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1,150 extensions found in Web Development

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  • Night Shift

    Night Shift

    Invert page colors for comfortable night browsing

    Sevyn Ramirez

    27 users

  • FontOverride

    FontOverride

    Override page fonts with a custom Google Font for better reading

    Medyzad

    27 users

  • Site Blocker

    Site Blocker

    Block distracting websites to stay focused and productive

    Serafim Mijo

    27 users

  • SenecaDone⏰️

    SenecaDone⏰️

    Never have to do homework again, SenecDone will do seneca assignments at the click of a button

    senecdone (Dean)

    27 users

  • YAML Pretty

    YAML Pretty

    Format and validate YAML configuration files instantly

    sbiuoh

    26 users

  • CSP Bypass For Testing

    CSP Bypass For Testing

    Relax CSP Headers To Enable External Scripts And API Requests, For Development And Testing Only.

    Developer

    26 users

  • Export LocalStorage

    Export LocalStorage

    Exports LocalStorage data as a downloadable JSON file

    Soramie

    26 users

  • FoxyPGP

    FoxyPGP

    PGP integration for web browsers

    FoxRefire

    26 users

  • Password Generator

    Password Generator

    Generate strong random passwords with custom options

    Kamiya

    26 users

  • Net Monitor

    Net Monitor

    Monitor network requests made by the current webpage

    lucafern

    26 users

  • WCAG Contrast

    WCAG Contrast

    Verify AA AAA color accessibility contrast ratios

    Sullivanolson

    26 users

  • Request Spy

    Request Spy

    Inspect and filter live HTTP requests from the active tab

    lucafern

    26 users

  • Chameleon-new

    Chameleon-new

    Spoof your browser profile. Includes a few privacy enhancing options.

    chameleon legacy

    26 users

  • PC Addons for Android

    PC Addons for Android

    Always show the desktop version of AMO in Firefox for Android.

    FoxRefire

    26 users

  • StrawPage Frames

    StrawPage Frames

    The extension works only on *.straw.page websites and allows for image upload and processing.

    Konrad

    26 users

  • Git Reference

    Git Reference

    Browse categorized Git commands and copy them instantly

    ayleen azazel

    25 users

  • Deadline Watch

    Deadline Watch

    Set deadlines and watch countdowns tick in real time

    TannhDeina

    25 users

  • Page Progress

    Page Progress

    Live reading progress indicator for long web pages

    ylidedex

    25 users

  • Header Spy

    Header Spy

    Inspect HTTP response headers for any URL with one click

    xbq666

    25 users

  • Unga Bunga User-Agent

    Unga Bunga User-Agent

    an extension for user agent spoofing with always up-to-date user agents and some nice features

    ShrekBytes

    25 users

  • RobotsGen

    RobotsGen

    Generate a robots.txt file with a visual rule builder and common presets

    EllyaMelia

    25 users

  • Site Cookies

    Site Cookies

    Browse search and remove cookies for any domain

    Jeff Peck

    25 users

  • Script for Me

    Script for Me

    A tiny userscript manager. Injects JavaScript code (and CSS code) into a page. A simple wrapper for the browser.contentScripts API. Works on Android as well as on PC. ウェブページにスクリプト（CSSも可）を注入する拡張機能。browser.contentScripts APIの単純なラッパー。Androidでも機能します。

    yobukodori

    25 users

  • Ratio Calc

    Ratio Calc

    Find missing width or height from aspect ratio instantly

    stella gislaine

    25 users

  • Cookie Viewer

    Cookie Viewer

    Inspect and delete cookies set by the current site

    Jeff Peck

    25 users