Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
9,680 users
Refined GitHub
Simplifies the GitHub interface and adds many useful features.
9,643 users
Get cookies.txt LOCALLY
Get cookies.txt, NEVER send information outside with open-source
8,819 users
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
8,488 users
Ignore X-Frame-Options Header
Allows all sites to be loaded in iframes, despite X-Frame-Options header settings.
8,264 users
Odoo Debug
Toggle debug mode of an Odoo webpage. - Click for debug. - Double click for debug with Assets. - Use ctrl + . for keyboard shortcut Source code: https://github.com/pga-odoo/OdooDebug Emoji art supplied by Emojione
8,224 users
EditThisCookie2
EditThisCookie is a cookie manager. You can add, delete, edit, search, protect and block cookies!
7,967 users
SQLite Manager
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
7,820 users
PoE Overlay II Sync
Sync your Path of Exile 2 session with PoE Overlay II
7,336 users
HTTP Header Live
Displays the HTTP header. Edit it and send it.
7,283 users
BuiltWith
BuiltWith is a web site profiler tool. Upon looking up a page, BuiltWith returns a list all the technologies in use on that page that it can find.
7,228 users
Emoji Cheatsheet
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook. Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
7,183 users
IPvFoo
Display the server IP address, with a realtime summary of IPv4, IPv6, and HTTPS information across all page elements.
7,164 users
Detailed SEO Extension
Get SEO insights at the click of a button to any website you're currently on. Built by full-time SEO's for daily analysis.
7,154 users
WebScrapBook
Capture web pages to local device or backend server for future retrieval, organization, annotation, and edit.
7,058 users
Form History Control
Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller. Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.
7,031 users
signTextJS plus
window.crypto.signText replacement plus enhancements
6,998 users
Postman Interceptor
Capture requests from any website within Firefox and send them to Postman App
6,814 users
Zoom for Firefox
Zoom in or out on web content using the zoom button and mouse scroll wheel for more comfortable reading. That to each percent value. It helps you to zoom easily in and out a web page. Thanks to the slider and the zoom buttons.
6,794 users
Cookie Remover
Removes cookies for the current site
6,744 users
CORS Unblock
No more CORS error by appending 'Access-Control-Allow-Origin: *' header to local and remote web requests when enabled
6,692 users
Emoji Keyboard - Emojis For Firefox
A free extension of the web tool https://coolsymbol.com/emojis/emoji-for-copy-and-paste.html. It helps input emoji in the web browser with an extensive search functionality.
6,647 users
HackBar V2
[No License, FOREVER FREE] HackBar for new firefox Rework of it using vue.js and maniferst V3.
6,600 users
Apollo Client Devtools
GraphQL debugging tools for Apollo Client.
6,554 users
Page Saver WE screenshot capture tool
Quickly and easily capture an image of a web page. Options allow you to control output format (PNG or JPEG), file name and more.
6,499 users