Device Features & Location
Easily override the browser's User-Agent string
Easily explore and debug any WebGL context.
Track the time you spend surfing on the web.
Creates and show QR-code from page URL, selected or custom texts.
Completely offlline, UTF-8 support.
QR-code can be saved to SVG or HTML.
Variable size, colors, correction level.
Some predefined templates available (WiFi, MECARD, etc)
This extension detects if a website registers a Service Worker by reading the navigator.serviceWorker.controller property. It also parses the Web App Manifest.
Allows to take a screenshot
Allows the user to schedule downloads to run during their preferred time window.
Downloads are paused when outside of the user's preferred download window and resumed when the window is reached, allowing users to manage when downloads occur.
Extension Click2Call pour votre ligne VOIP OVH!
This extension will search Ask.com for a selected phrase or quickly bring up the homepage via the context menu.
This extension is Open Source and available at:
An elegant in-page login manager similar to Opera's Wand login (Android and e10s Friendly). For Firefox > 51, try my WebExtension implementation: https://addons.mozilla.org/en-US/firefox/addon/secure-login-webextension/
Displays country flag of website's server location, Whois and Geo info on a browser addressbar icon
Share access to websites without giving away your username and password. Share access with an Access URL instead.
SYSTRAN Extension can translate any webpage in one click.
Puts the hostname of the tab in the title.
Enadoc provides an advanced keyword-based search functionality through this extension
This Firefox extension enables screen sharing for the WyzAnt online tutoring platform.
This extension provides a list to almost all the settings that you may need to alter in order to enhance Firefox's speed.