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

Log in

12,055 extensions found in Web Development

Filter results
Search results
  • GitHub File Diff

    GitHub File Diff

    View diffs of files and directories on GitHub.

    mohd-akram

    12 users

  • JSON[B] Viewer

    JSON[B] Viewer

    JSON[B] is a editor online web-based tool to view, edit, format, transform and diff JSON documents.

    Luewell

    12 users

  • Lorem Ipsum Generator

    Lorem Ipsum Generator

    Generate random Lorem Ipsum text

    Pedro Piedade

    12 users

  • UUID Generator

    UUID Generator

    A simple and fast UUID generator. Quality of life features built in.

    HelpfulFish

    12 users

  • Advanced URL Cleaner

    Advanced URL Cleaner

    Automatically removes tracking parameters like fbclid, gclid, UTM tags, and TikTok IDs to protect your privacy.

    Techy All

    12 users

  • NYC Idling Complaint Knowledge

    NYC Idling Complaint Knowledge

    NYC Idling Complaints Knowledge (NICK) - to export user's list of submitted complaints from the NYC Idling Complaints portal.

    cleanfutureapps

    12 users

  • Web Archive Explorer

    Web Archive Explorer

    Check and create web archives across multiple archiving services

    unnohwn

    12 users

  • Drinking Bird - Auto Key Presser

    Drinking Bird - Auto Key Presser

    Auto key presser with timer, animation, and drinking bird design. Automate repetitive key presses with customizable intervals. Track daily saved clicks.

    Eduardo S

    12 users

  • PageCleaner – Make items disappear

    PageCleaner – Make items disappear

    Clean up web pages: hide ads, pop‑ups, cookie banners, distractions and any other element, site by site, with PageCleaner. Your web, your rules.

    Maxime

    12 users

  • AB Tasty debugger

    AB Tasty debugger

    Debug A/B tests from AB Tasty. Open source.

    Joris Daniel (yoriiis)

    12 users

  • Runtime Data

    Runtime Data

    Demonstration of some runtime APIs

    web Master

    12 users

  • Text to Uppercase - Alt+C

    Text to Uppercase - Alt+C

    Convert selected text to uppercase with Alt+C

    thefok

    12 users

  • Анализ мобильной версии сайта

    Анализ мобильной версии сайта

    Расширение позволяет просматривать в удобном формате страницы сайта в эмуляторе мобильного устройства.

    Alexander Pomozov

    12 users

  • AI Detector for images

    AI Detector for images

    AI Detector for images AI Image Detector is a tool that helps you quickly verify whether an image was generated by artificial intelligence. It adds a new action to the browser's context menu, allowing you to analyze images directly from the browser.

    Grzegorz Cymborski

    12 users

  • npmx-redirect

    npmx-redirect

    Browser extension that automatically redirects npmjs.com URLs to npmx.dev, a better browser for the npm registry.

    avrg

    12 users

  • KJS Email Tracker

    KJS Email Tracker

    Tracks if your emails are opened by injecting a tracking pixel.

    Sumit Sharma

    12 users

  • Screen Sizer

    Screen Sizer

    Resize your browser window to mimic different screen sizes. Save, manage and share presets with your team.

    Connor Nee

    12 users

  • Nette debug mode

    Nette debug mode

    Nette framework debug mode

    Firefox user 12412132

    12 users

  • RedirectWeb (Mac exclusive)

    RedirectWeb (Mac exclusive)

    Take control of web navigation — automatically redirect pages or open links in other apps with flexible custom rules. Works on Mac.

    Manabu Nakazawa

    12 users

  • Page Number for AutoPagerize

    Page Number for AutoPagerize

    Adds display now page number for AutoPagerize.

    DeepBlackNinja

    12 users

  • Scrollbar Lens

    Scrollbar Lens

    Shows a minimap of the page when hovering over the scrollbar

    emvaized

    12 users

  • AWS Agent

    AWS Agent

    Allows your browser to access AWS resources that require Amazon's Sigv4 scheme.

    John Jones

    12 users

  • OSINT Search

    OSINT Search

    Поиск сразу везде с Google Dorks

    OSINT-SAN Project

    12 users

  • Encrypted Env Viewer for Laravel

    Encrypted Env Viewer for Laravel

    View Laravel Encrypted Env files directly in GitHub pull requests

    Jordan Welch

    12 users

  • Measure Aspect Ratio

    Measure Aspect Ratio

    Easily measure the aspect ratio of any area on a web page. Enter width and height to get an accurate aspect ratio. Simple, elegant, and efficient!

    Sierra Garcia

    12 users