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9,788 extensions found in Web Development

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  • CookieSwap

    CookieSwap

    Tool to save and swap out a collection of cookies on the fly that allows implement multilogin feature

    ExtUp

    276 users

  • gRPC-Web Developer Tools

    gRPC-Web Developer Tools

    gRPC-Web Developer Tools for debugging application's gRPC-Web network requests.

    SafetyCulture

    276 users

  • Keeper Wallet

    Keeper Wallet

    Your entry point to the Waves blockchain and Waves-powered web services

    Waves Technologies

    275 users

  • DNS lookup - HTTP status

    DNS lookup - HTTP status

    Analyze domain dns zone and http status.

    PlanetHoster

    273 users

  • Auto Save HTML

    Auto Save HTML

    Auto Save HTML is a small extension which can be used to automatically download the HTML document(s) of a specified website when browsing that same website.

    nunoarruda

    272 users

  • FlexHeaders - Modify HTTP Headers

    FlexHeaders - Modify HTTP Headers

    A lightweight yet powerful extension to modify HTTP headers on the fly. Unleash the power of FlexHeaders, the ultimate extension for developers and security-conscious users

    Harrison Deo

    271 users

  • ScriptCat Beta

    ScriptCat Beta

    Everything can be scripted, allowing your browser to do more!

    王一之

    271 users

  • ChatGPT Sidebar

    ChatGPT Sidebar

    Open ChatGPT in the sidebar

    EcksDy

    269 users

  • Open in Opera

    Open in Opera

    Open current page, link, or all tabs in the Opera browser.

    Andy Portmen

    269 users

  • Ghost Inspector - Web Test Recorder

    Ghost Inspector - Web Test Recorder

    Ghost Inspector is an automated browser testing service. Our add-on allows you to record yourself performing actions on your website within your browser, then sync them to the Ghost Inspector service and run them continuously as a regression test.

    Ghost Inspector

    268 users

  • Awesome Timestamp

    Awesome Timestamp

    Convert timestamps to datetime and datetime to timestamps.

    WebIT-Service

    267 users

  • ChatGPT to Markdown

    ChatGPT to Markdown

    Convert ChatGPT, Claude.ai, Mistral.ai conversations to Markdown (.md) files

    Ihor Lifanov

    267 users

  • HTML5 Universal Speed Hack

    HTML5 Universal Speed Hack

    Speed up or slow down HTML5 and Unity games directly in the browser. Control functions like setTimeout, setInterval, Date.now, and more to precisely adjust game speed.

    Rafael Lima

    267 users

  • Copy as Python Requests

    Copy as Python Requests

    Copy requests from the devtools network panel as Python requests code for fast traffic mimicing.

    Peace-Maker

    267 users

  • Link Control

    Link Control

    Adjust the color of your previously viewed links.

    John Datserakis

    267 users

  • Loadster Recorder

    Loadster Recorder

    Create test scripts to run in Loadster.

    Loadster

    266 users

  • WaybackURL

    WaybackURL

    Fetch all the URLs that the Wayback Machine knows about for a domain

    Hossein Shourabi

    266 users

  • Domaines Tiers Contactés et requêtes associées

    Domaines Tiers Contactés et requêtes associées

    Tous trackés… mais ou moins vous le savez. Avec cette extension Domaines Tiers Contactés (DTC pour les intimes) regardez quels sont les domaines tiers contactés par les sites que vous visitez, avec des compteurs journaliers et hebdomadaires.

    Gavois Sébastien

    266 users

  • URL2QRCode

    URL2QRCode

    Converts Current URL to QRCode.

    Firefox user 13535997

    266 users

  • Xdebug Starter

    Xdebug Starter

    A Firefox extension that allows you to start the debugging session with one click. Works with XHR and normal full requests. You can start debugging, tracing, profiling and change the idekey. Built using the new WebExtensions API.

    raicem

    265 users

  • Try IT Yourself HTML5 editor

    Try IT Yourself HTML5 editor

    Fast & offline editor for your HTML5 web apps and experiments

    Francesco De Stefano

    265 users

  • PageRank Replacement by LinkResearchTools

    PageRank Replacement by LinkResearchTools

    The LRT Power*Trust metric helps you evaluate the quality and trustworthiness of a domain or page you are currently visiting.

    LinkResearchTools GmbH

    265 users

  • HTTP Header Spy

    HTTP Header Spy

    HTTP Header Spy enables you to inspect request- response headers and cookies right after page load with no extra clicks.

    Michiel Roos

    264 users

  • Toggle View Source

    Toggle View Source

    Toggle 'view-source:' on the current URL to view or revert the page source code.

    Salvatore Noschese

    264 users

  • DOMLogger++

    DOMLogger++

    DOMLogger++ allows you to monitor, intercept, and debug JavaScript sinks based on customizable configurations.

    Kévin (Mizu)

    264 users