To use Android extensions, you'll need Firefox for Android. To explore Firefox for desktop add-ons, please visit our desktop site.

Log in

1,152 extensions found in Web Development

Filter results
Search results
  • GPT Ninja

    GPT Ninja

    Save ChatGPT responses as PDF files with customizable options.

    Ninja

    1 user

  • Convert Uppercase to Lowercase

    Convert Uppercase to Lowercase

    With the capitalization converter plugin, you can enter your text in the content area of the plugin without the need to enter another site: You can capitalize all of the text, all lowercase, or just the beginning of sentences.

    tr-wp.com

    1 user

  • MetaRouter – AI Relay & New API Manager

    MetaRouter – AI Relay & New API Manager

    Manage third-party New API-compatible relays and your own New API: accounts, balances, channels, and model sync in one place.

    veryxiao

    1 user

  • Link Extract

    Link Extract

    Extract all links from the current page with filter

    Gizela

  • DNS Leak Detector

    DNS Leak Detector

    Shows DNS-related activity for the active tab.

    Grof

  • Kanban

    Kanban

    Mini kanban board in your browser with drag and drop

    DiasiDrisov

  • Mortgage Calc

    Mortgage Calc

    Calculate monthly mortgage payment principal and interest

    Shenit

  • Prettify

    Prettify

    Auto-format code with indent detection and copy result

    Eadwulf

  • Formatter

    Formatter

    Paste messy code and get it formatted with customisable indent

    Eadwulf

  • Tint Blend

    Tint Blend

    Interpolate between two colours with steps and copy hex

    Thorbjørn

  • Youtube Timely Search

    Youtube Timely Search

    YouTube Timely Search allows users to search YouTube videos within a specific time duration or range, making it easier to find relevant content based on upload time or vibe between a particular time period

    web-dev-18

    1 user

  • awk Ref for Android

    awk Ref for Android

    View, search, and master 80+ essential awk commands, variables, and patterns. • Safe offline popup reference optimized for Firefox Mobile on Android. No tracking, no data collection.

    Libor Benes (Dr. B)

    1 user

  • Burning Ad 2025

    Burning Ad 2025

    [Very Fast Version] Sasuke uses Fire Style to burn YouTube ads before they even appear.

    Bendy

    1 user

  • Commit Newer/Older Indicators

    Commit Newer/Older Indicators

    Adds simple 'Newer'/'Older' indicators to commit lists Browser extension that adds simple visual indicators to commit lists on GitHub and JetBrains Space

    bobko

    1 user

  • Web Güvenlik (USOM)

    Web Güvenlik (USOM)

    USOM API kullanarak güvenli olmayan siteleri tespit eden bir uzantı.

    Zewlox

    1 user

  • Text Highlighter 1

    Text Highlighter 1

    Highlight text on webpages with different colors

    Web3world

    1 user

  • SKATT Searcher

    SKATT Searcher

    Home page searcher Theme 1

    SKATT

    1 user

  • BetterMIS

    BetterMIS

    Smart attendance calculator for MIS - Know how many lectures you can bunk

    n1khl

    1 user

  • Kazohwa Tools

    Kazohwa Tools

    Kazohwa Tools is a toolkit for manhwa editors and translators, offering image grabbing, merging, and translation tools.

    sox

    1 user

  • ShieldAI

    ShieldAI

    Real-time scam detection by Tanish Sareen

    Tanish Sareen

    1 user

  • Reddit Improvement Zzuite (RIZz)

    Reddit Improvement Zzuite (RIZz)

    Enhances/improves Reddit by giving users tools to curate their own experience on the site.

    Jordan Trenholm

    1 user

  • Markdown Ref

    Markdown Ref

    Complete Markdown cheatsheet with clickable snippets

    cocatherese

  • Trust API Tester

    Trust API Tester

    Lightweight popup HTTP client for testing API endpoints

    Russel

  • Decode URL

    Decode URL

    Decode encoded URLs and encode raw text for use in URLs

    oenyg

  • Offline AI Detector

    Offline AI Detector

    Finds AI-generated paragraphs and highlights them. Checks vocabulary, rhythm, structure. 100% offline, zero tracking

    Arthur

    1 user