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

Log in

11,576 extensions found in Web Development

Filter results
Search results
  • HTML, CSS, JS Validator

    HTML, CSS, JS Validator

    The utility checks and fixes HTML, CSS, and JavaScript errors on websites.

    Martin Sullivan

    1 user

  • Fetch Response Modifier

    Fetch Response Modifier

    Modifies the response from fetch requests to specific URLs.

    my personnel extension

    1 user

  • Slack & Discord Conversation Extractor

    Slack & Discord Conversation Extractor

    Extract conversation data from Slack channels and Discord servers

    Gabriel

  • Qfiller

    Qfiller

    Automatically fill form fields with realistic data for testing and development. Save time with one-click form population. Perfect for developers, testers, and QA professionals.

    Idrees Kema

    1 user

  • Focused Workspaces

    Focused Workspaces

    Keep only relevant tabs visible by working inside dedicated workspaces.

    Mariam

  • MAC Lookup Tool Pro

    MAC Lookup Tool Pro

    Outil professionnel pour rechercher les constructeurs d'équipements réseau via adresses MAC et générer des adresses MAC. Base OUI complète, menu contextuel, surlignage, thème sombre. Pour admins réseau et pros IT.

    Dev

    1 user

  • Lab Partner

    Lab Partner

    Simple web extension to help manage Gitlab merge requests. Formally Gitlab Buddy

    Omar Sarhan

    1 user

  • GSC Helper by searchanalyzer.io

    GSC Helper by searchanalyzer.io

    Streamlines your Google Search Console workflows. Data aggregation, quick-links and much more.

    searchanalyzer

    1 user

  • Smart Form Filler

    Smart Form Filler

    Fill forms in one click. Capture inputs as profiles, auto-fill anywhere, or generate safe fake data — all stored locally.

    karthick

    1 user

  • Favicon Detector Pro

    Favicon Detector Pro

    Click the extension button to detect current website's icons.

    PG88

    1 user

  • ShortcutPaste

    ShortcutPaste

    Quick paste favorite clipboard item

    KhanhRomVN

    1 user

  • AltGen

    AltGen

    OpenAI powered alt text generator. Provides context menu on images to start a11y (accessibility) improvement workflow for (Wordpress) websites image alt texts. It can update the image alt text in Media Library and optionally propagate site-wide.

    Tomáš "Thebys" Biheler

    1 user

  • Link Cleaner (Remove UTM)

    Link Cleaner (Remove UTM)

    Remove common tracking parameters (utm_*, fbclid, gclid, etc.) from the current tab URL with one click.

    TX88

    1 user

  • EzWei - ETH Wei Converter

    EzWei - ETH Wei Converter

    Convert between Ethereum units (Wei, Gwei, Ether)

    Megat

    1 user

  • Jira Instant Update

    Jira Instant Update

    Instantly see Jita ticket updates.

    Yury Ershov

    1 user

  • Azure VM Manager

    Azure VM Manager

    Provides a convenient way to start or deallocate an azure VM using an automation runbook, webhook and this plugin.

    Sebastiaan

    1 user

  • ClipFast

    ClipFast

    Adds a 'Copy URL' button to copy any URL from the address bar in One Click

    Kxvin

    1 user

  • Lorem Ipsum Auto-Insert

    Lorem Ipsum Auto-Insert

    Automatically replaces lorem[number]; with lorem ipsum text in any input field. Supports paragraphs and WordPress editors.

    Borys Pidperygora

    1 user

  • Scroll Speedo

    Scroll Speedo

    Control webpage scroll speed

    Exodus

    1 user

  • Reading Mode Pro

    Reading Mode Pro

    Improve text readability by optimizing contrast and brightness.

    Perrotti

    1 user

  • Gmail Alias Toolkit

    Gmail Alias Toolkit

    A powerful browser extension for generating and managing Gmail aliases using plus addressing (+tag). Streamline your email workflow with smart presets, favorites, context menus, and Gmail tricks.

    David Nguyen

    1 user

  • Advanced Color Picker

    Advanced Color Picker

    Pick colors from web pages, copy hex codes, and more.

    Zomclub Poker

    1 user

  • Anti-Phishing Protection

    Anti-Phishing Protection

    Protect users against phishing attacks.

    Andrew Nichols

    1 user

  • Query Logger (Google + ChatGPT) Auto CSV

    Query Logger (Google + ChatGPT) Auto CSV

    Automatically logs Google searches and ChatGPT prompts locally and writes a CSV to Downloads (no prompt).

    Avshalom

    1 user

  • Gizli Sekmede Aç (Open İncognito)

    Gizli Sekmede Aç (Open İncognito)

    Haram işlere kullanmaya rızam yok. Gizli Sekmede Açar. İstersen geçmişten de temizler. Hatta sekmeyi bile kapatır. Mühim: Bu eklentiyi kullanabilmen için Gizli Pencerelerde Çalışabilir seçeneğini eklenti ayarlarından açmalısın; Bak yoksa çalışmaz!!!

    tokturbey

    1 user