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12,150 extensions found in Web Development

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  • HTML Tags Detector

    HTML Tags Detector

    Detect a web page elements by clicking the element name in sidebar. It's a good tool to check the overlapped elements on the page.

    WordPress Mechanic

    21 users

  • Third-party Request Blocker

    Third-party Request Blocker

    Запрос политики (RequestPolicy) для Quantum. Запретите вашему браузеру подключаться к сторонним ресурсам без согласия пользователя.

    Отображаемое имя

    21 users

  • Proxy Switcher

    Proxy Switcher

    Selectively apply proxy servers to specific domains. All settings are stored locally and no data is collected or transmitted externally.

    seT

    21 users

  • ImageSlim: Image Resizer

    ImageSlim: Image Resizer

    Instantly resize and optimize images in your browser. Save storage space and improve website loading times with just a few clicks.

    Getinfotoyou

    21 users

  • DITM

    DITM

    DITM: Developer In The Middle is an extension that allows you to modify the web server's response in place, to investigate the issues on web site.

    arai_a

    21 users

  • tldr pages

    tldr pages

    Collaborative cheatsheets for console commands (tldr project) now in your Browser! A browser extension for tldr-pages (collaborative cheatsheets for console commands).

    piraces_

    21 users

  • Request Delayer

    Request Delayer

    Request Delayer is a Firefox add-on designed to intercept and delay web requests based on user-defined URL patterns and delay timings.

    Anas AMEZIANE

    21 users

  • Global Dark Style

    Global Dark Style

    A configure dark theme with exception list to change everything to real dark

    Lunu

    21 users

  • Remove Duplicated Linebreaks from Text Area

    Remove Duplicated Linebreaks from Text Area

    Provides a context menu item to remove duplicated linebreaks, on a text area.

    Piro (piro_or)

    21 users

  • ChatGPT Search For FF

    ChatGPT Search For FF

    Change default search engine to ChatGPT search. ChatGPT Search For FF integrates ChatGPT's AI capabilities directly into your browser's search functionality, providing intelligent, conversational responses alongside traditional search results.

    David Mir

    21 users

  • Compare Text

    Compare Text

    This extension allows you to compare / diff text just in your browser! Free and Open Source

    Danil

    21 users

  • SVG Collector

    SVG Collector

    Collect and display SVGs from the current page.

    Emre Birkan Kervan

    21 users

  • MultiView - Tab Manager

    MultiView - Tab Manager

    Arrange multiple tabs side by side with dark glassmorphism style

    Sumalya Chatterjee

    21 users

  • Microformats Reader

    Microformats Reader

    Displays microformat data from the active page.

    Michael Beaton

    21 users

  • TableShot

    TableShot

    Select and copy table as rich text, HTML, tab-delimited and CSV.

    Francesco De Stefano

    20 users

  • Set Cookie: No secure - No HttpOnly

    Set Cookie: No secure - No HttpOnly

    Disable 'Secure' & 'HttpOnly' in set-cookie header

    ThomazPom

    20 users

  • Username Generator

    Username Generator

    Generate Username

    Username_Generator

    20 users

  • Markdown Viewer Plus

    Markdown Viewer Plus

    Preview Markdown files directly in the browser with additional useful features.

    Sunwin100 Net

    20 users

  • MDN Language Redirector

    MDN Language Redirector

    Browse MDN in your preferred language.

    Timon van Spronsen

    20 users

  • WebExtension X-Ray

    WebExtension X-Ray

    Right click on addons.mozilla.org and you will see the source code of the extension

    Andrei Petcu

    20 users

  • PQSpy

    PQSpy

    Shows whether the connection was protected with post-quantum encryption. Requires turning on security.tls.enable_kyber and network.http.http3.enable_kyber in about:config.

    Bas Westerbaan

    20 users

  • Youtube Search Filters

    Youtube Search Filters

    Filter for youtube search

    alpadnan07

    20 users

  • table-sort-js

    table-sort-js

    Make the tables of websites you visit sortable!

    Lee Wannacott

    20 users

  • Front End Framework

    Front End Framework

    This is a framework for Web Extensions, so you can deploy one quickly without any frond-end work

    senorsunday

    20 users

  • Tail Lens for Tailwind: Edit Visually

    Tail Lens for Tailwind: Edit Visually

    Inspect. Edit. Build. Tailwind, right in your browser.

    CMW Labs

    20 users