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11,708 extensions found in Web Development

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  • MiOffice File Tools

    MiOffice File Tools

    66+ file tools — PDF, image, video, AI. Compress, convert, merge, resize, remove backgrounds. All local processing.MiOffice brings 66+ browser-based file processing tools to Firefox. Right-click any image to compress, resize, convert, or remove

    JayMiOffice

    5 users

  • unsight

    unsight

    Detect duplicate GitHub issues, areas of concern and more across related repositories

    danielroe

    5 users

  • fbTimestamp

    fbTimestamp

    Shows the Facebook timestamp on hover in dd:mm:yyyy, HH:MM:SS

    BlackWW

    5 users

  • WhatsTheTech

    WhatsTheTech

    An addon for web browser to identify the technology, such as WebServer, JavaScript Library, WebAPI and WebFramework, used by websites.

    JasonBian

    5 users

  • HAR/JSON viewer 88

    HAR/JSON viewer 88

    Visualizes HTTP Archive (HAR) files opened locally or online. Also features JSON tree view for HAR and any structured JSON files.

    WW88 - NHÀ CÁI UY TÍN MỚI NHẤT 2025

    5 users

  • Rob's Code Injector

    Rob's Code Injector

    Inject custom JavaScript, CSS, and HTML into web pages by URL rules.

    Rob Omer

    5 users

  • One Click SEO Checker

    One Click SEO Checker

    Access all important SEO score with one click!

    Minigame Sodo66

    5 users

  • Live Resource Override

    Live Resource Override

    Override JS, CSS, and API responses in your browser for safe debugging — without touching production.

    Sapan

    5 users

  • ContextGPT2

    ContextGPT2

    A Firefox addon that extracts webpage content and generates AI-ready prompts for use in any AI chat application.

    Faisal Bhuiyan

    5 users

  • Aegis

    Aegis

    Un bouclier de protection avancé qui rend votre empreinte numérique anonyme en imitant des profils d'appareils courants.

    Yahya

    5 users

  • Stylerific

    Stylerific

    Stylerific is a plugin that gives users the ability to add custom CSS to their favorite webpages, on a per-domain basis.

    Ron Rider Jr.

    5 users

  • Loremizer

    Loremizer

    Ever wanted to screenshot a website but couldn't because of some sensitive data. Or fill a long form with dummy data? Loremizer is here. Simply click & lorem-ipsum-ize any website. Disclaimer: This extension stores no data at all from any website.

    Kushagra Gour

    5 users

  • Linux Commands

    Linux Commands

    Efficiently search and browse by category 200+ Linux commands. Copy command examples instantly. Safe offline functionality, no data collection. Introduces the clear structure of Linux commands, also answering the question: Why Linux?

    Libor Benes (Dr. B)

    5 users

  • ClipboardHistory

    ClipboardHistory

    Extension for storing clipboard history (text and images).

    Grigory Uskov

    5 users

  • QR Code Generator

    QR Code Generator

    Quickly generate QR codes from text or clipboard. Customize size and color. Right-click to save as PNG.

    fmmido

    5 users

  • Field Autofill Pro

    Field Autofill Pro

    Automatically fills out any text or email field with customizable data.

    Joana

    5 users

  • AI Chat Backup

    AI Chat Backup

    AI聊天备份 – 轻松归档主流AI平台对话

    xhbuming

    5 users

  • Image Convert and Download

    Image Convert and Download

    Allows to download svg and images in different formats

    Haseebeqx

    5 users

  • URL Shorten

    URL Shorten

    Shorten URLs using is.gd, v.gd, or TinyURL services

    thuyydt

    5 users

  • SEO Health Checker - On-Page SEO Audit

    SEO Health Checker - On-Page SEO Audit

    Analyze on-page SEO health for any webpage. Check meta tags, headings, links, schema, images, keyword density, and SEO Health score.

    Alimam Miya

    5 users

  • AraKey: Arabic Virtual Keyboard

    AraKey: Arabic Virtual Keyboard

    A professional Arabic Virtual Keyboard for typing in any input field.

    Hamid Fenzi

    5 users

  • Crypto Currency Converter

    Crypto Currency Converter

    Daily rate crypto and fiat currency converter powered by exchangerate-api.com and api.coingecko.com. Fork of Currency Converter.

    papich

    4 users

  • Vietnamese Typing

    Vietnamese Typing

    Type Vietnamese with Telex, VNI, VIQR or Auto methods using VietUni. Toggle with double Ctrl press or popup. Seamless input for text fields.

    ntxinh

    4 users

  • Word Counter v11

    Word Counter v11

    Counts words on any webpage

    exodus llc

    4 users

  • Backlog Notification Extension

    Backlog Notification Extension

    Backlog のお知らせをメニューバーから通知・確認できる Web Extension です

    lollipop.onl

    4 users