Mozilla Firefox Plugins, Add-ons and extension Page 29 of 71

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  1. Kurozora icon
     4 likes

    The single destination for all the Japanese media you love, and the ones you’ll love next. Discover anime, manga, music & games. Track what you watch/read/play, and listen to anime music—all in one platform and across all your devices.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Microsoft Edge
    • Google Chrome
    • UNIX Web Browser
    • Safari
    • visionOS
    • Mozilla Firefox
    [Mac] Explore page with upcoming shows, top genres/themes, characters/people born today and many more curated categories. Updated to introduce you to the ever-evolving world of anime.
    [Mac] Your shows right where you want it. Sort it by date, time, or even personal rating. List it by posters, banners or detailed view. You decide.
    [Mac] Find what you are looking for faster and easier with rich search results.
    +7
    [Mac] All your favorite episodes categorized per season.
    58 alternatives
  2. h264ify icon
     1 like

    Try h264ify if YouTube videos stutter, take up too much CPU, eat battery life, or make your laptop hot.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • Mozilla Firefox
    h264ify screenshot 1
    h264ify screenshot 1
    1 alternatives
  3. Videolify icon
     4 likes

    Start your next video call with a single click. No download, plug-in or login required. Just get straight to talking, messaging and sharing your screen.

    Cost / License

    Application type

    Alerts

    • Discontinued

    Platforms

    • Online
    • Microsoft Edge
    • Internet Explorer
    • Google Chrome
    • Opera
    • Brave
    • Firefox
    Videolify screenshot 1
    125 alternatives
  4. Safeguard against malicious URLs by scanning your feed using Norton Safe Web. Protect your friends by advising them of malicious URLs you might have in your feed.

    Cost / License

    • Free Personal
    • Proprietary

    Platforms

    • Online
    • Google Chrome
    • Microsoft Edge
    • Mozilla Firefox
    Norton Safe Web screenshot 1
    Norton Safe Web screenshot 1
    22 alternatives
  5. Polisis icon
     4 likes

    Polisis visualizes any privacy policy in a simplified interface using artificial intelligence. It allows you to know what the company is collecting about you, what it is sharing, and much more.

    Cost / License

    • Free
    • Proprietary

    Application type

    Alerts

    • Discontinued

    Platforms

    • Online
    • Google Chrome
    • Safari
    • Firefox
    Data Security Example
    Data Collection Example
    Choices Available Example
  6. Hackertab.dev icon
     2 likes

    Hackertab.dev, a handy extension to help developers stay up-to-date with the latest tech happenings. It’s fully customizable, for frontend, backend, full-stack, mobile, data scientists… bref, for all developers.

    Cost / License

    Platforms

    • Online
    • Microsoft Edge
    • Google Chrome
    • Safari
    • Opera
    • Firefox
    Free & Open source
    Daily updated content
    Multiple data sources: Hackernews, producthunt, dev.to, reddit, hashnode...
    +2
    Fully personalized by favorite language
    14 alternatives
  7. Search for a Cause is a search engine that allows you to raise money for charity each time you search. We raise money through a small number of ads included with the search results. The revenue earned from those ads is pooled together and then donated to our partner charities...

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Google Chrome
    • Mozilla Firefox
    53 alternatives
  8. Privacy Settings lets you alter Firefox's built-in privacy preferences easily from a toolbar button. This extension aims to keep all the security settings in one place. There are different modes of operation based on your needs.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    • Haiku
    • Firefox
    Privacy Settings screenshot 1
    Privacy Settings screenshot 1
  9. CustomTube icon
     2 likes

    You can now select your YouTube layout from 2008-2021 with CustomTube. However, it's not advised to use it with other extensions or scripts to avoid issues. If you have a user agent switcher, disable it on youtube.com to ensure functionality beyond the default 2017 layout.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Online
    • Google Chrome
    • Firefox
    CustomTube screenshot 1
    CustomTube screenshot 1
    CustomTube screenshot 2
    +1
    CustomTube screenshot 3
    8 alternatives
  10. Toools.cloud icon
     1 like

    Toools.cloud is a free collection of online tools for everyday tasks—like files management, image editing and more—all running locally in your browser with no login and no limits.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Windows
    • Mac
    • Linux
    • Mozilla Firefox
    Toools.cloud screenshot 1
    Toools.cloud screenshot 1
    Toools.cloud screenshot 2
    +2
    Toools.cloud screenshot 3
  11. Free and open source extension for adding a custom search engine to the list of available search engines in the search bar and URL bar to Firefox or a desktop browser that can use Firefox extensions.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    Add custom search engine screenshot 1
    Add custom search engine screenshot 1
    Add custom search engine screenshot 2
  12. This extensions provides multiple utilities for firefox search engines. You can add a new custom search engine by providing the search url and the icon url. You can also export the search url and icon urls of all the search engines added to Firefox and import them later.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Firefox
    Search Engines Helper screenshot 1
    Search Engines Helper screenshot 1
    Search Engines Helper screenshot 2
    +2
    Search Engines Helper screenshot 3
  13. Add Slice, monetize your browser & get paid for the ads you see. As you browse the internet, Slice will display curated non-intrusive ads. Whenever you see a Slice ad, you receive a monetary reward (Slices).

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Google Chrome
    • Mozilla Firefox
    Slice - You browse. We pay. screenshot 1
    Slice - You browse. We pay. screenshot 1
    Slice - You browse. We pay. screenshot 2
    6 alternatives
  14. TempEmailify icon
     2 likes

    A Quick short-lived email accounts for free.. Protect from getting awful subscriptions which many websites sending very often. And also prevent you from any viruses, malware, etc.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Google Chrome
    • Firefox
    TempEmailify screenshot 1
    100 alternatives
  15. Keep track of how much time you spend on the web, and where you spend it. A toolbar ticker shows the time spent at the current site or the total time spent on the web today.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Mozilla Firefox
    Mind The Time screenshot 1
    Click the button for a panel that shows both the time spent on the current site today and the total time spent on the web today (h:mm / h:mm).  Use this panel to open the summary page or change the timer mode.
    The summary page shows how much time you have spent on the web and where for today and the past 70 days.  It includes weekly and monthly summaries for the past 10 weeks and the past 6 months.
    +2
    Optionally receive periodic reminder notifications at any frequency.  They show the total time for the day and for the top three sites.
  16. Do you often type Markdown code manually for a link or image, or even all tabs in a window, and feel tired? Copy as Markdown can help you!

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Chrome OS
    • Google Chrome
    • Firefox
    Copy as Markdown screenshot 1
    Copy as Markdown screenshot 1
    1 alternatives
  17. savmrl.it icon
     1 like

    savmrl.it is a link shortener, which permits you to take a long URL and creates a unique and shorter version of it, which redirects to the original URL when clicked.

    Cost / License

    Platforms

    • Online
    • Firefox
    • Google Chrome
    • Microsoft Edge
    savmrl.it screenshot 1
    savmrl.it screenshot 1
    savmrl.it screenshot 2
    45 alternatives
  18. Greasefire icon
     3 likes

    Automatically find user scripts on Userscripts.org (requires Greasemonkey or Scriptish)

    Cost / License

    • Free Personal
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Firefox
    Greasefire screenshot 1
    Greasefire screenshot 1
    Greasefire screenshot 2
  19. S3.Translator icon
     13 likes

    Browser extension that adds Google Translate's power to translate selected text, phrases, or full web pages while retaining HTML formatting across 100+ languages.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Mozilla Firefox
    S3.Translator screenshot 1
    S3.Translator screenshot 1
    120 alternatives
  20. Wirify icon
     2 likes

    Wirify bookmarklet lets you turn any web page into a wireframe in one click.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Firefox
    Wirify screenshot 1
    53 alternatives
  21. A Firefox add-on (browser extension) that provides you with a modern emoji picker that you can use to find and select emojis. You can copy them to your clipboard 📋 or also directly insert them into the active web page.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Firefox
    Select any emoji directly from your browser with this emoji picker.
    Adjust the skin color and search for emojis.
    Search for emojis.
    +2
    Directly insert emojis into the current page.
    27 alternatives
  22. Redirect Instagram and TikTok URLs to anonymous viewers. Access any profile, posts, tagged posts, stories profile or tags on Instagram or any profile on TikTok and the extension will redirect...

    Cost / License

    Platforms

    • Google Chrome
    • Brave
    • Mozilla Firefox
    Social Switch screenshot 1
    Social Switch screenshot 1
    Social Switch screenshot 2
    +1
    Social Switch screenshot 3
    16 alternatives