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

Log in

11,967 extensions found in Web Development

Filter results
Search results
  • Enable/Disable Browser Cache

    Enable/Disable Browser Cache

    Toolbar button to quickly enable/disable browser cache.

    Diogo Ribeiro

    56 users

  • Metafields Guru

    Metafields Guru

    Bring metafields management to a new level.

    256 Development

    56 users

  • Motivate Clock | Time Tracker

    Motivate Clock | Time Tracker

    Motivate Clock is incredibly simple and absolutely free time tracking assistant for anyone whose work involves working with computers.

    Valerii Bashtovoi

    56 users

  • Simple CSS Inserter

    Simple CSS Inserter

    Bring CSS in and out.

    JM

    56 users

  • REST Client

    REST Client

    Send custom HTTP requests (GET, POST, PUT, PATCH, DELETE) to any URL with custom headers and body.

    Cyzy

    56 users

  • LoremFiller

    LoremFiller

    Quickly insert Lorem Ipsum text into webpage text fields.

    Arvid Andersson

    55 users

  • SN Developer Productivity

    SN Developer Productivity

    Provides functionalities to improve productivity for ServiceNow development.

    Jens Jawer

    55 users

  • AI StitchSnap - Screen Capture & Full Page Screens

    AI StitchSnap - Screen Capture & Full Page Screens

    Capture full pages, visible areas, or custom regions with one click. Instantly send screenshots to ChatGPT, Claude, Copilot, Grok, and DeepSeek for AI analysis.

    DevLabs

    55 users

  • Get That API

    Get That API

    Get That API is an open-source browser extension made to test API endpoints right in the browser

    Ashutosh Dash

    55 users

  • Bluelight Blocker

    Bluelight Blocker

    Reduces blue light emission for better sleep and eye comfort

    Dr Bates App

    55 users

  • Equalizer Tool - By Mr. Bear

    Equalizer Tool - By Mr. Bear

    A 10‑band audio equalizer with a live spectrum visualizer for YouTube.

    Mr.Bear

    55 users

  • FileWatcher

    FileWatcher

    Reload a web page when one of the watched local filesystem items changes.

    nicorac

    55 users

  • Deluminate177

    Deluminate177

    Invert the luminance of a website to make it easier on the eyes.

    17

    55 users

  • FunPay Lot Manager

    FunPay Lot Manager

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

    bdvzk

    55 users

  • Image Picker

    Image Picker

    Téléchargez toutes les images d'une page web

    karldev

    55 users

  • X-Flex Surveillance

    X-Flex Surveillance

    Allows offline capture of X-flex monitoring.

    ARC LOGICIELS

    55 users

  • DeepSeek Code Block Downloader

    DeepSeek Code Block Downloader

    Adds a download button to DeepSeek code blocks to download the code with the correct file extension.

    CodeMix

    55 users

  • Empty Cache and Hard Reload

    Empty Cache and Hard Reload

    Simulates Chrome’s 'Empty Cache and Hard Reload' behavior — clears cache and reloads the current page.

    Khokon M.

    55 users

  • Loupe

    Loupe

    Highlights occurrences of selected word in page.

    scullionw

    54 users

  • Cache Remover for SoundCloud

    Cache Remover for SoundCloud

    Removes cache and service workers from Soundcloud, so the website loads properly without pressing Ctrl + F5.

    Asecave

    54 users

  • Online Music Player Browser

    Online Music Player Browser

    Play your music quickly from Google Drive or local computer.

    Firefox addon Free

    54 users

  • FuckCSDNAntiCopy

    FuckCSDNAntiCopy

    允许用户不登录即可复制CSDN (blog.csdn.net)上的代码 / Allows copying code from CSDN (blog.csdn.net) without logging in.

    Adam Han

    54 users

  • SuperDev Pro

    SuperDev Pro

    14-in-1 browser extension developers and designers love.

    Mohd Danish

    54 users

  • ClipboardX Pro

    ClipboardX Pro

    ClipboardX Pro is a powerful Firefox extension that lets users capture, organize, secure, and manage clipboard content with pages, search, customization, and quick sharing features.

    Mohamed Afsar J

    54 users

  • Bumpr Extension for Firefox

    Bumpr Extension for Firefox

    This extension is used to open links and pages in the Bumpr macOS app.

    Bumpr App

    54 users