Autofill
A form filler, form recovery, text snippets, and automation tool all in one.
18 992 felhasználó
WAVE Accessibility Extension
Evaluate web accessibility within the Firefox browser. When activated, the WAVE extension injects icons and indicators into your page to give feedback about accessibility and to facilitate manual evaluation.
18 929 felhasználó
Colorpick Eyedropper
A simple eye-dropper & color-picker tool allowing you to select color values from webpages. You will need to enable the add-on bar Firefox menu->Options->Add-on Bar OR View->Toolbars->Add-on Bar Then refresh the page.
17 626 felhasználó
polkadot{.js} extension
Manage your Polkadot accounts outside of dapps. Injects the accounts and allows signs transactions for a specific account.
16 920 felhasználó
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
16 892 felhasználó
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.
16 569 felhasználó
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
16 405 felhasználó
ModHeader
Add and modify the HTTP request headers and response headers. Use ModHeader to: - Add / modify request and response headers - Add / modify cookies - Multi-profile support - Filtering based on URL, tab, or window - Export and share profiles
16 151 felhasználó
Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
15 763 felhasználó
IP Address and Domain Information
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
14 460 felhasználó
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
13 996 felhasználó
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.
13 158 felhasználó
cookies.txt
Exports all cookies to a Netscape HTTP Cookie File, as used by curl, wget, and youtube-dl, among others.
13 075 felhasználó
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
12 326 felhasználó
SQLite Manager
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
12 065 felhasználó
WhatRuns
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
11 527 felhasználó
javascript
add javascript that will run on this domain. back up your scripts in the options area (shortcut there by clicking the "JS" letters in the bottom right)
11 272 felhasználó
Modify Header Value
Add, modify or remove a header for any request on desired domains.
11 093 felhasználó
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.
10 999 felhasználó
