HighlightAll
Automatically highlight and count all occurrences of a word by selecting it. Custom mode option provides multiple highlighting feature with customizable colors and can also display search markers beside the scrollbar.
1,848 users
Copy Selected Tabs to Clipboard
Provides ability to copy title and URL of selected tabs to the clipboard.
1,839 users
CSS Reloader
CSS Reloader is an extension that allows you to reload all the CSS of any site without you have to reload the page itself.
1,831 users
Spoof Geolocation
This extension alters browser Geolocation latitude and longitude to user-defined values
1,825 users
PDF Combine - Convert and Merge
Convert and merge multiple files with different formats into a single PDF document
1,803 users
Pesticide, for Firefox
Kill your css layout bugs! Pesticide is an open source CSS tool created by Adam Morse and available for download, forking on Github at http://pesticide.io/
1,775 users
Live editor for CSS, Less & Sass - Magic CSS
Live preview of CSS/Less/Sass code changes. Auto-save file, autocomplete, convert Less/Sass to CSS, beautify, minify, CSS reloader, linter, ...
1,764 users
OWASP Penetration Testing Kit
Penetration Testing Kit is an extension for application security practitioners, penetration testers, and red teams.
1,729 users
URL Shortener
List of url shortener services available 1. tinyurl.com 2. bit.ly 3. cutt.ly 4. is.gd 5. v.gd 6. tny.im Shortern the page/selected URL Tired of copying the URL and going to a website to short it use this extension to shorten it.
1,721 users
GreenIT-Analysis
GreenIT-Analysis : Measure EcoIndex(www.ecoindex.fr) and check ecometer best practice (www.ecometer.org)
1,707 users
Clear Site Cookies
Clear the cookies of the current website, with cookie preview and precise cookie selection.
1,703 users
Augury
Extends the Developer Tools, adding tools for debugging and profiling Angular applications.
1,685 users
Handy Screenshot
Capture the web page, either part of it or full page. Edit your screenshots in a very user-friendly interface. Replacement of 'Awesome screenshot capture' and 'Nimbus Screenshot' Click on icon or Press Alt twice to take screenshots
1,683 users
tweak: mock and modify HTTP requests
tweak allows you to mock and modify HTTP requests without leaving the browser
1,682 users
Quick Accept-Language Switcher
Provides a quick way of changing the HTTP Accept-Language header so you can view and test websites with a different locale.
1,680 users
Print PDF
Print any Webpage to PDF. No server or third-party processing. Uses built-in Firefox converter.
1,670 users
hide-scrollbars
Hides scrollbars in Firefox v60+ * not a legacy extension! * no extra setup required just install! * works on all sites! * easy to toggle on/off via the extension pop-out menu! If you like this extension please donate: paypal.me/qashto/5
1,660 users
Extension source viewer
View source code of Firefox add-ons and Chrome extensions (crx/nex/xpi) from addons.mozilla.org, the Chrome Webstore and elsewhere, with CRX Viewer (crxviewer).
1,613 users
Locale Switcher
Lets you quickly switch the browser locale to test localization on your website.
1,595 users
Open in MS Edge™ Browser
Open current page, link, or all tabs in the Microsoft Edge™ browser
1,589 users
