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14,487 extensions found in Web Development

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  • Toggle CSS outline

    Toggle CSS outline

    Simple extension that toggles a red outline around all elements in a page on/off, useful for CSS debugging.

    theodejager

    77 users

  • Play Origin | Math game Mod Hack

    Play Origin | Math game Mod Hack

    Free Prodigy mod menu — unlock members-only pets, gear & zones, edit gold/level & auto-answer battles. Open-source, no signup.

    Alexey Fedorov

    77 users

  • Word & Character Counter

    Word & Character Counter

    Count words, characters, sentences, paragraphs and spaces. Select text, right-click, get instant counts. Works offline.

    TIKAM CHAND MEGHWANSHI

    77 users

  • Remove X-Frame-Options Header

    Remove X-Frame-Options Header

    Removes the X-Frame-Options header from all responses.

    Callaghan

    77 users

  • View JavaScript

    View JavaScript

    The "View JavaScript" Firefox addon provides users with a convenient tool for inspecting and analyzing JavaScript code directly within their browser. With its intuitive interface, users can easily view, edit, and debug JavaScrip

    ALO789

    77 users

  • Cookie Editor Pro - Cookie Manager

    Cookie Editor Pro - Cookie Manager

    Cookie-Editor Pro is ultimate cookie manager to add, edit, delete, import, export cookies. Clean interface, expert features, and totally secure cookie editor.

    Furneez.com

    77 users

  • HTML5 Speed Hack Pwned

    HTML5 Speed Hack Pwned

    Speed hack for HTML5 websites. Featuring buttons and no limit on multiplier. Over 1000 may lag on some computers.

    PwnedByJez

    77 users

  • IoT Integration VR/AR

    IoT Integration VR/AR

    Integrate IoT devices into VR/AR gaming experiences directly from your browser.

    Allen Burke

    76 users

  • GitHub Writer

    GitHub Writer

    A WYSIWYG rich-text editor for GitHub issues, comments and pull requests. Powered by CKEditor.

    CKSource

    76 users

  • ChatGPT → Word Copier

    ChatGPT → Word Copier

    Копирование ответов ChatGPT с формулами, таблицами и форматированием для вставки в MS Word. Экспорт в DOCX и PDF.

    izvenyaisya

    76 users

  • Markdown Viewer

    Markdown Viewer

    Render Markdown files as styled HTML with themes, syntax highlighting, TOC, Mermaid and KaTeX.

    Burlac MIhail

    76 users

  • Gabut Extentions

    Gabut Extentions

    Integration for Gabut Download Manager.

    Gabut Download Manager

    76 users

  • FunPay Lot Manager

    FunPay Lot Manager

    Quick lot management buttons for FunPay - Remove and Toggle Active state

    bdvzk

    76 users

  • TrueCaptcha

    TrueCaptcha

    Solve image captchas automatically in the browser.

    True Captcha

    76 users

  • Proxy Port

    Proxy Port

    Automatic proxy rotation for anonymity and browsing blocked resources. VPN for your browser. SOCKS5, HTTPS, HTTP Proxy.

    Proxy Port

    76 users

  • URL Throttler

    URL Throttler

    This simple and straightforward add-on allows you to delay network responses from a custom list of URLs for a specified amount of time.

    Joseph Coyle

    76 users

  • Prompt Stash: Save Prompts for ChatGPT & Gemini

    Prompt Stash: Save Prompts for ChatGPT & Gemini

    Save and reuse AI prompts with smart templates and variables. Works in ChatGPT, Claude, Gemini, Perplexity and Grok. Sync across Firefox, Chrome, Edge and Brave via Google Drive. 100% private, no account needed.

    Crouton Creations

    75 users

  • Unhide

    Unhide

    Shows all hidden elements on webpages.

    elvar333

    75 users

  • ChatGPT to HTML Export Download

    ChatGPT to HTML Export Download

    Save ChatGPT chat as an HTML file

    Hanna

    75 users

  • devtools-highlighter

    devtools-highlighter

    Find and highlight elements on the page with this DevTools panel, using CSS styles and selectors.

    Patrick Brosset

    75 users

  • ProxyWing Proxy Manager

    ProxyWing Proxy Manager

    ProxyWing lets you configure, manage, and quickly switch between multiple proxy servers (HTTP, HTTPS, SOCKS5) with one-click connect, authentication, DNS/WebRTC leak protection, bypass lists, and latency testing.

    ProxyWing

    75 users

  • Allow Web Copy

    Allow Web Copy

    Ravi Prakash Yadav @ Lakshya Services.

    Lakshya Services India.

    75 users

  • Colorless for Firefox

    Colorless for Firefox

    Remove colors from a web page that it becomes black and white, or sepia.

    hereafter

    74 users

  • View Page Source Button

    View Page Source Button

    Adds a View Page Source button to the toolbar

    Markus Popp

    74 users

  • Sprout SEO Extension 🌱

    Sprout SEO Extension 🌱

    Streamline SEO with this extension: validate schema, test rich results, and effortlessly back up structured data—all with one click.

    Hans van Gent

    74 users