To use these add-ons, you'll need to download Firefox.

Log in

13,784 extensions found in Web Development

Filter results
Search results
  • alt-text-ai-cheyytec

    alt-text-ai-cheyytec

    Right-click any image to generate accessible, SEO-friendly alt text with AI. Bring your own free API key — no account, no per-image fees. Pro adds bulk page scanning and CSV export.

    cheyytec

    0 users

  • Cheaty

    Cheaty

    Extention for the web that feels illegal

    Nicolas Renault

    0 users

  • UTF Finder

    UTF Finder

    Click on any element to get the xPath

    Yu

    0 users

  • ThemeChanger

    ThemeChanger

    A Firefox extension to change the theme of a webpage.and you can change the theme dark or light mode

    Arnav Bhardwaj

    0 users

  • Image Resize

    Image Resize

    AI Image Resizer by AI-Nanobanana.com. Instantly resize any web or local image with smart, AI-driven optimization to minimize distortion. Fast, private, and perfect for developers and content creators. Resize images without losing quality.

    Yuni

    0 users

  • TrackMeck – Webseiten Ressourcen-Tracker & CSV-Exp

    TrackMeck – Webseiten Ressourcen-Tracker & CSV-Exp

    Tracke alle geladenen Ressourcen, API-Calls & Assets auf einer Webseite – mit CSV-Export für Analyse & Sicherheit.

    M2-Fusin

    0 users

  • Game Trends Explorer

    Game Trends Explorer

    Game Trends Explorer helps users manage game keyword roots and open selected keywords in Google Trends.

    zhou yang

    0 users

  • Smart RTL Fix Ultra

    Smart RTL Fix Ultra

    Ultra-stable RTL fix for Persian/English mixed text in AI chats

    pooua purmirzay

    0 users

  • Devtoolster

    Devtoolster

    Devtoolster is a browser extension that lets web applications register custom panels directly inside the browser's built-in DevTools — no overlays, no query-parameter hacks, just a clean panel alongside the native tools.

    Timo Reymann

    0 users

  • CSS Ghost

    CSS Ghost

    Click anything on any page to change colors, fonts, corners, spacing, and more. Styles persist forever.

    Hudson

    0 users

  • Royal Vault – Passkey & 2FA

    Royal Vault – Passkey & 2FA

    Offline passkey and 2FA vault: create and sign in with WebAuthn, encrypt locally, backup/export. Optional Telegram alerts you configure yourself

    Royal

    0 users

  • TabVault

    TabVault

    Save, organize, and restore browser sessions. Never lose context again.

    Futuresoft

    0 users

  • Plainly

    Plainly

    Turns coded text into plain text on Reddit and any site you add.

    27mfp

    0 users

  • remove-json-prefix

    remove-json-prefix

    Remove JSon highjacking prefix

    ncoif

    0 users

  • GAS Exporter

    GAS Exporter

    Export Google Apps Script projects directly from the editor.

    ASAPLUKK

    0 users

  • Global Toolbox - Free Web Utilities

    Global Toolbox - Free Web Utilities

    Free BMR, SIP, and Utility Calculators.

    Global Tool Box

    0 users

  • Full Page Shot – Stitch & Save PNG

    Full Page Shot – Stitch & Save PNG

    Chụp ảnh toàn trang (cuộn & ghép) hoặc vùng hiển thị. Có popup & menu chuột phải.

    f168dluknet

    0 users

  • Phát hiện Font chữ Website

    Phát hiện Font chữ Website

    Rê chuột để phát hiện font chữ (font-family), kích thước, độ đậm và line-height của văn bản trên mọi website.

    Công nghệ Toàn cầu Homie

    0 users

  • Word Counter Popup

    Word Counter Popup

    Count words and characters directly in the browser popup.

    Vu Le

    0 users

  • Copy Tab fo

    Copy Tab fo

    Copy title and URL of current or all tabs as text or Markdown.

    nk88icom

    0 users

  • Flow Tabs Pro

    Flow Tabs Pro

    Advanced tab management with session saving, duplicate detection, and intelligent organization

    Catalyst Tools

    0 users

  • TryHackMe Utilities

    TryHackMe Utilities

    Extra utilities for TryHackMe rooms, starting with full room leaderboards.

    The Duck

    0 users

  • YouTubeSpeedControl by tass_co

    YouTubeSpeedControl by tass_co

    YouTube videolarının oynatma hızını değiştiren bir eklenti.

    Hasan Tahsin

    0 users

  • ChatGPT Search Revealer

    ChatGPT Search Revealer

    Makes ChatGPT reveal every hidden web search query it runs before answering your question.

    Clawd Mendoza

    0 users

  • CopyFonty – Font Detector

    CopyFonty – Font Detector

    Professional font detector. Inspect typography, copy CSS, detect Google Fonts, and export styles from any webpage.

    shahbakht

    0 users