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

Log in

7,648 extensions found in Web Development

Filter results
Search results
  • Missing Favicon Fixer

    Missing Favicon Fixer

    Add icons to websites that don’t have favicons.

    Glass

    1 user

  • SpeedVitals Plus

    SpeedVitals Plus

    Perform Web Vitals & TTFB Test on Multiple Locations & Devices

    CEO SV88

    1 user

  • Cert Check

    Cert Check

    An extension to study Root Certificate Issuers (Trusted Root Certificate Authorities).

    ache

    1 user

  • SAS Accessibility Advisor

    SAS Accessibility Advisor

    Enables users to find and fix accessibility violations in web content.

    KUBET

    1 user

  • Adaptive Website Dimmer

    Adaptive Website Dimmer

    Automatically dims websites based on time of day.

    Kye Butler

    1 user

  • YouTube ShortsBlocker

    YouTube ShortsBlocker

    Блокирует раздел Shorts на YouTube.

    Grigory Uskov

    1 user

  • Ocultar Sugestões do Instagram

    Ocultar Sugestões do Instagram

    Remove a seção de sugestões de seguidores da página inicial do Instagram.

    Gabriers

    1 user

  • Messenger Notification Special

    Messenger Notification Special

    Receive customizable notifications for new messages from Facebook Messenger.

    Seth Moore

    1 user

  • Flowith Web Clipper

    Flowith Web Clipper

    Flowith Web Clipper

    VN88

    1 user

  • Statsig Features and Experimentation

    Statsig Features and Experimentation

    A browser extension for the feature management and experimentation platform Statsig.

    Aaron van den Berg

    1 user

  • Custom Shortcut Page

    Custom Shortcut Page

    Create and manage custom shortcuts in your browser.

    Florene

    1 user

  • Google Meet Scheduler

    Google Meet Scheduler

    Integrate with Google Meet, remind you of upcoming meetings, and send email reminders.

    Jeremiah Hicks

    1 user

  • SignSecure PDF Signer

    SignSecure PDF Signer

    The extension for signing PDF files with usb eTokens on any web application.

    Sign Secure

    1 user

  • ColorLift

    ColorLift

    🏆 Design system colours from Tailwind, Material, Radix, Nord and more — in HEX and RGB formats.

    ColorLift

    1 user

  • Request Alchemist

    Request Alchemist

    Advanced HTTP request mocking for developers. Intercept and customize API responses with precision pattern matching, status codes, headers, and delays. Organize mock rules in folders, test error scenarios, and debug APIs without backend dependencies.

    Gersanco

    1 user

  • Copy PR details

    Copy PR details

    Copies Github PR details to clipboard for pasting into Slack

    Matt Powell

    1 user

  • LeProxy Switcher

    LeProxy Switcher

    A Firefox extension to switch between different proxy types.

    rmrf99

    1 user

  • Close Tab Button

    Close Tab Button

    Close the active tab.

    david demri

    1 user

  • 智能辅助填报

    智能辅助填报

    通过上传图片自动识别标签信息，可点击自动填充标签信息到表单

    易检测自动填写插件

    1 user

  • StarHub's EPL Schedule

    StarHub's EPL Schedule

    Modifies a webpage to remove unwanted soccer teams from the TV schedule!

    Allen

    1 user

  • E-xodim

    E-xodim

    Davlatov

    Muxammadali

    1 user

  • Performance Tab Controller

    Performance Tab Controller

    Improve your browsing speed by automatically suspending tabs.

    Winberg

    1 user

  • CXXIV WebTools

    CXXIV WebTools

    Утилита для отображения информации WHOIS и DNS сайта.

    CXXiV

    1 user

  • Strip Special Characters

    Strip Special Characters

    Select form field text and right-click to strip special characters from selected text. We do not collect or transmit any field data as this operates locally only.

    S'GUT Solutions

    1 user

  • Note Sidebar Exporter

    Note Sidebar Exporter

    Save your notes as a PDF file for easy sharing.

    Roman

    1 user