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12,188 extensions found in Web Development

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  • Stylerific

    Stylerific

    Stylerific is a plugin that gives users the ability to add custom CSS to their favorite webpages, on a per-domain basis.

    Ron Rider Jr.

    5 users

  • Photo Editor - By Mr.Bear

    Photo Editor - By Mr.Bear

    A full-featured image editor right in your browser. Draw, paint, select, crop, and export with layers, filters, and 20+ Photoshop-style tools, all without leaving Firefox.

    Mr.Bear

    5 users

  • Browse Bot: open-source, page-aware AI assistant

    Browse Bot: open-source, page-aware AI assistant

    Browse Bot is a page-aware AI browser assistant that helps automate on-page interactions, summarize webpages and images, and find information promptly.

    Protos Galaxias

    5 users

  • BGP.tools Search

    BGP.tools Search

    Adds a context menu option to search a selected ASN or IP address with BGP.tools

    Nicholis du Toit

    5 users

  • ManaFlow

    ManaFlow

    Show FPS graph

    Lost Saint

    5 users

  • Soba - YouTube Comments as a Sidebar

    Soba - YouTube Comments as a Sidebar

    Watch YouTube Videos with your Comment Section as a Sidebar

    renaro076

    5 users

  • fbTimestamp

    fbTimestamp

    Shows the Facebook timestamp on hover in dd:mm:yyyy, HH:MM:SS

    BlackWW

    5 users

  • WCAG Auditor

    WCAG Auditor

    Manual WCAG 2.2 checklist for accessibility auditing

    69VN

    5 users

  • YouTube Video Tracker

    YouTube Video Tracker

    Track your progress through YouTube courses with chapter-based progress tracking and real-time visualization of completed sections.

    Lox

    5 users

  • MiOffice File Tools

    MiOffice File Tools

    66+ file tools — PDF, image, video, AI. Compress, convert, merge, resize, remove backgrounds. All local processing.MiOffice brings 66+ browser-based file processing tools to Firefox. Right-click any image to compress, resize, convert, or remove

    JayMiOffice

    5 users

  • FullSnap — Full Page Screenshot

    FullSnap — Full Page Screenshot

    Captura páginas web completas con un clic y descárgalas como PNG. Ideal para competitive analysis y UX research sin tener que unir múltiples screenshots manualmente.

    Diego

    5 users

  • Actions Logger

    Actions Logger

    リクエストにどのようなアクションが含まれていたかを記録します。

    vulpes_velox

    5 users

  • Environment switcher

    Environment switcher

    Switch between different environments with a click of a button!

    NickMous

    5 users

  • PX to CM

    PX to CM

    Easily convert PX to CM and CM to PX.

    CSS Unit Converter

    5 users

  • Linux Commands

    Linux Commands

    Efficiently search and browse by category 200+ Linux commands. Copy command examples instantly. Safe offline functionality, no data collection. Introduces the clear structure of Linux commands, also answering the question: Why Linux?

    Libor Benes (Dr. B)

    5 users

  • Instagram unfollow tool venosq

    Instagram unfollow tool venosq

    Helps manage Instagram followings. Converted to a Firefox Extension. Use responsibly. Uzantıyı kullanırken dikkat edin ig hesabınız timeout veya ban yiyebilir

    Murat Karademir

    5 users

  • Acoustic Signal Composer

    Acoustic Signal Composer

    With the Signal Composer extension, you can define signals directly on a live website preview in Acoustic Connect.

    Tealeaf by Acoustic

    5 users

  • StatusGator

    StatusGator

    Check service status for the current websiteCheck service status for the current website Is it down for everyone or is it just you? StatusGator tells you.

    StatusGator

  • Vietnamese Typing

    Vietnamese Typing

    Type Vietnamese with Telex, VNI, VIQR or Auto methods using VietUni. Toggle with double Ctrl press or popup. Seamless input for text fields.

    ntxinh

    4 users

  • xpathsearch

    xpathsearch

    A minimal addon that can be used to check if a given xpath exists on the page.

    Xpath searcher

    4 users

  • IceShot

    IceShot

    IceShot is a clean, open-source screenshot tool for full-page and visible captures—like FireShot, but without the bloat, mystery code, or price tag. Simple, fast, and privacy-respecting. Built for devs, nerds, and screenshot freaks.

    maddogg

    4 users

  • Auto-Form Filler

    Auto-Form Filler

    Instantly fill forms with smart

    Ajay

    4 users

  • Side Notes Sync

    Side Notes Sync

    Allowing users to sync their notes across multiple devices or browsers, ensuring access to their notes from anywhere.

    Leonna

    4 users

  • ep-rtl-extension

    ep-rtl-extension

    Instantly switch webpage layout between LTR and RTL.

    Mohammad Rahimi

    4 users

  • Git Moji - Git commits enhancer

    Git Moji - Git commits enhancer

    Enhance your commits with emojis!

    Louis Grasset

    4 users