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

Log in

12,122 extensions found in Web Development

Filter results
Search results
  • paywall umgehen

    paywall umgehen

    Bypass paywalls on major news sites and enjoy unrestricted access to content.

    RaqaDev

    96 users

  • TagCheck

    TagCheck

    Lists usage of Universal Analytics, Google Analytics 4, and Google Tag Manager on a page.

    embeddedt

    96 users

  • UploadCC: Screen Capture Tool (Share or Save)

    UploadCC: Screen Capture Tool (Share or Save)

    Simple Screen Capture Tool Select the area which you want to capture. You can choose to upload it and share with your friend or download it.

    UploadCC

    96 users

  • SP REST JSON

    SP REST JSON

    SP REST JSON modifies the accept property in the request header for SharePoint REST API calls to get the response in JSON format and to show it directly in Firefox instead of downloading a XML file. Works for on-premises and SharePoint online.

    DDesch

    95 users

  • GenPass - Smart password generator

    GenPass - Smart password generator

    GenPass - Smart password generator lets you to create a strong easy remembered password of high cracking resistance.

    Cursoria

    95 users

  • Youtube Overlay Remover

    Youtube Overlay Remover

    Toggle for hiding the youtube.com's HTML5 player overlay, that blocks vision at the top and bottom of the video when moving the mouse or pausing, in and out of full screen. Use Shift+Alt+X as default shortcut, or change it in the Extensions Manager.

    onekanaka

    95 users

  • GraphQL-Inspect

    GraphQL-Inspect

    Inspect GraphQL requests and response data in the devtools.

    lokmeinmatz

    95 users

  • Material Design Color Palette - Click to Copy

    Material Design Color Palette - Click to Copy

    Click to copy Material Design color palette. Copy in #HEX, HEX, RGB( ), RGBA( ), HSL( ), & HSLA( ).

    Harner Designs

    94 users

  • Scratchpad

    Scratchpad

    Replacement for the JavaScript Scratchpad editor removed in Firefox 72

    A Kistler

    94 users

  • StylerGPT for ChatGPT

    StylerGPT for ChatGPT

    Custom Themes for ChatGPT, Prompt Manager, Prompt History, Folders, Export to PDF/DOCX, Bulk Actions, and more!

    StylerGPT

    94 users

  • PubPeer Cookie Injector

    PubPeer Cookie Injector

    更新PubPeer的cookie

    xf

    94 users

  • GitHub Repo Size

    GitHub Repo Size

    Show size summaries of GitHub repos

    AminoffZ

    93 users

  • falsh

    falsh

    Modify the navigator.platform while simulating a mobile viewport

    123

    93 users

  • Twitch Username and User ID

    Twitch Username and User ID

    Fetch user id of a Twitch username or the username of a Twitch user id. The Firefox port of https://chrome.google.com/webstore/detail/twitch-username-and-user/laonpoebfalkjijglbjbnkfndibbcoon

    swiftyspiffy

    93 users

  • Pinnable ChatGPT: pin GPT chats in sidebar

    Pinnable ChatGPT: pin GPT chats in sidebar

    Pin ChatGPT chats in sidebar for quick access

    Tik Hon

    93 users

  • close tab right click

    close tab right click

    Close tab from right click context menu.

    kakakikikeke

    93 users

  • GrabzIt Web Scraping Assistant

    GrabzIt Web Scraping Assistant

    Create Web Scrapes online easier than ever before with GrabzIt’s Web Scraping Assistant.

    GrabzIt

    93 users

  • MozBar

    MozBar

    MozBar: The All-In-One SEO Toolbar Analyze SEO metrics, audit on-page elements, and track Domain Authority in real-time.

    Moz

    93 users

  • Switch Tabs

    Switch Tabs

    Switch tabs every x seconds.

    Ph4nToM00

    93 users

  • Endpoint Extractor

    Endpoint Extractor

    Extracts all endpoints from the current page and its loaded scripts.

    shamo0

    92 users

  • Userback

    Userback

    Real time user feedback, collaboration and screen capture tool.

    Userback

    92 users

  • ProxyNest - By ALIILAPRO

    ProxyNest - By ALIILAPRO

    One-click access to fresh proxies/V2Ray configs | دسترسی یک‌ کلیکی به پراکسی‌های تازه و کانفیگ V2Ray

    ALIILAPRO

    92 users

  • .MD this page

    .MD this page

    Convert web page to markdown with one click

    Adem KOUKI

    92 users

  • SEO Nofollow Links Highlighter

    SEO Nofollow Links Highlighter

    Highlight all nofollow links on any site you want. Excellent for SEO purposes.

    IdeaMAX

    92 users

  • RESTED APS

    RESTED APS

    A REST client for the rest of us, with APS features

    Gear

    91 users