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Add-on Compatibility Reporter

Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly (legacy add-ons only).

Rated 4 out of 5 stars (193)
2,070 weekly downloads

Save Page WE Compatible with Firefox 57+

Save a complete web page (or just its current state) as a single HTML enhanced file that can be displayed in any browser.

Rated 4 out of 5 stars (25)
1,949 weekly downloads

Auto Form Requires Restart

Copy/Paste all fields from a web form in one click.

Rated 3 out of 5 stars (21)
1,822 weekly downloads

Toolbar Buttons

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

Rated 4 out of 5 stars (339)
1,678 weekly downloads

Vimium-FF Compatible with Firefox 57+

The Hacker's Browser. Vimium provides keyboard shortcuts for navigation and control in the spirit of Vim.

This is a port of the popular Chrome extension to Firefox.

Most stuff works, but the port to Firefox remains a work in progress.

Rated 4 out of 5 stars (18)
1,657 weekly downloads

APK Downloader

Download APK files from Google Play Store (Android Market) for free, from your browser.

Rated 3 out of 5 stars (107)
1,623 weekly downloads

PrintPDF Requires Restart

This allows users on Windows and Linux to print web pages to PDF. Mac users you already have this functionality.

Rated 3 out of 5 stars (200)
1,587 weekly downloads

Nightly Tester Tools Compatible with Firefox 57+

Nightly Tester Tools (NTT) is an add-on for aiding testers of Nightly builds of Mozilla apps including Firefox.

Rated 4 out of 5 stars (188)
1,412 weekly downloads

Low Quality Flash Requires Restart

Sets Flash objects to "Low Quality" to improve performance on slower platforms (i.e. older computers, netbooks, and Firefox Mobile).

Rated 4 out of 5 stars (45)
1,405 weekly downloads

PlayFlash 32bit Requires Restart

Flash player plugin - unofficial xpi repack for 32bit browsers.
Use when official plugin installer is not suitable.
All binary files are copyrighted by their authors and distributed for free.

Rated 5 out of 5 stars (20)
1,360 weekly downloads

ProfileSwitcher Requires Restart

It adds some options to launch easily other profiles and the Profile Manager.

Rated 4 out of 5 stars (93)
1,350 weekly downloads

Secure Login Requires Restart

Secure Login is an extension for Firefox integrated password manager.

For Firefox > 51, try my WebExtension implementation: https://addons.mozilla.org/en-US/firefox/addon/secure-login-webextension/

Rated 4 out of 5 stars (359)
1,337 weekly downloads

Translate This!

Translate the whole entire page or just a selection using Google Translate.

Rated 3 out of 5 stars (103)
1,288 weekly downloads

Reload Plus

Supercharge your reload button and hotkeys!

Rated 5 out of 5 stars (79)
1,218 weekly downloads

RAMBack Requires Restart

RAMBack will cause Firefox to issue an internal notification to free up memory that is otherwise held for performance purposes. Additional items will be hooked into this notification in the future.

Rated 3 out of 5 stars (148)
1,207 weekly downloads

IRCTC Tatkal Compatible with Firefox 57+

An add-on to help you in booking Indian railway tatkal ticket. It is very simple and easy to use. Install the add-on, fill the journey and payment and open IRCTC 2-3 minutes before and all the details (payment too) will be automatically filled.

Rated 4 out of 5 stars (36)
1,191 weekly downloads

PDF editor online Compatible with Firefox 57+

Create and edit PDF files with PDF editor online

Rated 4 out of 5 stars (28)
1,131 weekly downloads

Local Filesystem Links

Scans for local file system URIs (file:///) on any page. Click on the added icon to open the local link with the system's file manager. Alternatively, select any text that forms a path (e.g. "C:\tmp\cow 1.txt") and use the context menu.

Rated 5 out of 5 stars (36)
1,125 weekly downloads

Restart

"Restart" menu and button, with configurable shortcut key.

Rated 5 out of 5 stars (93)
1,121 weekly downloads

PlayFlash 64bit Requires Restart

Flash player plugin - unofficial xpi repack for 64bit browsers. Use when official plugin installer is not suitable. All binary files are copyrighted by their authors and distributed for free.

Rated 5 out of 5 stars (22)
1,121 weekly downloads