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897 extensions found in Web Development

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  • Better Page Ruler

    Better Page Ruler

    Draw, resize, drag and move a ruler box on any webpage.

    Sayedul Sayem

    31 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

    31 users

  • Meta Viewport Adder

    Meta Viewport Adder

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

    Heinrich Lunge

    31 users

  • Purplemonkey2

    Purplemonkey2

    Just like Violentmonkey, but with more unsafe API.

    gholk

    30 users

  • B312-939 Admin Tool

    B312-939 Admin Tool

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

    test

    30 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

    30 users

  • Accessibility Visualizer

    Accessibility Visualizer

    Visualize important accessibility properties (accessible names, heading levels, form labels etc).

    ymrl

    30 users

  • diffs.dev

    diffs.dev

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

    Jason Penilla

    30 users

  • mh-devtools

    mh-devtools

    Inspect network requests like DevTools

    mohamed

    30 users

  • GitHub Repository Size

    GitHub Repository Size

    Displays the size of a GitHub repository on its homepage

    Pranav Mangal

    29 users

  • Reading Progress Bar PRO

    Reading Progress Bar PRO

    Shows a customizable reading progress bar as you scroll through content

    Sumalya Chatterjee

    29 users

  • Image Replacer

    Image Replacer

    Replace images on pages with your own

    f3rufus

    29 users

  • LocalStorage Editor Mobile Material

    LocalStorage Editor Mobile Material

    A sleek, touch-optimized tool to view, edit, and manage website storage data right from your smartphone.

    Shawon2901

    29 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

    28 users

  • Export LocalStorage

    Export LocalStorage

    Exports LocalStorage data as a downloadable JSON file

    Soramie

    28 users

  • My Epitech Percentages (2025)

    My Epitech Percentages (2025)

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

    Esteban_

    28 users

  • PG_Refresher

    PG_Refresher

    Refresh the website page based on your desired time.

    mohamad mansouri khojasteh

    28 users

  • One Click W3C Markup Validation

    One Click W3C Markup Validation

    Sends the current page to the W3C Markup Validation Service.

    tr-wp.com

    28 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

    27 users

  • Domain Age Check

    Domain Age Check

    Domain age checker is a whois tool / extension developed by Cynexium (Umar) for checking any domain's age

    Umar

    27 users

  • IP Tracker

    IP Tracker

    The Extension displays the IP address and flag of the associated country...

    Tatami-web

    27 users

  • Autoclicker HTML Extension

    Autoclicker HTML Extension

    Automatically clicks an HTML element by tag and text. Search for elements that may appear later (like popups) and click them automatically.

    rahul

    27 users

  • GitHub Markdown Exporter

    GitHub Markdown Exporter

    Export GitHub issues and discussions to markdown format

    fefedu973

    26 users

  • Azure Tab Icons

    Azure Tab Icons

    Automatic browser tab icons for Azure

    Tom Plant

    26 users

  • Proxy-Switch

    Proxy-Switch

    For I need a rock solid functional proxy switch, this add-on comes out. It is implemented totally in Rust language and compile to WebAssembly to make it fastest to run and solid to work with a modern frosted glass UI. No ads, no payment, just works.

    loki4agent

    26 users