Invisible Video Downloader
Silently downloads all video resources on page load
864 users
JSON Viewer Pro
JSON Viewer lets you visualize a JSON in your browser.
864 users
Penetration Testing Kit
Attention! This version is no longer supported. Use /firefox/addon/owasp-penetration-testing-kit/ extension instead.
855 users
Responsively Helper
An extension to open current browser page in Responsively app
849 users
Web Developer Checklist
Analyzes any web page for violations of best practices.
849 users
Request Control
An extension for controlling requests.
841 users
Transparent standalone images
This add-on renders standalone images on a transparent background, so you can see the image in all its glory!
837 users
Zoho Annotator
The most elegant and efficient annotation tool.
830 users
Scrum for Trello
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.
816 users
Lighthouse Report Generator
Generates a Lighthouse Report without needing to use Chrome or the Lighthouse CLI
811 users
Discord Rich Presence
Discord rich presence extension with open API.
809 users
Tabs Backup & Restore
Keep manual or automatic backups of all tabs*, and restore on demand. Can also export backup file to disk to restore later, or to another profile, even on another computer or OS, as long as it has Tabs Backup & Restore installed. *(See description)
807 users
OWASP Penetration Testing Kit
Penetration Testing Kit is an extension for application security practitioners, penetration testers, and red teams. Penetration Testing Kit is an extension for application security practitioners, penetration testers, and red teams.
805 users
Scan QR code
Scan QR code through Webcam and screenshot
804 users
HackBar
A HackBar for new firefox. This addon is written in webextension and alternatives to the XUL version of original Hackbar.
801 users
IEability - Open in IE
Runs Internet Explorer (IE) in Firefox with IE Tab mode, supporting legacy websites, Java, ActiveX, Flash and enterprise systems.
792 users
GitKraken Browser Extension
Track your pull requests for GitHub, GitLab, Azure DevOps, and BitBucket. Open repos, commits, PRs, and branches in VS Code with GitLens or the GitKraken Desktop.
792 users
HTMaiL: Insert HTML into email message
This extension will allow you to easily insert HTML code into the body of the message from your favorite webmail service: Gmail, Outlook, and Yahoo Mail.
789 users
Save Website as Image
Save a full snapshot of a website as a single or a series of images
786 users
Forget Button - Clean your Browser
Quickly delete your browser history, cookies, cache, downloads, forms, and passwords
782 users
ORGanizer for Salesforce
ORGanizer - The best Salesforce Extension ever
782 users
Content Security Policy (CSP) Generator
Automatic Content Security Policy (CSP) Generator. Generate a Content Security Policy header in minutes on any website. Built by https://csper.io
781 users
Web Editor
Edit the every web page you want !! .... Making your own custom web page , using any other web page is just a click away !!! You can convert any web page into an editable document , which can then be edited and saved .
777 users
百度药丸 Baidu Capsule1
使用更纯净的百度 1.屏蔽百度广告推广 2.阻止百度追踪 3.支持居中显示治愈偏头痛
774 users
RemoveYouTubePause
Remove the 'Video paused. Continue watching?' message on YouTube, allowing for a seamless video and audio experience without interruptions, on Firefox for both desktop and mobile.
770 users