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

Log in

13,296 extensions found in Web Development

Filter results
Search results
  • Link Extractor Pro

    Link Extractor Pro

    Select an area on a web page with a shortcut key and extract links from it

    Backeverend

    1 user

  • Break on Copy

    Break on Copy

    コピー禁止を突破して文字列をコピーできます。コピー時、余計な改行を自動的に整形することが可能です。

    vulpes_velox

    1 user

  • Resolvr

    Resolvr

    Resolve Handshake domains + DNS TXT metadata records. Metadata records support Skynet, redirects, QR codes, and more.

    Codecrafting

    1 user

  • Edit Website

    Edit Website

    Edita sitios web con una simple extension.

    kiro

    1 user

  • Inline Snapshot

    Inline Snapshot

    Capture full screen and store screenshots with persistent storage

    Alpha

    1 user

  • localivelize

    localivelize

    Switch between local and live server easily.

    Wildan M Zaki

    1 user

  • JSDebugPro

    JSDebugPro

    Advanced JavaScript Debugger by CodeCraft Debugging Tools

    Sunwin20

    1 user

  • Code Injector

    Code Injector

    Inject code into websites! (JavaScript, CSS, HTML and Files)

    F8BET

    1 user

  • КиберСтраж

    КиберСтраж

    Защита от мошенников. Проверяйте ссылки перед переходом!

    Gambi

    1 user

  • Tabbed Scratchpad

    Tabbed Scratchpad

    Replacement for the JavaScript Scratchpad editor removed in Firefox 72, forked from the Original Scratchpad addon with the help of Google Gemini

    Footmen

    1 user

  • TaskPanzer Workflow Recorder

    TaskPanzer Workflow Recorder

    Capture workflows and auto-generate step-by-step documentation with screenshots. Syncs with TaskPanzer project management.

    UBXTY Unboxing Technology

    1 user

  • Word & Character Counter Plus

    Word & Character Counter Plus

    Count words and characters on web pages

    Kubett Vin

    1 user

  • LITFL Redirector

    LITFL Redirector

    Redirects old and invalid lifeinthefastlane.com links to the new, valid litfl.com when browsing derangedphysiology.com, including removing legacy /ccc/ paths

    Natrilix

    1 user

  • GitHub Diff Whitespace

    GitHub Diff Whitespace

    Automatically appends ?w=1 to GitHub diff URLs to ignore whitespace changes

    Scott Robertson

    1 user

  • Surya Plastik Print Service

    Surya Plastik Print Service

    Monitor invoice print events and send order data to local printer service.

    Eries Hermanto

    1 user

  • Shumway SEO Toolkit

    Shumway SEO Toolkit

    A local-first SEO toolkit for the current page. Inspect metadata, headings, links, images, structured data, and SERP previews, then export the results. No accounts, no tracking, nothing runs until you open it. All analysis stays in your browser.

    Brian Shumway

    1 user

  • xroad sender for web app

    xroad sender for web app

    This add on help to forward xroad messages between web app and misp

    Qwestern

    1 user

  • CodewarsKatana

    CodewarsKatana

    This extension allows you to easily identify solved and unsolved codewars.com exercises and removes all ads displayed on the site.

    Ovidiu Voicu

    1 user

  • Nova Scratchpad

    Nova Scratchpad

    A beautiful, premium, and lightweight markdown scratchpad and focus hub featuring autosave, themes, and easy export.

    Dharani Krishna

    1 user

  • Toggle Switch Killer

    Toggle Switch Killer

    Turn off all toggles (checkboxes/radios) on the page with one click.

    Kyox

    1 user

  • LinkSphere X - Link Shortener

    LinkSphere X - Link Shortener

    Instantly shorten URLs with a sleek, modern LinkSphere extension.

    Denizhan Şahin

    1 user

  • Markdown to WordPress

    Markdown to WordPress

    Markdown形式のテキストを、WordPressのクラシックエディタ（コードタブ）にそのまま貼れる形式のHTMLへ高速変換します。

    shinsanworks

    1 user

  • Vinted My Orders Button

    Vinted My Orders Button

    Adds a quick "My Orders" button to the Vinted header to easily access your orders.

    chihabgoku

    1 user

  • YouTube Tweaks All-in-One

    YouTube Tweaks All-in-One

    All-in-one YouTube toolkit. Toggle each tweak from one popup: hide Shorts, comments, thumbnails, suggestions; compact grid, theater mode, H.264, location/language switcher, and more.

    thedoctor

    1 user

  • Custom 404 Page Notifier

    Custom 404 Page Notifier

    The "Custom 404 Page Notifier" Firefox addon is your go-to tool for staying informed whenever you encounter a dead end on the web. With its intuitive interface and seamless integration, it alerts you whenever a website's page is not found

    MB66

    1 user