Created
February 6, 2026 12:11
-
-
Save victor141516/25391f8152f0b4ecd9a4d0e3f1362a26 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Download Chrome extension files (CRX)</title> | |
| </head> | |
| <body> | |
| <h1>Download Chrome extension files (CRX)</h1> | |
| <form> | |
| <input type="text" name="extension" placeholder="Chrome extension ID or URL"> | |
| <button>Download</button> | |
| </form> | |
| </body> | |
| <script> | |
| ; (() => { | |
| const EXTENSION_REGEX = /[a-p]{32}/ | |
| const buildDownloadUrl = (extensionId) => `https://clients2.google.com/service/update2/crx?response=redirect&os=linux&arch=x64&os_arch=x86_64&nacl_arch=x86-64&prod=chromium&prodchannel=unknown&prodversion=91.0.4442.4&lang=en-US&acceptformat=crx2,crx3&x=id%3D${extensionId}%26installsource%3Dondemand%26uc` | |
| const $form = document.querySelector('form') | |
| $form.addEventListener('submit', (e) => { | |
| e.preventDefault() | |
| const formData = new FormData($form) | |
| const entries = formData.entries(); | |
| const data = Object.fromEntries(entries); | |
| const result = EXTENSION_REGEX.exec(data.extension) | |
| if (result === null || typeof result[0] !== 'string') { | |
| alert("That's not a valid Chrome extension ID/URL") | |
| return | |
| } | |
| const [extensionId] = result | |
| window.open(buildDownloadUrl(extensionId), '_open') | |
| }) | |
| })() | |
| </script> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment