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

Log in

12,584 extensions found in Web Development

Filter results
Search results
  • SAML to AWS STS Keys

    SAML to AWS STS Keys

    Generates file with AWS STS Keys after logging in to AWS webconsole using SSO (SAML 2.0). It leverages 'assumeRoleWithSAML' API.

    GB

    254 users

  • Hacker Proxy Pro by ZishanAdThandar

    Hacker Proxy Pro by ZishanAdThandar

    Ethical Hackers|Bug Hunters|Pentesters|Cyber Security Researcher. Lightweight Open Source Proxy Switch. Note: Goto "about:addons" : "Extensions : Click on HackerProxyPro : "Allow" "Run in Private Windows" #CyberSec #InfoSec #Hack #offsec

    ZishanAdThandar

    254 users

  • Image Downloader Plus

    Image Downloader Plus

    Image Downloader is a browser extension for easy image downloads. Save images individually or download all images on a page with a single click. Simple, modern interface for seamless image management.

    Vivek Parmar

    253 users

  • Scraper Master - Simple Web Scraping

    Scraper Master - Simple Web Scraping

    Your ultimate companion for effortless web data extraction.

    voxy

    253 users

  • Environment Marker

    Environment Marker

    Use the Environment Marker extension and prevent screw-ups with the (programming) environments.

    Environment Marker

    253 users

  • XPath Helper

    XPath Helper

    Quickly get the XPath for any element on a webpage with just one click. Simply select an element and it will display its XPath.

    Oziku Technologies LLC

    252 users

  • Geek Sidebar - Free DeepSeek & Bookmark Sync

    Geek Sidebar - Free DeepSeek & Bookmark Sync

    Write smarter with ChatGPT, Claude, Grok & DeepSeek.All-in-one AI, smart bookmarks,and tools—clean up links, check pages, summarize, analyze docs, screenshots.Your sidebar just leveled up.

    极客侧边栏

    251 users

  • Timer Mulp

    Timer Mulp

    Make Timer great again.

    Gilnom

    251 users

  • Ace Editor

    Ace Editor

    Ace Editor v1.4 — ACE editor injection with copy/edit helpers.

    sabith suriya

    251 users

  • ARB Buyer

    ARB Buyer

    Premium automation for arbpay.me. Automatically purchase ARB orders at your target amount with fast intervals, real-time tracking, and local browser-based processing.

    Anisole

    251 users

  • Virtual Hosts

    Virtual Hosts

    Apply virtual hosts and overwrite the Hosts header for development purposes.

    Longoon

    251 users

  • Discord Token

    Discord Token

    Logging into a account discord using a token, made easier. and opensource

    Daryl

    250 users

  • Eye-Able® Audit for WCAG

    Eye-Able® Audit for WCAG

    Check your website for the most common WCAG/ADA errors.

    Web Inclusion GmBH

    250 users

  • Folders for Gemini

    Folders for Gemini

    Organize your Gemini chats into folders. Drag & drop, custom colors, native design, and 100% private local storage.

    RaymonDev

    249 users

  • Try IT Yourself HTML5 editor

    Try IT Yourself HTML5 editor

    Fast & offline editor for your HTML5 web apps and experiments

    Francesco De Stefano

    249 users

  • WeCompress File Compressor

    WeCompress File Compressor

    Compress PDF, PPT, Word, Excel, PNG & JPEG files free online. No file limits, no registration & no watermarks; just smaller, easy to share, high-quality files.

    Firefox user 13828002

    249 users

  • Proxy Toggle

    Proxy Toggle

    Button to switch between system-set (off) and manually-set (on) proxy.

    Ben

    248 users

  • FACEIT Visuals

    FACEIT Visuals

    FACEIT Visuals helps the user for better experience on the platform

    shadi

    247 users

  • Trello Card ID

    Trello Card ID

    Shows Trello card IDs for use in commits and for other quick references. Copy the ID to the clipboard by clicking on it.

    Alexander Ploner

    247 users

  • Characters Counter

    Characters Counter

    Find out how many characters there are in a selection by simply right-clicking it.

    Minkiu

    246 users

  • HTTP Header Spy

    HTTP Header Spy

    HTTP Header Spy enables you to inspect request- response headers and cookies right after page load with no extra clicks.

    Michiel Roos

    243 users

  • Keeper Wallet

    Keeper Wallet

    Your entry point to the Waves blockchain and Waves-powered web services

    Waves Technologies

    242 users

  • Sound Booster 1000%

    Sound Booster 1000%

    Boost the sound volume of web pages from 0% to 1000%

    SBIOMSS

    242 users

  • Block Sign In With Google

    Block Sign In With Google

    Blocks the sign in with google popup

    zaporter

    241 users

  • Rentgen

    Rentgen

    Rentgen illustrates the amount of tracking scripts on a website and helps with formulating an email to the website admin, which can be a basis for a GDPR complaint.

    “Internet. Time to act!” Foundation

    240 users