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1,152 extensions found in Web Development

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  • JSON Nvgtr

    JSON Nvgtr

    Interactive JSON tree explorer with search and path copy

    Magnus

  • Resp Head

    Resp Head

    Send a HEAD request and display all response headers

    Helga Focks

  • Perf Issue Detector

    Perf Issue Detector

    Detects performance issues on page.

    Murphy

  • Green Web

    Green Web

    Check if current site is hosted on green energy servers

    Marteg

  • Emoji Board

    Emoji Board

    Searchable emoji panel with categories and recent history

    reignbarry

  • Page Word Counter for Podcasts

    Page Word Counter for Podcasts

    Single-purpose tool for Firefox: counts words on the current page. No data collection.

    Podcast Backlinks

    1 user

  • check company

    check company

    The Check Company extension is a handy tool for quickly verifying if a website supports isreal in Genocide. It allows users to check the domain name of any website they visit against my a predefined list of company domains.

    sohail

    1 user

  • Simple Calculator Live

    Simple Calculator Live

    A basic calculator extension

    Crypto llc.

    1 user

  • Scrollbar Fixer

    Scrollbar Fixer

    Automatically shifts overlapping scrollbars slightly to make both visible and easy to use.

    fcortini

    1 user

  • Calcis: LLM Cost Estimator

    Calcis: LLM Cost Estimator

    See what your LLM prompt will cost before you send it. Works on ChatGPT, Claude, and Gemini.

    Ryan Chen

  • Snake Game - By Mr.Bear

    Snake Game - By Mr.Bear

    Classic Snake game with a bear! Collect honey, avoid obstacles, and grow longer!

    Mr.Bear

    1 user

  • Make It Pop

    Make It Pop

    Easily highlight phrases. Provides grouping of phrases and linking groups to sites.

    Gerry

    1 user

  • Disable Opacity

    Disable Opacity

    A Firefox extension to disable opacity in web pages

    ss

    1 user

  • Namecoin with TLS Resolver

    Namecoin with TLS Resolver

    Experimental Proof of Concept. TLS certificate inspection and Namecoin .bit domain resolution

    mstrofnone

    1 user

  • Web Storage

    Web Storage

    Read write and delete browser local and session storage

    morris

  • ChatGPT Confirm Reviewer

    ChatGPT Confirm Reviewer

    Automatically confirms ChatGPT checkpoints, keeps long chats moving with timed refresh, and offers lightweight multilingual controls.

    ivan

  • PPChecker

    PPChecker

    Detects performance issues on page.

    Murphy

  • IP Locator Pro

    IP Locator Pro

    Look up the geolocation, ISP, ASN, and timezone of any IP address or domain. Plots the location on a mini world map.

    Winona

  • Page Performance Checker

    Page Performance Checker

    Detects performance issues on page.

    Murphy

  • Discord Token Login

    Discord Token Login

    Quickly authenticate to Discord using your user token. Simply paste your Discord token, click login, and get redirected to Discord. Your token is never stored, logged, or transmitted anywhere except for the redirect URL - it stays completely private

    Advik

  • Text Gradient

    Text Gradient

    Visual gradient text creator with angle and stop editor

    Malakai

  • lidret test

    lidret test

    Shows average hours worked per month

    Finfeny

    1 user

  • OSK MvL NL (Dutch)

    OSK MvL NL (Dutch)

    On-Screen Keyboard for FireFox

    Michael

    1 user

  • ASCII for Android

    ASCII for Android

    Displays an ASCII table 0-255: Dec, Hex, Char. • All processing is local, no data sent anywhere.

    Libor Benes (Dr. B)

    1 user

  • AiKeyz

    AiKeyz

    Shortcuts to open common LLM websites. It is mostly geared for my personal use.

    Vivek M

    1 user