To use these add-ons, you'll need to download Firefox.

Log in

12,431 extensions found in Appearance

Filter results
Search results
  • NPV Calculator Card Basic

    NPV Calculator Card Basic

    A Net Present Value (NPV) Calculator is a web-based tool that helps users calculate the net present value of an investment

    Kubet

    1 user

  • Foxy Tabs

    Foxy Tabs

    Modern new tab start page

    tavolaccicarlotta

    1 user

  • SHIFT 543: BE to Gregorian Year Converter

    SHIFT 543: BE to Gregorian Year Converter

    The SHIFT 543 extension automatically transforms BE dates into their Gregorian equivalents, adjusting for the 543-year difference, directly in your search results on Google. Perfect for users in Thailand or anyone encountering BE dates online.

    Willo Sana

    1 user

  • Appearance Profile Manager

    Appearance Profile Manager

    Manage and switch between multiple appearance profiles easily.

    Horn

    1 user

  • Chess.com Opening Name Extender

    Chess.com Opening Name Extender

    This addon will make the opening names in chess.com more detailed. Works only in analysis mode, daily games, or after you are done playing a game with an opponent.

    horsey_guy

    1 user

  • ghcss-extension

    ghcss-extension

    A simple extension that allows users to view custom css on GitHub profiles.

    Bims

    1 user

  • what day color of the week

    what day color of the week

    Change browser color for day of the week

    t_w

    1 user

  • Pardus Sweetener S

    Pardus Sweetener S

    User interface enhancements for the online game Pardus.

    Seilus

    1 user

  • Little Worlds

    Little Worlds

    Packaged version of Jason's little worlds: https://jason.today/little-worlds

    ForgottenLinkz

    1 user

  • kill-twitter-banner

    kill-twitter-banner

    Removes the annoying twitter banner that shows up when you're not signed up: just click the extension logo in your toolbar to kill the twitter banner !

    guilom

    1 user

  • StackOverflow Detoxifier

    StackOverflow Detoxifier

    Removes some of the most toxic parts of Stack-Overflow, such as the downvote and close buttons Do you have enough karma for these tools and a trigger finger? This might help you prevent closing a question and making the community a little worse.

    Evert Pot

    1 user

  • Wakfupedia++

    Wakfupedia++

    WAKFU is a MMORPG made by Ankama. Wakfupedia++ is a player made, unofficial, extension that displays buff tooltips in the Wakfu encyclopedia.

    Piego Il Tempo

    1 user

  • FocusClimb

    FocusClimb

    Replace new tab page with a personal dashboard featuring , desired pictures and Pomodoro timer.

    Farid Ahmadian

    1 user

  • Tanoshii Dictionary Search

    Tanoshii Dictionary Search

    Searches for the selected text in the Tanoshii Dictionary.

    Lukas Hein

    1 user

  • Campeon-AntiCheat

    Campeon-AntiCheat

    CampeonAntiCheat anti billiards cheat

    ENEMUSE

    1 user

  • BAPP

    BAPP

    A browser extension to complement the usage of BAPP platform.

    BAPP

    1 user

  • Generator Haseł

    Generator Haseł

    Proste rozszerzenie do generowania haseł

    Piotr Cuper

    1 user

  • Device Compatibility Tester

    Device Compatibility Tester

    Ensure your website looks great on any device. Test it on a range of mobile screens to guarantee a seamless user experience.

    Baccarat

    1 user

  • Treasure Chest

    Treasure Chest

    An (unofficial) chest of tools for making the Treasury Direct website easier to use.

    Ben Shaner

    1 user

  • Color Changer Extension

    Color Changer Extension

    Change the background color of webpages.

    kelwadi

    1 user

  • Memento - Notes

    Memento - Notes

    Simple notepad. One blank page to write quick notes.

    Valentin

    1 user

  • Shitbucket

    Shitbucket

    This plugin does absolutely nothing except turn the Bitbucket logo into a shitbucket.

    cthmlr

    1 user

  • SimpleHomepage

    SimpleHomepage

    This is just a Simple Homepage designed to show your favorites in a familiar fashion.

    Ben Carter

    1 user

  • Smart Tab Sorter

    Smart Tab Sorter

    Automatically sort and organise browser tabs with customisable priority rules Description: Keep your browser tidy with Smart Tab Sorter.

    Todacu

    1 user

  • Virtual to 'Virtual'

    Virtual to 'Virtual'

    The Virtual to 'Virtual' extension places all instances of the word virtual on each webpage within single inverted commas.

    Garrett Lynch IRL

    1 user