs/react-markdown). This can cause them to overlap their parent element or to be displayed too small.
+With this plugin the `width` property can be set very easily.
+## Install
+```
+npm install fs-imagesize
+```
+## Simple to use
+```js
+import React from "react";
+import ReactMarkdown from "react-markdown";
+import imageSize from "fs-imagesize";
+
+function MyComponent(props) {
+    return (
+        <React.Fragment>
+            <ReactMarkdown plugins={[[imageSize, {width: "230px"}]]}>![Image](https://anyImageUrl.png)</ReactMarkdown>
+        </React.Fragment>)
+}
+```
+The `width` property can be set to any pixel/percent size. If it not set the default value is **100%**.
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