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1,149 extensions found in Web Development

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  • XSSpect

    XSSpect

    Detect possible reflected XSS vulnerabilities by automatically injecting and monitoring custom payloads in URLs.

    Muhammed Galal

    46 users

  • EyeDropper

    EyeDropper

    Built-in color eyedropper — sample colors from any website

    Varriale

    46 users

  • Get DNS

    Get DNS

    Get All DNS records.

    devbit.me

    45 users

  • FontSwap

    FontSwap

    Replace the font on any webpage with a Google Font of your choice

    Medyzad

    45 users

  • Wayback Machine Searcher

    Wayback Machine Searcher

    Search the current page URL on the Wayback Machine archive.

    Jakob

    44 users

  • Discord User/Channel/Message ID all get tool

    Discord User/Channel/Message ID all get tool

    This add-on has the following features All user ID retrieval All channel ID retrieval All message ID retrieval v8.0 : Fixed a bug where message ID retrieval did not work with DMs

    Gushini chick

    43 users

  • CSSInspect

    CSSInspect

    Inspect any page element and copy its CSS selector path

    ness4laizip

    43 users

  • CORS for Me

    CORS for Me

    Allow cross-domain xhr request by adding CORS headers to response. Works on Android as well as on PC. A more advanced successor, CORS Unbound, is now available.

    yobukodori

    43 users

  • Temp Mail

    Temp Mail

    Generate a disposable email address and read incoming messages in the popup. Powered by 1secmail.

    brandtld

    42 users

  • TeraBox Coin Collector

    TeraBox Coin Collector

    Collect coins from TeraBox and get unlimited free cloud storage and premium on TeraBox

    Lomusire

    42 users

  • Hide w3schools on DuckDuckGo

    Hide w3schools on DuckDuckGo

    Removes w3schools[dot]com links from DuckDuckGo search results

    Inan Hira

    42 users

  • SEO URL Inspector

    SEO URL Inspector

    Check the canonical URL of any page, compare it with the current URL, and inspect SEO meta tags.

    Demetrius

    41 users

  • AutoRefresherZ

    AutoRefresherZ

    Automatically reload the current tab at a set interval

    Duda Eleonora

    41 users

  • 大盘云图-股票

    大盘云图-股票

    大盘云图是一款直观展示A股市场整体情况的热力图工具，帮助投资者快速获取股票涨跌、流通市值等信息，适合日常关注股市动态和复盘分析。

    面壁投资

    41 users

  • User Script API Gateway

    User Script API Gateway

    Allows users to inject custom scripts that can fetch data from any domain, with controlled CSP.

    datttyt

    40 users

  • Script Menu

    Script Menu

    Select and run the registered JavaScript (userscript) from the menu. Works on Android as well as on PC. I developed this extension for Firefox for Mobile where the bookmarklets is not available. 登録したスクリプトをメニューから選択して実行します。Androidでも機能します

    yobukodori

    40 users

  • HTML Runner

    HTML Runner

    Run HTML, CSS, and JavaScript instantly in a new tab — no server, no build, no setup.

    Mohammad Shaklain

    40 users

  • Base64Box

    Base64Box

    Encode and decode Base64, URL and HTML entities from the toolbar

    Clint

    40 users

  • PrettyJSON

    PrettyJSON

    Pretty-print and explore JSON responses — collapsible tree with search

    GoodGame

    40 users

  • Velocity Web Speed

    Velocity Web Speed

    Optimizes and accelerates image, script, and font loading on websites to significantly improve page speed and overall performance.

    Baryo

    39 users

  • HTTP Redirect Checker

    HTTP Redirect Checker

    Trace the full HTTP redirect chain for any URL. Shows status codes at every hop and detects redirect loops.

    Lucia

    39 users

  • Keyboard Shortcuts

    Keyboard Shortcuts

    Cheatsheet of browser and OS keyboard shortcuts

    Myres Carmella

    39 users

  • LAN port scan forbidder

    LAN port scan forbidder

    Forbid non-LAN webs to access LAN or localhost. An anti-scan protection

    GarryW

    39 users

  • 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

    39 users

  • ColorPick

    ColorPick

    Pick any color from a webpage and copy its hex code instantly

    Varriale

    39 users