Ignore X-Frame-Options Header
Allows all sites to be loaded in iframes, despite X-Frame-Options header settings.
9.328 корисници
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.
8.806 корисници
axe DevTools® - Web Accessibility Testing
Add accessibility auditing to the Firefox Developer Tools
8.734 корисници
EditThisCookie2
EditThisCookie is a cookie manager. You can add, delete, edit, search, protect and block cookies!
8.621 корисник
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.
8.529 корисници
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.
8.510 корисници
WhatRuns
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
8.447 корисници
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
8.016 корисници
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.
7.934 корисници
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.
7.694 корисници
MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
7.620 корисници
ruler
Simple tool for measuring arbitrary parts of a page. Does not and will never contain adware.
7.555 корисници
All Downloader Professional
All Downloader Professional finds links, images, videos, documents on a website an make them downloadable.
7.533 корисници
WebScrapBook
Capture web pages to local device or backend server for future retrieval, organization, annotation, and edit.
7.375 корисници
CORS Unblock
No more CORS error by appending 'Access-Control-Allow-Origin: *' header to local and remote web requests when enabled
7.056 корисници
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+.
6.902 корисници
