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Responsive Website Testing Toolkit - Multiple Viewport Simulator icon

Responsive Website Testing Toolkit - Multiple Viewport Simulator

πŸ§‘β€πŸ’» Developer Tools
4.07,000

An essential tool to test the responsiveness of any website on multiple screens simultaneously

An essential tool to test the responsiveness of any website on multiple screens simultaneously

User reviews

10 Β· from the Chrome Web Store
  • H

    Habib

    Apr 25, 2026
  • J

    Joy Baidya

    Dec 7, 2025

    WOW! It's very fantastic.

  • A

    Addonise Team

    Oct 23, 2025

    Very useful for responsive website testing.

  • E

    Extension Artisan

    Oct 23, 2025

    Does exactly what it claim. Highly recommend for responsive design testing.

  • N

    Nasar Uddin

    Sep 3, 2025

    Perfect extension. Have a small problem in mockups. When mockup mode on, it goes to dark mode. no way to disable dark mode when mockups on. Fix it immediately. Thanks.

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