Viewport Resizer: Ultimate Device Emulator & Website Testing Tool

Emulate devices, resize screens, and perfect your web design effortlessly with this cutting-edge testing and presentation tool.

Viewport Resizer: Emulate Devices & Test Websites

Viewport Resizer: Ultimate Device Emulator & Website Testing Tool is a dynamic testing and presentation tool designed to create, test, and showcase digital experiences on any device. Customize your workspace, use device mockups, explore display resolutions, and harness advanced emulation features within a professional-grade environment for high-quality development and debugging.

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Extension stats

By: Malte Wassermann

Users: 80,000+

Rating: 4.20

(278)

Version: 2.0.3 (Last updated: 2024-11-19)

Creation date: 2019-12-28

Risk impact: Moderate risk impact

Risk likelihood:

Very low risk likelihood

Manifest version: 3

Permissions:

activeTab
scripting
declarativeNetRequest
storage

Host permissions:

<all_urls>

Size: 146.43K

Email: *****@maltewassermann.com

Ranking

# 2,707 ▲ 29

Other rankings

#625 in Developer Tools ▼ 1 #23 in device keyword 13 ▼ 1 #106 in testing keyword 26 ▲ 3 #235 in mobile keyword 45 ▲ 20

Other platforms

Not available on Android

Not available on Firefox

Not available on Edge

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Extension summary

Analyze keywords

Enhance your web design experience with our dynamic testing and presentation tool, designed to create, test, and showcase your digital experiences on any device, from wearables to very big screens. Customize your workspace fully and use or create your own device mockups, explore various display resolutions, and harness advanced emulation features like touch fingerprint simulation, user-agent emulation, and breakpoint guide, all within a professional-grade environment built for high-quality development and debugging. Push your limits with an intuitive zoomable workspace, precise ruler and grid tools, and a sleek presentation mode called 'Coffee Mode' — think of this tool as a first-level approximation of how your digital experience looks and feels across multiple devices.

Limitations: While our tool provides comprehensive device simulations, it does not replace the need for physical device testing.

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.

Pros

Great alternative to other tools with many options and features.
Reliable tool that works well for various use cases.
Functional in localhost environments, with some users confirming this.

Cons

Does not work well with localhost for many users.
Issues with the visibility of the icon in some browser themes.
Many users report that the extension loses settings or needs to be reconfigured frequently.

Most mentioned

Problems with testing on HTTP and localhost.
Desire for the 'Fit Window' option to be default.
Need for updates to include newer mobile resolutions.

User reviews

The older version of this extension worked perfectly for all URLs. However, in the new version, I am unable to test the test domains, and it also does not work with HTTP versions. Could you please verify this?