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YouTube™ Flash-HTML5 Compatible with Firefox 57+ Featured

Play YouTube™ Videos in Flash or HTML5 Player

Rated 4 out of 5 stars (40)
46,351 users

Dictionary (Google™ Translate) Anywhere Featured

"Dictionary (Google™ Translate) Anywhere" extension provides access to a floating multilingual Google Translate panel on any webpage.

Rated 5 out of 5 stars (51)
14,872 users

Google™ Translator Lite Compatible with Firefox 57+ Featured

a powerful tool to translate words or sentences

Rated 4 out of 5 stars (39)
44,018 users

Reload Plus Featured

Supercharge your reload button and hotkeys!

Rated 5 out of 5 stars (75)
14,549 users

Classic Toolbar Buttons Featured

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions.

Beta builds on versions page!

Rated 5 out of 5 stars (132)
37,027 users

Duplicate Tabs Closer Featured

Detects and automatically closes duplicate tabs.

Rated 4 out of 5 stars (48)
7,754 users

Reverse Image Search Compatible with Firefox 57+ Featured

Capture, Reverse Image Search is a powerful capturing reverse image search tool built on top of TinEye engine.

Rated 4 out of 5 stars (9)
11,585 users

Theme Font & Size Changer Featured

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Rated 5 out of 5 stars (170)
110,280 users

iMacros for Firefox Featured

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

Rated 4 out of 5 stars (471)
691,535 users

CookieKeeper Featured

Extended Cookie Manager - Keep only wanted cookies.

Rated 4 out of 5 stars (70)
14,456 users

Emoji Keyboard Compatible with Firefox 57+ Featured

A free extension of the web tool https://emojikeyboard.org. It helps input emoji in the web browser with an extensive search functionality.

Rated 4 out of 5 stars (67)
119,120 users

Proxy Switcher Featured

Access to the complete Firefox's proxy settings right from a toolbar panel

Rated 5 out of 5 stars (36)
38,502 users

Download YouTube Videos as MP4 Featured

An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.

Rated 4 out of 5 stars (488)
1,042,924 users

Lightbeam for Firefox Featured

Lightbeam is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.

Rated 4 out of 5 stars (428)
352,410 users

DownThemAll! Featured

The first and only download manager/accelerator built inside Firefox!

Rated 4 out of 5 stars (1,756)
1,145,553 users

Disconnect for Facebook™ Featured

Facebook™ Disconnect is an efficient firewall to disconnect third-party websites from accessing to your Facebook.

Rated 4 out of 5 stars (11)
26,706 users

AdBlocker Ultimate Featured

Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!

Rated 5 out of 5 stars (1,583)
402,114 users

Enhancer for YouTube™ Compatible with Firefox 57+ Featured

One of the best extensions for YouTube™. All the features you need to make YouTube™ more awesome!

Rated 5 out of 5 stars (76)
41,265 users

Decentraleyes Featured

Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

Rated 5 out of 5 stars (117)
78,111 users

VimFx Featured

Short, Vim-style keyboard shortcuts for browsing and navigation, for a near mouseless experience.

Rated 5 out of 5 stars (178)
22,608 users