Mozilla Firefox Plugins, Add-ons and extension Page 50 of 70

Browse 1,749 Mozilla Firefox Plugins, Add-ons and extension on AlternativeTo.

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  1. Klart AI icon
     1 like

    Klart AI, powered by OpenAI's GPT-4, is an intelligent AI Assistant designed to enhance workplace productivity and collaboration. Seamlessly integrating with Slack, Teams, Gmail, and various databases like Confluence, Notion, and JIRA, it provides robust, AI-driven...

    • FreemiumProprietary
    • Mac
    • Windows
    • Online
    • Google Chrome
    • Slack
    • Microsoft Teams
    • Software as a Service (SaaS)
    • Gmail
    • Slack App Directory
    • Firefox
    AI Slack Assistant
  2. Web scraping API with a flexible usage-based pricing that offers real browsers, rotating mobile proxies, and JavaScript rendering.

    • Web Scraping Tool
    • PaidProprietary
    • Mac
    • Windows
    • Linux
    • Online
    • BSD
    • Google Chrome
    • Software as a Service (SaaS)
    • Firefox
    Landing Page
    24 alternatives
  3. Cloud Firewall is a browser extension/addon that allows users to block connections to sites, pages and web resources (images, videos, etc) hosted in major cloud services if the user wishes to do so.

    • FreeOpen Source
    • Online
    • Firefox
    Cloud Firewall screenshot 1
  4. RiteBoost icon
     1 like

    Auto-hashtags, Auto-emojis, GIFs and much, much more, all according to your Enahce rules. It's all donein a single click in Buffer, Hootsuite and all social media content creation and publishing solutions (Buffer, Hootsuite, Sproutsocial, Hubspot...).

    RiteBoost screenshot 1
    47 alternatives
  5. InFormEnter icon
     1 like

    InFormEnter is a form-filler add-on for Firefox. It adds a small clickable icon next to every input field in a web-form so that you can select the item to be inserted with no typing required. You can configure it to display your frequently-used information such as name, address...

    • FreeProprietary
    • Mac
    • Windows
    • Linux
    • Firefox
    InFormEnter screenshot 1
    5 alternatives
  6. Adict icon
     1 like

    This extension allows you to easily look up a phrase in English or Polish holding ALT and double clicking. You can choose one of the three available dictionaries: dictionary.com (EN), merriam-webster.com (EN) and diki.pl (EN/PL).

    • Translator
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Chromium
    • Firefox
    Adict screenshot 1
    4 alternatives
  7. DontPhishMe icon
     1 like

    DontPhishMe is an Anti-Phishing addon for Mozilla Firefox which utilizes the pattern matching techniques to provide the Malaysian Internet user with information and notification to protect them against online banking phishing website.

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Firefox
    DontPhishMe screenshot 1
  8. The S3Fox Organizer(S3Fox), offers the ability to upload or download files to and from Amazon S3. The interface, which opens in a Firefox browser tab, looks much like that of FTP clients with a dual-pane layout.

    • Discontinued
    • FreeProprietary
    • Mac
    • Windows
    • Linux
    • Firefox
    12 alternatives
  9. A plugin for web browsers that brings more utility for LBRY Protocol by allowing you to find people you watch on YouTube that are available on Odysee, LBRY Desktop App and other LBRY Protocol based apps/websites, allows you to easly check your subscribtion list and much more!

    • FreeOpen Source
    • Google Chrome
    • Firefox
    Watch on Odysee screenshot 1
    11 alternatives
  10. SmartProxy is a powerful Firefox/Chrome browser extension. Using proxies cannot be easier with SmartProxy. Think of it as configure once and forget solution. With SmartProxy you don't need to change your proxy manually or turn it on and off.

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • Google Chrome
    • Firefox
    Easy config from menu
    5 alternatives
  11. WhichLogin icon
     1 like

    Was it Facebook? Or Twitter? Or GitHub? WhichLogin is a browser extension for people forgetting how they signed into websites. Never create accounts accidentally again.

    • PaidProprietary
    • Mac
    • Windows
    • Linux
    • Chrome OS
    • Microsoft Edge
    • Google Chrome
    • Kiwi Browser
    • Chromium
    • Firefox
    WhichLogin screenshot 1
    61 alternatives
  12. HostAdmin icon
     1 like

    Saving your time when you switch domain-IP mapping (Hosts file) between different environment. Awesome host file editor!

    • FreeProprietary
    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Firefox
    HostAdmin screenshot 1
    10 alternatives
  13. 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.

    • Web Search Engine
    • FreeProprietary
    • Mac
    • Windows
    • Linux
    • Online
    • Microsoft Edge
    • Vivaldi Browser
    • Google Chrome
    • Opera
    • Firefox
    Trufflepiggy - Context Search screenshot 1
  14. Drop Feeds icon
     2 likes

    Displays a sidebar that lets you manage your RSS feeds in a folder tree view in Firefox 57+. A "Legacy" theme is available to have look close to "Sage".

    Drop Feeds screenshot 1
    179 alternatives
  15. Back to Top icon
     1 like

    Back to Top is a Firefox extension that helps you navigate long pages. Basically, it adds two items to the context menu (right click), toolbar and statusbar.

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Firefox
    Back to Top screenshot 1
    3 alternatives
  16. A light-weight Google search toolbar for Firefox. Offers 14 search types, search history auto-completion, customizable toolbar (place it anywhere), search word highlighting, and...

    • FreeProprietary
    • Windows
    • Linux
    • Firefox
    Googlebar Lite screenshot 1
    2 alternatives
  17. CometCall icon
     1 like

    CometCall has been designed to enable cheap and simple online communication for small and medium businesses. The online video calls are performed directly in the internet browser with no installation required. Available for Chrome, Firefox and Opera.

    • PaidProprietary
    • Windows
    • Linux
    • Google Chrome
    • Opera
    • Firefox
  18. Tall Guy resource, promotion and photo gallery service with over 20,000 photos available for free.

    • FreeProprietary
    • Windows
    • Online
    • Google Chrome
    • Firefox
    Tall Guys Free screenshot 1
    14 alternatives
  19. BlackSheep icon
     1 like

    BlackSheep is a Firefox add-on which warns users if someone is using Firesheep on their network. It also indicates the IP address of the machine that is spying on you.

    • FreeProprietary
    • Mac
    • Windows
    • Linux
    • Firefox
    BlackSheep screenshot 1