Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
A Selenium-IDE Formatter for Xebium, the Selenium fixture for FitNesse.
Config Descriptions No Restart
Shows source comments for advanced application preferences in about:config
Custom User-Agent String No Restart
Set custom User-Agent string. Also available for Firefox on Android.
View and Edit source of HTML element...
Logging support for web developers (PHP, Python, ColdFusion)
Lets you load pages in IE with a single right-click, or mark certain sites to *always* load in IE.
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).
Yandex Wordstat Helper No Restart
Расширение, позволяющее значительно ускорить сбор слов с помощью сервиса wordstat.yandex.ru.
HTTP Tool No Restart
Submit http requests with varying headers, bodies etc
With this extension you can quickly paste any type of text to the website http://pastebin.com
KGen (Keyword Generator) allows you to see what keywords are strong on visited web pages for search engines.
Page Ruler No Restart
A lightweight ruler to measure web page elements.
Checks for compliance with the contrast levels, brightness and shine in the color combination of foreground and background of textual content based on the requirements of WCAG 1 and WCAG 2.
A Wiki Formatter for Selenium IDE
Check and editing the image maps inside the web page with magnifying glass.
Colorific. No Restart
Colorize entire web pages manually or automatically. With 28 customizable themes that transform hue, saturation, lightness and opacity. For Firefox 28.0 and above. NEW: Copy themes and group color properties using drag-and-drop.
Auto Refresh will refresh or hard refresh any tab or group of tabs at individual or group intervals.
You can also customize your presets and save the ones you most use.
IDE for FireFox plug-in developers and business analysts who create User Interface mock-ups. A WYSIWYG XUL editor