DevTools Media Panel
DevTools panel that displays technical details about media elements and webrtc on the current page; intended primarily for web developers to understand media playback issues on their sites, and for users to provide more informative bug reports.
1,635 users
Rotate that Video Player
Improve your video experience by effortlessly rotating your video clips by 90, 180, or 270 degrees.
1,629 users
Website IP
Simple add-on that displays the current website IP address without a third party service. Converting the current tabs domain name to IPv4 & IPv6 via DNS lookup.
1,584 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).
1,578 users
tweak: mock and modify HTTP requests
tweak allows you to mock and modify HTTP requests without leaving the browser
1,573 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.
1,566 users
BugHerd: Visual Feedback & Bug Tracking Tool
Screenshots for the point and click bug tracker
1,559 users
Print PDF
Print any Webpage to PDF. No server or third-party processing. Uses built-in Firefox converter.
1,557 users
Open Graph Preview
Shows approximately what users will see if this webpage is shared on websites that uses OG tags to display a preview. Let you detect if no Open Graph Tags are set on your webpage ! The shown preview is inspired from the Facebook one.
1,545 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, ...
1,541 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
1,533 users
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.
1,524 users
Capture Full Page Screenshot
Capture a screenshot of your current page according to visible and fullpage with just one click
1,475 users
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
1,446 users
Test & Feedback
Now everyone on the team can own quality. Capture findings, create issues, and collaborate with the team, directly from the browser.
1,445 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
1,436 users
Open in MS Edge™ Browser
Open current page, link, or all tabs in the Microsoft Edge™ browser
1,433 users
