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

Log in

13,279 extensions found in Web Development

Filter results
Search results
  • Browser MFA Authenticator

    Browser MFA Authenticator

    A browser extension for multi-factor authentication (MFA) using OTP codes.

    Maurice Gonzalesang

    25 users

  • Download Serialized DOM

    Download Serialized DOM

    Download serialized DOM with a click, which should include changes within the page effected since loading e.g. by JavaScript.

    srguiwiz

    25 users

  • Cookie Sweep

    Cookie Sweep

    Clear all cookies except for defined domains

    Markus Popp

    25 users

  • AI Answer Finder

    AI Answer Finder

    Highlight any question on the web and get an instant AI-powered answer. Multiple modes, streaming, conversation history.

    abhiii.exe

    24 users

  • Mapp Cloud Debugger

    Mapp Cloud Debugger

    Debug and test your Mapp Cloud implementation

    Mapp Digital

    24 users

  • Human Paste PRO

    Human Paste PRO

    Paste text like a human — character by character with natural typing speed and rhythm.

    Abdallah Ramadan

    24 users

  • No More Brainrot

    No More Brainrot

    Block YouTube Shorts, Instagram Reels & distracting content. Track blocked attempts, pause blocking with timer, customize redirect URLs. Reclaim your focus!

    Dinesh Kumar E

    24 users

  • Scrutinizer for GitHub and Bitbucket

    Scrutinizer for GitHub and Bitbucket

    This addon makes available Scrutinizer analysis results and code intelligence directly inside the GitHub and Bitbucket websites.

    Scrutinizer

    24 users

  • MarkLens — Markdown Viewer

    MarkLens — Markdown Viewer

    The only markdown viewer with Document Styles — Export to PDF/DOCX/HTML, Presentation Mode, 10 themes, 6 font schemes, syntax highlighting, Mermaid diagrams, KaTeX math. 12 languages. Free, private, zero config.

    Kraftware Labs

    24 users

  • LyricsExtractor

    LyricsExtractor

    ページから歌詞を抽出します。 Extract lyrics from web pages. 権限が表示されていますが、これは歌詞のテキストを取得するのに必要であり、ユーザーデータは一切取得いたしません。 Permissions are shown, but they are required to retrieve the text of the lyrics and I do not retrieve any user data.

    Akaaku

    24 users

  • Beacon

    Beacon

    Generate a report from Beacon (digitalbeacon.co) with a single click

    Beacon

    24 users

  • Grafana k6 Browser Plus

    Grafana k6 Browser Plus

    Record k6 scripts right from the browser with the ability to automatically upload them to Grafana Cloud.

    Win79

    24 users

  • Scout Claude Export

    Scout Claude Export

    Export Claude AI conversations, projects, custom instructions, and artifacts to multiple formats (JSON, Markdown, HTML, PDF, CSV, Text) for backup and analysis.

    Allan Fitzpatrick

    24 users

  • IA Helper - AI Assistant

    IA Helper - AI Assistant

    AI assistant with multi-provider support (Ollama, OpenAI, Anthropic, Groq). Context menu, chat, translation, text processing. 100% customizable. Privacy-focused.

    Bruno

    24 users

  • Webtrekk Tracker

    Webtrekk Tracker

    See when WebTrekk events are being tracked.

    Emanuele Nardini

    24 users

  • LeekCF Rating

    LeekCF Rating

    Get rating for Codeforces problems even with problem tags off.

    Leeking

    24 users

  • Show Links

    Show Links

    Finds all links and files(CSS, JS, Images) in a page.

    Marcus Galavics

    24 users

  • Dusky Gray Facebook [Dark Theme]

    Dusky Gray Facebook [Dark Theme]

    When the night has come, and the land is dark, and the moon is the only light... Keep your eyes healthy with the best facebook dark theme ever! Full theme, messenger.com and facebook.onion supported! Social plugins/widgets excluded!

    pierOandMu

    24 users

  • Searchfox Search Engine

    Searchfox Search Engine

    Adds Searchfox's mozilla-central index as a search engine.

    Harry Twyford

    24 users

  • Superpower Google

    Superpower Google

    Ported version for Firefox of Superpower Google (adapted from Chrome MV3)

    vic-bosse

    24 users

  • Advanced Frame Designer with gradients

    Advanced Frame Designer with gradients

    A tool to design frames directly in the web page. The integrated color picker supports also harmonic colors. Also shadows, border-image, gradiends, transform definitions and blend-mode are supported.

    Heinz-Jürgen Boms

    24 users

  • C3C UFC Utility

    C3C UFC Utility

    Import/export UFC file from/to C3C-supported platforms.

    BadAimWeeb

    24 users

  • Image Alt QuickView

    Image Alt QuickView

    Quickly view the alternative text of any image in the context menu. Simply right-click on an image.

    ireaderinokun

    24 users

  • UX Enhancer for GitLab

    UX Enhancer for GitLab

    A browser extension that enhances your GitLab experience.

    Puyt

    24 users

  • Alt to title

    Alt to title

    Copies images alt attributes to their title, so everyone can see the alt text while hovering the image

    Orange Lux

    24 users