To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!Close
Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
- Any Firefox
- Firefox 44.0
- Firefox 43.0
- Firefox 42.0
- Firefox 41.0
- Firefox 40.0
- Firefox 39.0
- Firefox 30.0
- Firefox 26.0
- Firefox 20.0
436 matching results
Search Results for tag "jetpack"
Speed Tweaks (SpeedyFox) No Restart
This extension provides a list to almost all the settings that you may need to alter in order to enhance Firefox's speed.
Textise No Restart
Creates a text-only version of almost any web page. Great for accessibility, SEO and printing.
Pick That Color No Restart
A simple lightweight addon for selecting any color from web pages. It copies the Hex color code of any pixel that is displayed in your browser to clipboard. Just click the color wheel button near your address bar or press 'Ctrl+Shift+z'.
JSON-formatter No Restart
Click addon's icon to quick format JSON document with tabs and new lines.
User-Agent Switcher No Restart
Quickly and easily switch between popular user-agent strings.
Octotree No Restart
Add-on to display GitHub code in tree format
Random Agent Spoofer No Restart
Rotates complete browser profiles ( from real browsers / devices ) at a user defined time interval. It includes many extra privacy enhancing options
Toggle Mixed Active Content No Restart
An icon that toggles the preference of blocking mixed active content.
Preference Name: security.mixed_content.block_active_content
HTTP Tool No Restart
Submit http requests with varying headers, bodies etc
Disable Plugin & Mimetype Enumeration No Restart
Prevent sites from grabbing a list of your plugins & mime types.
Scrum for Trello No Restart
Scrum for Trello adds functionality to the awesome trello.com for use in Scrum projects.
Add estimates or record time-spent directly on Trello cards. Shows sums at the top of each list and the top right corner of each board.
Clear File Cache No Restart
Clear file cache easy and quickly from Tools Menu
Custom User-Agent String No Restart
Set custom User-Agent string. Also available for Firefox on Android.
Measurer No Restart
Measurer allows to measure dimensions of the objects on html page. Press down shift for multiple measurements.
Emoji Cheatsheet No Restart
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.
Page Ruler No Restart
A lightweight ruler to measure web page elements.
easy Xdebug (with moveable icon) No Restart
set debug cookies (eg $cookie[XDEBUG_SESSION]='netbeans-xdebug') on your localhost, to enable remote debugging in eclipse/netbeans.
redo of 'easy Xdebug'
+moveable icons (eg. to bookmarkbar)
+refreshes the icons on tab change
Free Visio Viewer (Mac, Windows, Linux) No Restart
Open your Microsoft Visio files for free
cliget No Restart
Download files using curl or wget. This addon generates curl/wget commands that emulate the request as though it's coming from your browser allowing you to download protected files directly to a separate machine (e.g. server).
app.telemetry Page Speed Monitor No Restart
Get the page load times of any web page! app.telemetry Page Speed Monitor shows offset and duration of each step during the page load based on W3C navigation timing.