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13,369 extensions found in Web Development

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  • RxJS Insights

    RxJS Insights

    See through the observables

    kszksz

    21 users

  • Multi-Keyword Highlighter (多词高亮查找)

    Multi-Keyword Highlighter (多词高亮查找)

    Multi-Keyword Highlighter -Search or Find & Highlight. 高效批量查找并高亮多关键词，支持实时查找、模糊匹配、文档分布预览、智能剪贴板读取及自动深色模式。

    ivean

    21 users

  • Zustand DevTools

    Zustand DevTools

    Inspect and debug Zustand state stores in real-time with powerful developer tools. View state snapshots, track actions, analyze state changes, and use time-travel debugging to simplify debugging and improve development workflow.

    Shivaji Surwase

    21 users

  • Mobile View Toggle

    Mobile View Toggle

    Preview any web page as it looks on a phone or tablet. Open the active tab in a mobile-sized window — switch device, rotate, and capture screenshots, all from a slim in-window toolbar.

    Yasin Keleş

    21 users

  • User-Agent Swit PC b8q

    User-Agent Swit PC b8q

    Switches the User-Agent to a desktop version

    Dejsp

    21 users

  • Epupp: Live Tamper your Web

    Epupp: Live Tamper your Web

    Tamper with web pages, live and/or with userscripts

    PEZ

    21 users

  • Focus for Instagram

    Focus for Instagram

    A simple extension to hide Instagram's Explore and Reels pages for a more focused social media experience.

    jatin

    21 users

  • AI Token Tracker

    AI Token Tracker

    Track token usaTrack real-time token usage across Claude, ChatGPT, and Gemini with live counts, history, and CSV/JSON export.ge across Claude, ChatGPT, and Gemini in real-time.

    Rama Krishna

    21 users

  • Google Bot User-Agent switcher

    Google Bot User-Agent switcher

    Allows switching between the default user-agent and the Google Bot user-agent.

    Zdenek K.

    21 users

  • PDF zusammenfuegen von pdfzus

    PDF zusammenfuegen von pdfzus

    Mehrere PDFs lokal in Firefox zusammenfuegen. Ohne Upload, ohne Konto, DSGVO-konform.

    yxchen1994

    21 users

  • Simple Pomodoro Timer

    Simple Pomodoro Timer

    A pomodoro timer extension for switching roles during pair programming sessions.

    Leslie Alldridge

    20 users

  • Drawing Tool - By Mr.Bear

    Drawing Tool - By Mr.Bear

    Draw and annotate on any webpage using an overlay canvas. You can sketch freehand, add shapes, arrows, and text, then erase or clear drawings as needed. Designed for homework, teaching, presentations, and work-related annotations.

    Mr.Bear

    20 users

  • Ping Blocker

    Ping Blocker

    Prevents sites from tracking you by blocking the PING request!

    Leonardo

    20 users

  • D1NMH

    D1NMH

    Расширение для доступа к криптографическому плагину D1NMH

    Dmitry Bogush

    20 users

  • WebExtension X-Ray

    WebExtension X-Ray

    Right click on addons.mozilla.org and you will see the source code of the extension

    Andrei Petcu

    20 users

  • Weh Inspector

    Weh Inspector

    Trace Remote Procedure Calls on Weh-2 addons

    mig

    20 users

  • MDN Language Redirector

    MDN Language Redirector

    Browse MDN in your preferred language.

    Timon van Spronsen

    20 users

  • tRPC Client Devtools

    tRPC Client Devtools

    An unofficial tRPC devtools extension to inspect your queries, mutations and subscriptions

    Roy Henriquez

    20 users

  • Media Stream Detector

    Media Stream Detector

    Detects and collects M3U8 streams and subtitle files from web pages

    Dark Flare

    20 users

  • Switcher - A Powerful Proxy Manager

    Switcher - A Powerful Proxy Manager

    Take control of your online experience with Switcher! Our intuitive extension simplifies the way you manage your network settings, allowing you to switch between proxy modes with just a click.

    vheidari

    20 users

  • File form filler

    File form filler

    Extension to form filling by uploaded csv

    CSV Form Filler

    20 users

  • Canonical Url Detector

    Canonical Url Detector

    If the page has Canonical URL, you can click to switch the URL in address bar.

    irok

    20 users

  • Save DOM as HTML

    Save DOM as HTML

    Save the current page's live DOM as an HTML file with one click

    Expression Inc.

    20 users

  • Old Github UI

    Old Github UI

    GitHub changed their UI on 2020-06-23, this extension brings a few items back to their classic look.

    Sreenivasan Ramesh

    20 users

  • Redmine Clipboard

    Redmine Clipboard

    Copy the number of a Redmine story and task to your clipboard.

    Richard Leurs

    20 users