Ignore X-Frame-Options Header
Allows all sites to be loaded in iframes, despite X-Frame-Options header settings.
9,453 个用户
axe DevTools® - Web Accessibility Testing
Add accessibility auditing to the Firefox Developer Tools
8,970 个用户
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.
8,874 个用户
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.
8,698 个用户
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.
8,666 个用户
WhatRuns
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
8,576 个用户
HackBar
A HackBar for new firefox (Firefox Quantum). This addon is written in webextension and alternatives to the XUL version of original Hackbar. Press F12 to use HackBar
8,420 个用户
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.
7,956 个用户
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.
7,746 个用户
ruler
Simple tool for measuring arbitrary parts of a page. Does not and will never contain adware.
7,720 个用户
All Downloader Professional
All Downloader Professional finds links, images, videos, documents on a website an make them downloadable.
7,538 个用户
MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
7,326 个用户
CORS Unblock
No more CORS error by appending 'Access-Control-Allow-Origin: *' header to local and remote web requests when enabled
7,162 个用户
JavaScript Switcher
A lightweight addon that adds a Toggle button in URL bar, for toggling JavaScript (on or off) individually per domain, and stores that for future visit. Works also with Firefox 57+.
6,951 个用户
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
6,918 个用户
