Android 拡張機能を使用するには、Android 版 Firefox が必要です。デスクトップ版 Firefox のアドオンを探すには、デスクトップサイト にアクセスしてください。

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拡張機能が ウェブ開発 のカテゴリーに 1,176 件見つかりました

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  • FullSizeImg

    FullSizeImg

    View every image on a page at full resolution with one click

    dimariktak

    38 人のユーザー

  • Site Notepad

    Site Notepad

    Write quick notes tied to the current domain with timestamps. View all notes, export as Markdown, or import/export JSON.

    Vincent

    38 人のユーザー

  • Throwaway Email

    Throwaway Email

    Create a throwaway email address instantly. Inbox refreshes automatically every 15 seconds.

    brandtld

    38 人のユーザー

  • Tab Copy

    Tab Copy

    Quickly duplicate tabs or copy all tab URLs to clipboard

    Otto Hamidah

    38 人のユーザー

  • Custom Cursor

    Custom Cursor

    Replace the page cursor with a custom color dot style

    Gustav Obranch

    38 人のユーザー

  • Feature Flag Scanner

    Feature Flag Scanner

    Detect A/B testing and feature flag tools on any webpage: Optimizely, VWO, LaunchDarkly, Statsig, and 15 more.

    Alfredo

    37 人のユーザー

  • HTML Comment Finder

    HTML Comment Finder

    Finds HTML, CSS and JavaScript comments in the current page

    VRZ

    37 人のユーザー

  • History Heatmap

    History Heatmap

    Visualize your browsing activity as a GitHub-style heatmap calendar. Click any day to see the sites you visited.

    Kaalas Daria

    37 人のユーザー

  • Number Base Converter

    Number Base Converter

    Convert numbers between binary, octal, decimal, and hexadecimal. Shows ASCII/Unicode character for single values.

    Zion

    37 人のユーザー

  • Tab Clone

    Tab Clone

    Clone one or multiple tabs with a single click action

    Otto Hamidah

    37 人のユーザー

  • RefreshLoop

    RefreshLoop

    Loop tab refreshes on a timer — configurable intervals per tab

    Duda Eleonora

    37 人のユーザー

  • Base Converter

    Base Converter

    Convert numbers between binary, octal, decimal, and hexadecimal. Shows ASCII/Unicode character for single values.

    Zion

    37 人のユーザー

  • Tab Search

    Tab Search

    Quickly search and switch to any open tab by title or URL

    Lauren Davis

    36 人のユーザー

  • Opened Tab Counter

    Opened Tab Counter

    Displays the number of open tabs on the badge. Click to see a list of all tabs, search, and close duplicates.

    sarahsusan

    36 人のユーザー

  • Speed Reader

    Speed Reader

    Flash words at high speed to train your reading pace

    nexma

    36 人のユーザー

  • SnipPaste

    SnipPaste

    Save and paste reusable text snippets into any input field

    ElianBrad

    36 人のユーザー

  • AI Context Courier

    AI Context Courier

    Save and share your AI chat history from ChatGPT, Gemini, AI Studio and Deepseek with one click.

    Baha Ferchichi

    36 人のユーザー

  • JSONView

    JSONView

    Detect and format raw JSON pages — syntax highlight, collapse and search

    GoodGame

    36 人のユーザー

  • Token Inspect

    Token Inspect

    Parse JWT bearer tokens and display claims in a clean UI

    Dobrica

    36 人のユーザー

  • HTTP Tracker

    HTTP Tracker

    Track requests made by current page with type breakdown

    iuhuwe

    36 人のユーザー

  • Roblox Themes – E-ROBLOX: Animated & Static Design

    Roblox Themes – E-ROBLOX: Animated & Static Design

    E-ROBLOX is a lightweight Firefox extension that enhances Roblox with a variety of free themes, greetings, and smooth integration—safe, fast, and optimized for both PC and mobile devices.

    e-lyas

    36 人のユーザー

  • Cookie Rejecter

    Cookie Rejecter

    Automatically rejects cookie consent banners on websites.

    Majken

    36 人のユーザー

  • YouTube Snap Shotter

    YouTube Snap Shotter

    YouTube Snap Shotter enhances your YouTube browsing experience with its built-in screenshot functionality. Use the dedicated button or Shift+A shortcut to capture and save moments from videos and shorts effortlessly.

    choangclubcasino

    35 人のユーザー

  • NoBanner

    NoBanner

    One click to remove all fixed banners, cookie bars and sticky headers

    jubairislam

    35 人のユーザー

  • Broken Link

    Broken Link

    Find broken and redirected links on any webpage fast

    Santan

    35 人のユーザー