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

Log in

13,742 extensions found in Web Development

Filter results
Search results
  • Man in the Middle

    Man in the Middle

    Modify requests, inject JavaScript and CSS into pages.

    Hoang

    84 users

  • server-spy2

    server-spy2

    1. show server headers、ip. 2. show an QR code for others devices to scan.

    马云腾

    83 users

  • GrabzIt Web Scraping Assistant

    GrabzIt Web Scraping Assistant

    Create Web Scrapes online easier than ever before with GrabzIt’s Web Scraping Assistant.

    GrabzIt

    83 users

  • FakerFill

    FakerFill

    Automate fake data generation in web forms for developers and QA testers

    Łukasz Dymek

    83 users

  • Impeccable

    Impeccable

    Detects common UI anti-patterns, in particular those generated by AI, on any web page.

    Paul Bakaus

    83 users

  • OverCite

    OverCite

    add citations in Overleaf without leaving the page.

    cheyanneshariat

    83 users

  • Tolgee Tools

    Tolgee Tools

    Translate your web applications more effectively with Tolgee plugin!

    Tolgee

    83 users

  • Content Edit & Blur

    Content Edit & Blur

    Edit, blur, redact, hide and annotate any webpage. Build mockups, protect sensitive details and capture clean screenshots.

    Hasan Abo-Shally

    82 users

  • InstagramDarkTheme

    InstagramDarkTheme

    Change the instagram background to dark theme.

    Lim Xiu Quan

    82 users

  • Auto Flow for Google Labs

    Auto Flow for Google Labs

    Custom Auto Flow extension specifically designed for automated batch generation on Google Labs (ImageFX/VideoFX).

    Appsmmo

    82 users

  • Userback

    Userback

    Real time user feedback, collaboration and screen capture tool.

    Userback

    82 users

  • PVE Snippets

    PVE Snippets

    Paste into PVE noVNC consoles or any page. Use Ctrl+V, the floating panel, or the popup to type into VMs or focused text fields.

    Exobytelabs

    82 users

  • OPFS Explorer

    OPFS Explorer

    A powerful DevTools extension to inspect, manage, and edit files in the Origin Private File System (OPFS)

    Hasan Bayat

    82 users

  • URL Parameters Editor

    URL Parameters Editor

    Shows parameters used in the URL and allows to update, export and import them.

    Ivan

    82 users

  • RTL DeepSeek , ChatGPT

    RTL DeepSeek , ChatGPT

    Automatically aligns RTL text and applies the Vazirmatn font on DeepSeek and ChatGPT for better readability.

    LaneZeroO

    82 users

  • GlotDict

    GlotDict

    GlotDict extension implements many new features to improve the quality of translation and speed up the process on translate.wordpress.org, where users can translate plugins, themes, WordPress itself and other related projects.

    Daniele Mte90 Scasciafratte

    82 users

  • Codex Browser Bridge

    Codex Browser Bridge

    Use Codex with a local browser automation bridge.

    MacWulf

    81 users

  • Metaview

    Metaview

    Quickly view social meta tags for a page, and preview how your page will look when embedded on social media.

    Tim Heap

    81 users

  • FoxColorBox

    FoxColorBox

    Firefox extension that allows you to change and customize browser Window colors

    jftuga

    81 users

  • Safeonweb Browser Extension

    Safeonweb Browser Extension

    Website owner validation status and related score from the CCB.

    CCB_At_Work

    81 users

  • Offline 2FA Generator

    Offline 2FA Generator

    Offline 2FA: Scan, Generate & Export QR Codes Securely

    George-Paul B.

    81 users

  • KISaD JSON Viewer

    KISaD JSON Viewer

    Viewer for large json files using cloud9's ace editor.

    Firefox user 12606043

    81 users

  • Screen Recorder

    Screen Recorder

    Local screen recorder with configurable format, resolution, frame rate, camera overlay, and optional audio input.

    Fernando

    81 users

  • Editer

    Editer

    Instantly Edit Web Pages in your browser with a single click to instantly edit text and layout elements directly in the browser. Ideal for quick content testing, web design, debugging, meme making, and more!

    Vijay Samant

    81 users

  • FDM Stream Capture (IDM-style)

    FDM Stream Capture (IDM-style)

    Detects video streams (MP4, M3U8, DASH) and downloads them with FDM.

    Demondra

    81 users