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.
6 459 utilisateurs
Draw on Page
Easily draw on any website with simple drawing tools, then print the result.
6 398 utilisateurs
Ultra Volume Booster
Boost audio volume up to 1000% with a sleek dark glassmorphism UI
6 302 utilisateurs
Night Eye - Dark mode sur n'importe quel site web
Night Eye active le mode nuit sur tout site Web en utilisant un nouvel algorithme qui analyse et convertit toutes les couleurs au lieu de les inverser.
6 253 utilisateurs
polkadot{.js} extension
Manage your Polkadot accounts outside of dapps. Injects the accounts and allows signs transactions for a specific account.
6 216 utilisateurs
SmartProxy
SmartProxy is a smart automatic proxy switcher that will automatically enable/disable proxy for the sites you visit, based on customizable rules.
6 208 utilisateurs
HeadingsMap
The extension generates a document-map or index of any web document structured with headings and/or with sections in HTML 5. It shows the headings structure, the errors in the structure (ie. incorrect levels), and it works as HTML5 Outliner too.
6 177 utilisateurs
MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
6 093 utilisateurs
Color Picker For Firefox
HEX Color Picker, RGB Color Picker, Color Picker EyeDropper, Pick color from web page (Color Picker For Firefox)
6 091 utilisateurs
Always active Window (Always Visible)
Pretend that all browser windows are active by spoofing the visibility state event
6 047 utilisateurs
ruler
Simple tool for measuring arbitrary parts of a page. Does not and will never contain adware.
6 018 utilisateurs
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+.
5 958 utilisateurs
Ui.Vision
Open-source Ui.Vision is RPA software for task & test automation. It is 3 tools in 1: Visual BROWSER automation with Selenium IDE import/export, 2: Visual DESKTOP automation and 3: (optional) Prompting with integrated Anthropic Claude Computer Use
5 817 utilisateurs
simple-modify-headers
L'extension permet de modifier le header des requêtes ou réponses HTTP(S). Il est possible d'ajouter, modifier ou supprimer des champs headers sur la base d'un pattern d'URL. Il est possible d'importer/exporter la configuration.
5 782 utilisateurs
FoxyProxy Basic
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
5 714 utilisateurs
Live Server Web Extension
Live Reload feature for Dynamic content (PHP, Node.js, ASPNET - Whatever, it doesn't matter). This extension is for Live Server - VSCode Extension (required v3.0.0+).
5 622 utilisateurs
All Downloader Professional
All Downloader Professional finds links, images, videos, documents on a website an make them downloadable.
5 474 utilisateurs
Google Analytics Opt-out
Prevents the Google Analytics and Tag Manager's JavaScript APIs from collecting data and recording the user
5 211 utilisateurs
Full Screen for Firefox
Go full screen with one click on the full screen button. That includes also the full screen movies such as YouTube, Vimeo, etc.
5 195 utilisateurs
Native MPEG-Dash + HLS Playback
Allow the browser to play HLS (m3u8) or MPEG-Dash (mpd) video urls 'natively'. This is a fork of Native HLS with additional features. Click on any m3u8 or mpd link inside Firefox to play it directly in a new tab
5 142 utilisateurs
Force Copy
Force Copy professionally circumvents limitations pertaining to Web Copying, Keyboard Usage, and Right-click Functionalities, facilitating an unhindered browsing experience. Open Source Project: https://github.com/WindrunnerMax/TKScript.
5 066 utilisateurs
WebRTC Control
Have control over WebRTC (disable or enable) and protect your IP address.
4 943 utilisateurs
