EasyFilesConverter

Dead pixel test

Fill your screen with pure red, green, blue, white and black to find dead or stuck pixels and backlight bleed.

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Free · No sign-up · Your files are processed on your device and never uploaded

How to use Dead pixel test

  1. Open the page…
    1

    Paste or type

    Put your content in the box - or try the example.

  2. Go full screen
    2

    Watch the result

    Pick the options you want - the defaults suit most files.

  3. TXTYour result
    3

    Download the result

    Ready in seconds. Your file never left your device.

Features

  • Full-screen colours.
  • Keyboard and click navigation.
  • Works on monitors, laptops and phones.

Free and private

It runs entirely in your browser - nothing is recorded, uploaded or stored on a server.

Questions

Can a stuck pixel be fixed?

Sometimes - running fast flashing colours over it for a while can wake it; dead (black) pixels usually cannot.

Is it free?

Yes - free and unlimited, with no sign-up and no watermark.

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