List of Firefox add-ons with Updated 1-7 days ago

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Updated 1-7 days ago

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Add-ons (also known as extensions) are small programs that run inside web browsers like Mozilla Firefox. They add extra features to the browser without having to download anything new. You can use extensions to make browsing faster, easier, and safer. Some extensions even let you do things like translate text on websites, search the web, and play games.

There are over 28,000 Firefox-addons and 480,000 themes, making it hard to find the best ones. so we have created a way to sort through all of them. Use the dropdown above to set different filters. Add-ons are sorted by number of active users.

To set even more advanced filters, and sort the Firefox add-ons differently, please visit our Advanced search tool. Note that Advanced search tool is only available to premium members.

#1, uBlock Origin

Raymond Hill

Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

#2, AdBlocker Ultimate

AdAvoid

Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.

#3, Language: English (US)

Mozilla Firefox

Firefox Language Pack for English (US) (en-US)

#4, Language: English (GB)

Mozilla Firefox

Firefox Language Pack for English (GB) (en-GB)

#5, Language: English (CA)

Mozilla Firefox

Firefox Language Pack for English (CA) (en-CA)

#6, Dark Reader

Alexander Shutau

Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.

#7, Language: Deutsch (German)

Mozilla Firefox

Firefox Language Pack for Deutsch (de) – German

#8, Language: Français (French)

Mozilla Firefox

Firefox Language Pack for Français (fr) – French

#9, Language: Français (French)

Mozilla Firefox

Firefox Language Pack for Français (fr) – French

#10, Language: Español (ES) (Spanish, Spain)

Mozilla Firefox

Firefox Language Pack for Español (ES) (es-ES) – Spanish, Spain

#11, Language: Español (ES) (Spanish, Spain)

Mozilla Firefox

Firefox Language Pack for Español (ES) (es-ES) – Spanish, Spain

#12, Language: Русский (Russian)

Mozilla Firefox

Firefox Language Pack for Русский (ru) – Russian

#13, Language: Português (BR)

Mozilla Firefox

Firefox Language Pack for Português (BR) (pt-BR) – Brazilian Portuguese

#14, Language: Español (MX) (Spanish, Mexico)

Mozilla Firefox

Firefox Language Pack for Español (MX) (es-MX) – Spanish, Mexico

#15, Browsec VPN - Free VPN for Firefox

Browsec Inc

Unblock geographically restricted content and protect your IP with Browsec’s add-on. With this Firefox VPN, you can stay anonymous for an unlimited time! Use free remote servers to hide your location and access any content you want.

#16, MetaMask

danfinlay

Ethereum Browser Extension

#17, Language: Español (AR) (Spanish, Argentina)

Mozilla Firefox

Firefox Language Pack for Español (AR) (es-AR) – Spanish, Argentina

#18, Language: Español (AR) (Spanish, Argentina)

Mozilla Firefox

Firefox Language Pack for Español (AR) (es-AR) – Spanish, Argentina

#19, Language: Español (CL) (Spanish, Chile)

Mozilla Firefox

Firefox Language Pack for Español (CL) (es-CL) – Spanish, Chile

#20, SponsorBlock - Skip Sponsorships on YouTube

Ajay Ramachandran

Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app

#21, Language: 简体中文 (Simplified Chinese)

Mozilla Firefox

Firefox Language Pack for 简体中文 (zh-CN) – Simplified Chinese

#22, Language: Polski (Polish)

Mozilla Firefox

Firefox Language Pack for Polski (pl) – Polish

#23, Language: Italiano (Italian)

Mozilla Firefox

Firefox Language Pack for Italiano (it) – Italian

#24, Grammar and Spell Checker - LanguageTool

LanguageTooler GmbH

With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.

#25, Language: العربية (Arabic)

Mozilla Firefox

Firefox Language Pack for العربية (ar) – Arabic