Free Screen Test
Cycle a color swatch through red, green, blue, white and black to check your display.
It is a quick color check, not a full-screen dead pixel scan.
- Runs locally
- Start the test
- Press, click or listen
- Read the result
- Free
- No sign-up
- Runs in your browser
- No watermark
This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.
Use cases
Where it helps
Quick answers
Open the page and get a result without installing an app.
Any computer
It works in a current browser on Windows, macOS, Linux or ChromeOS.
Nothing to clean up
Close the tab when you are done. PoYo keeps no copy.
Three steps
How to use Free Screen Test
Start the test
The browser asks before it opens a camera or microphone.
Press, click or listen
Press keys, move the mouse, play a tone or cycle colors.
Read the result
The page shows what the device sent.
Features
What this tool includes
Runs locally
This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.
Start the test
The browser asks before it opens a camera or microphone.
Press, click or listen
Press keys, move the mouse, play a tone or cycle colors.
Read the result
The page shows what the device sent.
PoYo
Need a new image or video?
These free tools work on files you already have. To create an image, video or audio from a description, open a PoYo generator.
Free Screen Test FAQ
Do I need an account?
No. Open the page and use it.
Is what I enter sent anywhere?
This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.
Does it cost anything?
No. It is free and does not use PoYo credits.
Can I use it on my phone?
Yes, in a current mobile browser. Tools that need a physical keyboard or mouse are easier on a computer.
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Free Microphone Test
Check that your microphone picks up sound and see its input level. The audio is read for a moment in your browser and is not recorded or uploaded.
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Free Webcam Test
Turn on your webcam to check that it works and see a live preview. The video stays in your browser; nothing is recorded or uploaded.
Free to use, right in your browser.
Cycle a color swatch through red, green, blue, white and black to check your display. It is a quick color check, not a full-screen dead pixel scan.