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RECOMMENDED

SingleFile

Save an entire web page—including images and styling—as a single HTML file.
Get the extension

Extensions are like apps for Firefox.

They add features to Firefox to make browsing faster, safer, or just plain fun.
See all extensions
Extension starter pack
Extension starter pack
See staff picks
Privacy & anti-tracking
Privacy & anti-tracking
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Translation tools
Translation tools
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Elite ad blockers
  • uBlock Origin

    uBlock Origin

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

    5,515,875 users

  • AdBlock for Firefox

    AdBlock for Firefox

    The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.

    1,019,762 users

  • Ghostery – Privacy Ad Blocker

    Ghostery – Privacy Ad Blocker

    Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.

    1,140,013 users

  • AdGuard AdBlocker

    AdGuard AdBlocker

    Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

    753,647 users

YouTube customization
  • AdBlocker for YouTube™

    AdBlocker for YouTube™

    Remove all annoying ads from YouTube.

    422,423 users

  • Enhancer for YouTube™

    Enhancer for YouTube™

    Take control of YouTube and boost your user experience!

    678,056 users

  • SponsorBlock - Skip Sponsorships on YouTube

    SponsorBlock - Skip Sponsorships on YouTube

    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

    170,418 users

  • Youtube Audio

    Youtube Audio

    Stream just the audio from YouTube to save bandwidth and battery life

    34,619 users

Tab managers
  • Tree Style Tab

    Tree Style Tab

    Show tabs like a tree.

    148,457 users

  • OneTab

    OneTab

    OneTab - Too many tabs? Convert tabs to a list and reduce browser memory

    118,738 users

  • Tab Reloader (page auto refresh)

    Tab Reloader (page auto refresh)

    An easy-to-use tab reloader with custom reloading time settings for individual tabs

    75,342 users

  • New Tab Override

    New Tab Override

    New Tab Override allows you to set the page that shows whenever you open a new tab.

    71,152 users

“whatsapp” tagged extensions
  • Global Speed

    Global Speed

    Set a default speed for video and audio.

    46,733 users

  • 划词翻译

    划词翻译

    一站式划词 / 截图 / 网页全文 / 音视频翻译扩展,支持谷歌、DeepL、百度、搜狗等 9 个国内外主流翻译源,且均可用于网页翻译。能对比、朗读、复制翻译结果。能在 PDF 里使用。支持辅助键、快捷键、悬浮取词。

    27,922 users

  • Pinned Tab for WhatsApp Web

    Pinned Tab for WhatsApp Web

    Go to the pinned WhatsApp Web tab. If it doesn't exist, it's created. WhatsApp doesn’t endorse or sponsor this project.

    25,445 users

  • Privacy Extension For WhatsApp™ Web

    Privacy Extension For WhatsApp™ Web

    The Privacy Extension For WhatsApp™ Web hides your messages from unwanted glimpses until you hover over them. In the search bar, you can disable the blur effect on all messages manually and specify what elements to blur.

    5,351 users