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

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  1. Synctastic helps you to watch videos with your online friends. You will no longer need to manually sync your videos. This is especially helpful if some people in your group have slow internet or need frequent pauses.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Google Chrome
    • Opera
    • Brave
    • Firefox
    Synctastic screenshot 1
    Synctastic screenshot 1
    5 alternatives
  2. AltTextify is an AI-powered platform that automatically generates descriptive alt text for images, ensuring both SEO optimization and accessibility compliance. Designed for e-commerce sites, SaaS platforms, media publishers, and developers, AltTextify supports 140+ languages and...

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Zapier
    • Microsoft Edge
    • Google Chrome
    • Software as a Service (SaaS)
    • Mozilla Firefox
    AltTextify.net is an AI-powered alt text generator that helps websites automatically create descriptive, SEO-friendly, and ADA-compliant alt text for images. With support for 140+ languages and direct integrations with platforms like Shopify, WordPress, and Zapier, AltTextify eliminates the manual effort of tagging images and ensures your site is both discoverable and accessible.
    Upload an image or enter a URL, key in SEO keywords and product details— and let AltTextify.net generate the perfect alt text for you.
    AltTextify.net creates alt text that’s fully ADA and WCAG compliant - making your content accessible, SEO-friendly, and regulation-ready.
    +2
    AltTextify.net lets you embed alt text directly into your image using XMP metadata, allowing you to download images with built-in descriptions. This ensures lasting SEO value, enhanced accessibility, and consistent context - even when shared or reused across platforms.
    4 alternatives
  3. LiveTL icon
     Like

    Have you ever wanted live translations for HoloLive/Vtuber streams? Well, look no further than LiveTL!

    Cost / License

    Platforms

    • Google Chrome
    • Firefox
    • iPhone
    • Android
    LiveTL screenshot 1
    LiveTL screenshot 1
    LiveTL screenshot 2
    +2
    LiveTL screenshot 3
    22 alternatives
  4. Use Emacs to edit textareas and online editors. This extension provides bi-directional editing, cursor and scroll synchronization, and keyboard shortcuts, supporting popular online editors like CodePen, StackBlitz, and more.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Google Chrome
    • Mozilla Firefox
    Chrome Emacs screenshot 1
    Chrome Emacs screenshot 1
  5. PushEngage icon
     1 like

    Personalized Browser Push Notifications.Customers can Target Desktop and Mobile users on Chrome, Safari and Firefox through Push Notifications.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Android
    • Chrome OS
    • Google Chrome
    • Safari
    • Software as a Service (SaaS)
    • Firefox
    28 alternatives
  6. Tab Auto Refresh is a multi-browser addon that helps you automatically reload tabs of your choice. In order to operate with this addon, please open toolbar popup UI while you are visiting a website. Adjust time interval in seconds (i.e. 120 sec) and you are all set.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Windows
    • Google Chrome
    • Opera
    • Firefox
    Tab Auto Refresh screenshot 1
    Tab Auto Refresh screenshot 1
    13 alternatives
  7. Keep your searches private by redirecting searches that may be tracked to Hide My Searches, a privacy-focused search engine.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Google Chrome
    • Firefox
    Hide My Searches screenshot 1
    56 alternatives
  8. This extension adds a small Delta icon to your browser toolbar. When you click onto it, it allows to enable watching the current page, and will then inform you whenever the watched page is updated. For changed pages, it highlights the changes made to the page and allows to cycle...

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Google Chrome
    • Mozilla Firefox
    SiteDelta Watch screenshot 1
    SiteDelta Watch screenshot 1
    SiteDelta Watch screenshot 2
    1 alternatives
  9. CSS Scan icon
     1 like

    Inspect on steroids — Visualize the CSS of any element you hover over, instantly, and copy its entire rules with a single click.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
    • Google Chrome
    • Firefox
    CSS Scan screenshot 1
    CSS Scan screenshot 1
    CSS Scan screenshot 2
    13 alternatives
  10. Chrome extension that allows you to search the web while saving the ocean. Built by the non-profit group, Ocean Cleanup Group. This is a great alternative to Google search! So far they've removed over 90,000 pounds of plastic.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Chrome OS
    • Google Chrome
    • Firefox
    Ocean Cleanup Group screenshot 1
    13 alternatives
  11. The context menu search for all of us: quick, easy & customizable. Best in class group-search: find on multiple sites at once! Supports favicons (Firefox), omnibox & cross browser sync. Select from 1000+ user generated searches or add your own.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Microsoft Edge
    • Vivaldi Browser
    • Google Chrome
    • Opera
    • Firefox
    Trufflepiggy - Context Search screenshot 1
    Trufflepiggy - Context Search screenshot 1
    Trufflepiggy - Context Search screenshot 2
    +2
    Trufflepiggy - Context Search screenshot 3