Header Editor
Manage browser's requests, include modify the request headers and response headers, redirect requests, cancel requests
9.478 utents
Refined GitHub
Simplifies the GitHub interface and adds many useful features.
9.122 utents
Ignore X-Frame-Options Header
Allows all sites to be loaded in iframes, despite X-Frame-Options header settings.
8.505 utents
SQLite Manager
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
8.438 utents
EditThisCookie2
EditThisCookie is a cookie manager. You can add, delete, edit, search, protect and block cookies!
8.179 utents
HTTP Header Live
Displays the HTTP header. Edit it and send it.
8.000 utents
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.
7.978 utents
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.
7.885 utents
signTextJS plus
window.crypto.signText replacement plus enhancements
7.882 utents
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
7.853 utents
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
7.756 utents
polkadot{.js} extension
Manage your Polkadot accounts outside of dapps. Injects the accounts and allows signs transactions for a specific account.
7.580 utents
WebScrapBook
Capture web pages to local device or backend server for future retrieval, organization, annotation, and edit.
7.393 utents
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.
7.269 utents
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.
7.212 utents
Html Validator
HTML Validator is a Mozilla extension that adds HTML validation inside Firefox, Mozilla. The number of errors of a HTML page is seen on the form of an icon For Firefox 56, use 0.974 (see all versions below). For Firefox 57, see Web Extensions.
7.168 utents
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.
7.113 utents
ScriptCat
Everything can be scripted, allowing your browser to do more!
7.109 utents
CORS Unblock
No more CORS error by appending 'Access-Control-Allow-Origin: *' header to local and remote web requests when enabled
6.852 utents
Apollo Client Devtools
GraphQL debugging tools for Apollo Client.
6.818 utents
Postman Interceptor
Capture requests from any website within Firefox and send them to Postman App
6.745 utents
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.
6.725 utents
Cookie Remover
Removes cookies for the current site
6.719 utents
ruler
Simple tool for measuring arbitrary parts of a page. Does not and will never contain adware.
6.664 utents
IPvFoo
Display the server IP address, with a realtime summary of IPv4, IPv6, and HTTPS information across all page elements.
6.579 utents