LT Browser

A desktop browser for building, testing and debugging responsive websites across many device viewports side by side.

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About LT Browser

LT Browser is a desktop browser for developers that shows a website in several device viewports at once, such as an iPhone, an iPad and a desktop window, with more than 50 device screens to pick from. It is aimed at building, testing and debugging mobile layouts.

Unlike online responsive checkers that load pages in an iframe, it can display sites that refuse to be framed. Builds are offered for Windows, macOS and Linux, with Deb and RPM packages. It is part of TestMu AI's wider testing platform.

Strengths

  • Views several device viewports side by side
  • More than 50 device screen presets
  • Works with sites that block iframes
  • Deb and RPM packages for Linux

Limitations

  • Device views are emulated rather than real hardware
  • Tied to a commercial testing platform with paid tiers

Details

Pricing
FreemiumFree to download, with paid tiers as part of the TestMu AI platform.
License
Proprietary
Developer
TestMu AI
Platforms
Windows, macOS, Linux
How it runs
Downloadable app
Best suited for
Web developers debugging mobile layouts on the desktop
Last verified
Added
Provenance
Selected from the TechWalrus Resource Hub (Website Checkers & Audit Tools); facts checked against the developer's own pages, 2 sources on file.

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