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899 extensions found in Web Development

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  • Script Menu

    Script Menu

    Select and run the registered JavaScript (userscript) from the menu. Works on Android as well as on PC. I developed this extension for Firefox for Mobile where the bookmarklets is not available. 登録したスクリプトをメニューから選択して実行します。Androidでも機能します

    yobukodori

    32 users

  • diffs.dev

    diffs.dev

    Adds a button to open diffs in the diffs.dev diff viewer.

    Jason Penilla

    32 users

  • Meta Viewport Adder

    Meta Viewport Adder

    Adds the meta viewport tag only to sites that don't have it.

    Heinrich Lunge

    32 users

  • mh-devtools

    mh-devtools

    Inspect network requests like DevTools

    mohamed

    32 users

  • JavaScript Playground ⚡ Online JS Compiler

    JavaScript Playground ⚡ Online JS Compiler

    **Write and run JavaScript code instantly.** Skip the setup and open a distraction-free playground with a single click. Test functions, debug concepts, or learn new features right in a dedicated popup. just pure, instant JS code execution.

    onyxwizard

    32 users

  • B312-939 Admin Tool

    B312-939 Admin Tool

    Band Selection and Antenna Settings without an Admin Access by Chris Laconsay

    test

    30 users

  • GitHub Repository Size

    GitHub Repository Size

    Displays the size of a GitHub repository on its homepage

    Pranav Mangal

    30 users

  • SiteIP

    SiteIP

    Displays the actual IP address of the server for the current site.

    VAAR

    30 users

  • Extract & Ask: AI Workflow Tool

    Extract & Ask: AI Workflow Tool

    Extract web content from any tab, prepend AI prompts, and paste instantly into ChatGPT, Gemini, Copilot and more. Local processing, zero tracking.

    Faisal Bhuiyan

    30 users

  • Purplemonkey2

    Purplemonkey2

    Just like Violentmonkey, but with more unsafe API.

    gholk

    29 users

  • ChatGPT → Markdown (Side Panel)

    ChatGPT → Markdown (Side Panel)

    Esporta conversazioni ChatExport ChatGPT conversations to Markdown with one click. Instantly copy from a clean in-page side panel. No tracking, no external cGPT in Markdown con un clic. Visualizza e copia il contenuto da una tendina laterale in-page.

    Luigi S

    29 users

  • EasyType Switcher

    EasyType Switcher

    Автоматическое исправление раскладки текста при наборе с большим выбором функций

    Artem

    29 users

  • One Click W3C Markup Validation

    One Click W3C Markup Validation

    Sends the current page to the W3C Markup Validation Service.

    tr-wp.com

    29 users

  • Export LocalStorage

    Export LocalStorage

    Exports LocalStorage data as a downloadable JSON file

    Soramie

    28 users

  • PG_Refresher

    PG_Refresher

    Refresh the website page based on your desired time.

    mohamad mansouri khojasteh

    28 users

  • Reading Progress Bar PRO

    Reading Progress Bar PRO

    Shows a customizable reading progress bar as you scroll through content

    Sumalya Chatterjee

    28 users

  • Image Replacer

    Image Replacer

    Replace images on pages with your own

    f3rufus

    28 users

  • ChatGPT Diagram Renderer

    ChatGPT Diagram Renderer

    Renders Diagrams, Chats, Mindmaps and other formats directly in the ChatGPT Webinterface, using the kroki.io API

    grayfallstown

    27 users

  • My Epitech Percentages (2025)

    My Epitech Percentages (2025)

    Show each project passing tests percentage on myresult.epitest.eu

    Esteban_

    27 users

  • Webpage Eraser

    Webpage Eraser

    Erase selected visible elements from the current webpage.

    Warren Bank

    27 users

  • Azure Tab Icons

    Azure Tab Icons

    Automatic browser tab icons for Azure

    Tom Plant

    27 users

  • WA Bulk Master

    WA Bulk Master

    Send bulk WhatsApp messages easily with one click. Manage contacts, automate messaging, and save time. Simple, fast, and efficient tool for marketing and communication.

    Babloo chauhan

    27 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

    26 users

  • GitHub Pages 404

    GitHub Pages 404

    Provides links to Owner's Profile and GitHub Repo on a GitHub Pages 404 page.

    Harsh Narayan Jha

    26 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

    26 users