9,098 users
Activate Reader View
This add-on adds a button to the toolbar. Clicking on it activates the Reader View even if the icon in the address bar is not present.
9,067 users
Instant Gaming
Browse the web for your favorite games and always know if they are available at Instant-Gaming.com !
9,040 users
Private Bookmarks
Enables a password-protected bookmark folder.
9,032 users
Progressive Web Apps for Firefox
A tool to install, manage and use Progressive Web Apps (PWAs) in Mozilla Firefox
9,031 users
Html Validator
HTML Validator is a Mozilla extension that adds HTML validation inside Firefox, Mozilla. The number of errors of a HTML page is seen on the form of an icon For Firefox 56, use 0.974 (see all versions below). For Firefox 57, see Web Extensions.
9,005 users
Alitools shopping assistant
Auto-find & apply AliExpress ™ promo codes, price history, seller rating, similar products, find item by picture
8,969 users
8,935 users
Highlighter + Notes
Add Highlights and Notes to a Web Page
8,914 users
Google Page Translate
Adds a toolbar button to open Google Page Translate for the current tab.
8,865 users
Avast SecureLine VPN
Control your Avast SecureLine VPN from the comfort of your browser. Easily turn your VPN on and off, or change your server location, with our simple but powerful extension. All you need is Avast SecureLine VPN with a valid license.
8,840 users
Privacy | Protect Your Payments
Privacy's Firefox add-on allows you to generate a new virtual card number with 1-click on any checkout page. Keep your payment info safe from data breaches, shady merchants, and sneaky subscription billing.
8,801 users
8,792 users
Bookmarks clean up
Find and remove duplicated bookmarks manually and in batches, get rid of broken bookmark links and empty folders.
8,755 users
Lingocloud - Web Translation Extension
Lingocloud is a bilingual translation extension, delivers a native reading experience at the Click of a button.
8,748 users
HackBar
A HackBar for new firefox (Firefox Quantum). This addon is written in webextension and alternatives to the XUL version of original Hackbar. Press F12 to use HackBar
8,744 users
Session Sync
Save sessions as bookmarks and access them across devices. Advanced Session Manager: edit, save, change, restore. It can also be your best Bookmark Manager
8,726 users
Mobile emulator
Smartphone emulator on computer very realistic with several models to test mobile websites.
8,700 users
Hide My IP Free
Hide Your IP Address and Unblock Websites for Free with the Hide My IP proxy and VPN IP network. Thousands of IPs around the world to choose from. Access your favorite streaming sites by changing your IP location. No ads or limitations.
8,699 users
Shortkeys (Custom Keyboard Shortcuts) for Firefox
Easily customizable custom keyboard shortcuts for Firefox. To configure this addon go to Addons (ctrl+shift+a) ->Shortkeys ->Options. Report issues here (please specify that the issue is found in Firefox): https://github.com/mikecrittenden/shortkeys
8,692 users
Tab Counter
Add a badge to the toolbar that shows the number of currently open tabs in a window or all windows.
8,688 users
Video Downloader for Reddit - Redditsave
A powerful reddit video downloader with sound powered by redditsave.com
8,678 users
daily.dev | The homepage developers deserve
Get one personalized feed for all the knowledge you need as a developer.
8,645 users
Adaware AdBlock
By blocking annoying ads and nosy trackers, Adaware AdBlock nearly doubles your browsing speed! And with the most robust antivirus-level cloud-scanning technology of any ad blocker on the market, you’ll be safe from the latest cyber-threats.
8,638 users
MAL-Sync
MAL-Sync enables automatic episode tracking between MyAnimeList/Anilist/Kitsu/Simkl and multiple anime streaming websites.
8,621 users