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

Log in

15,274 extensions found in Other

Filter results
Search results
  • Comic Sansifier

    Comic Sansifier

    Comic Sansifier changes some fonts on websites to Comic Sans MS, adding a playful (and slightly annoying) twist to your browsing experience

    Trtractor1992

    1 user

  • Smart Anti-RickRoll

    Smart Anti-RickRoll

    Don't get Rick Rolled with this add-on

    nevernight

    1 user

  • Share Tabs with Gmail

    Share Tabs with Gmail

    Collects titles and addresses of open tabs and share them via Gmail.

    Hubisan

    1 user

  • RedForester SATEK summator

    RedForester SATEK summator

    Local and company specific extension to sum up nodes in knowledge graphs in RedForester services

    gmdidro

    1 user

  • Font Optimizer

    Font Optimizer

    Analyze and suggest optimal fonts for better performance and readability.

    Mitchell Miller

    1 user

  • Opale+

    Opale+

    Extension pour l'application Opale. Permet d'enrichir l'interface d'Op@le avec un menu d'outils. Aucune données ne sont transmises. Le fonctionnement est local.

    Yann

    1 user

  • Form Accessibility Checker

    Form Accessibility Checker

    Checks forms for accessibility issues and provides suggestions for improvement.

    James

    1 user

  • Contrast Checker Pro

    Contrast Checker Pro

    Ensure optimal contrast for better readability and accessibility.

    Edwin Morgan

    1 user

  • 空气质量监测

    空气质量监测

    显示选定中国城市的空气质量指数和温度，每隔30分钟刷新一次。

    laotang

    1 user

  • OrganizeGPT

    OrganizeGPT

    OrganizeGPT Lists, sorts, and search ChatGPT conversations by year and month for easy organization and quick access to past chats.

    Njorn

    1 user

  • Wisdom Illuminates

    Wisdom Illuminates

    A collection of quotes celebrating wisdom as the light that banishes ignorance.

    88Clb

    1 user

  • IITD Unified Login Assistant

    IITD Unified Login Assistant

    Automates login for IITD systems including Moodle, OAuth Kerberos, and Webmail

    z3r0c1ph3r

    1 user

  • SEOquake Extension

    SEOquake Extension

    A powerful SEO analysis tool that provides key metrics for web pages.

    Enien Lonca

    1 user

  • tabs-opened-button

    tabs-opened-button

    Toolbar button showing the number of tabs you have opened today.

    dietrich ayala

    1 user

  • You Reap What You Sow

    You Reap What You Sow

    A collection of quotes on karma, reflecting the inescapable law of cause and effect.

    WW88

    1 user

  • Image Copyright Checker

    Image Copyright Checker

    Checks if an image may be copyrighted using EXIF data.

    Hi Rian

    1 user

  • セリフサガシ

    セリフサガシ

    アニメのセリフを検索できる拡張機能です

    とらまる

    1 user

  • ETF & Mutual Fund Monitor

    ETF & Mutual Fund Monitor

    Track exchange-traded funds (ETFs) and mutual funds.

    ParkerRoger

    1 user

  • Google PageSpeed Insights V2

    Google PageSpeed Insights V2

    A Mozilla extension giving information about Google PageSpeed Insights V2.

    Kunin Jason

    1 user

  • HTML Valid

    HTML Valid

    HTML Valid is an extension that validates HTML pages in Firefox, providing instant feedback on errors through an easy-to-read icon.

    KÈO NHÀ CÁI

    1 user

  • YouTube Night Mode Scheduler

    YouTube Night Mode Scheduler

    Automatically enables YouTube's dark mode after 7 PM for a more comfortable viewing experience during the evening hours.

    NoahSherman

    1 user

  • YouTube Night Mode Scheduler Plus

    YouTube Night Mode Scheduler Plus

    Automatically enables YouTube's dark mode after 7 PM for a more comfortable viewing experience during the evening hours.

    TerenceWarner

    1 user

  • Quick Copy v2

    Quick Copy v2

    Hover and click to easily copy text from any web page.

    Yoandri

    1 user

  • Privacy Possum V2

    Privacy Possum V2

    Privacy Possum V2 - A lightweight extension to protect your online privacy by blocking trackers and reducing data leakage.

    Imon Yanc

    1 user

  • MySchoolApp Unweighted GPA Calculator

    MySchoolApp Unweighted GPA Calculator

    Calculates unweighted GPA for MySchoolApp.

    Landon

    1 user