Screen Tester

Screen Tester

Screen Tester is a free software that allows users to test screens for dead pixels, color accuracy, contrast, brightness and more. It has various test patterns and options to customize the tests.
System & Hardware Hardware Diagnostics
screen-testing dead-pixel-detection color-accuracy-testing
Screen Tester screenshot
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Screen Tester: Free Screen Testing Software

Discover a free software for screen testing, featuring dead pixel detection, color accuracy, contrast, brightness & more customizable test patterns

What is Screen Tester?

Screen Tester is a free, open source software used to test computer, laptop, tablet and smartphone screens for defects. It can help identify issues like dead or stuck pixels, color accuracy problems, contrast and brightness irregularities, and backlight bleed.

The tool provides various test patterns including solid colors, gradients, checkerboards, inversion tests, stuck pixel grids, and more. These test images allow users to thoroughly inspect their screens and detect faulty pixels or uniformity issues.

Key features of Screen Tester:

  • Identifies dead, stuck and hot pixels on LCD/OLED screens
  • Tests color reproduction accuracy and uniformity
  • Lets users adjust RGB values for color tests
  • Checks contrast ratio across the screen
  • Options for testing backlight bleed
  • Test images available in different sizes
  • Full screen mode for testing every inch of the screen
  • Completely free and open source software

Screen Tester is available for Windows, Mac and Linux systems. It can test laptop panels, external monitors, tablet screens, phone displays and more. The portable version allows conducting tests without installation.

Screen Tester Features

Features

  1. Test for dead pixels
  2. Check color accuracy
  3. Assess contrast and brightness
  4. Customizable test patterns
  5. Supports multiple display resolutions
  6. Generate test reports

Pricing

  • Free

Pros

Free to use

Comprehensive set of testing tools

Easy to use interface

Supports a wide range of display types

Cons

Limited advanced features compared to paid alternatives

No support for remote or automated testing

Official Links

Official Website
https://www.ryancartwright.com/apps

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The Best Screen Tester Alternatives

Top System & Hardware and Hardware Diagnostics and other similar apps like Screen Tester

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Monteon
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