Viewport Sizer
Viewport Sizer is a browser-based tool for testing responsive websites across various device viewports. It allows developers to see how their site looks and functions on different desktop, tablet, and mobile screens.
responsive-design
viewport
testing
Viewport Sizer: Browser-based Responsive Website Testing Tool
Test your responsive website's usability across various device viewports with our browser-based tool, designed for developers to ensure a seamless user experience on desktop, tablet, and mobile screens.
What is Viewport Sizer?
Viewport Sizer is a free web-based application that allows web developers and designers to test their websites across various screen sizes and device types. It simulates how a website will appear on desktops, laptops, tablets, and mobile phones by resizing the viewport to predefined dimensions.
Some key features of Viewport Sizer include:
- Supports all modern browser sizes from small phones up to large desktops
- Options for both portrait and landscape device orientations
- Touch simulation for testing tap and scroll interactions
- Network throttling to simulate slow connections
- Full page screenshot capture
- Custom viewport dimensions
- Multiple devices displayed simultaneously for comparison
- Touch-friendly responsive interface
- Free to use with no ads or signup required
Viewport Sizer is very useful for web designers and developers who want to ensure their sites provide a good responsive user experience. By previewing a site across various viewport sizes, they can identify and fix layout or usability issues that only appear on certain device sizes. This ultimately results in websites that display and function properly on any screen. With its ease of use and wide device support, Viewport Sizer is an indispensable responsive design testing tool.
Viewport Sizer Features
Features
- Responsive website testing
- Device viewport simulation
- Desktop, tablet, and mobile screen support
- Customizable viewport sizes
- Ability to save and load custom viewport configurations
- Responsive grid overlay
- Device rotation support
- Responsive elements highlighting
- Device pixel ratio adjustment
Pricing
- Free
- Freemium
Pros
Convenient browser-based tool
Comprehensive device coverage
Customizable viewport sizes
Helpful for responsive design testing
Saves time compared to manual device testing
Cons
Limited to browser-based testing
May not capture all device-specific nuances
No mobile device emulation
Official Links
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