Blue Screen
Free fullscreen blue screen tool. Use for stuck pixel detection and display color testing.
Press ESC to exit
Download Blue Screen Image
What Is a Blue Screen Tool?
A blue screen tool fills your entire display with a solid blue background (#2196f3). Works on any device with no downloads required.
Best uses: Stuck pixel detection (red/green channels), display color calibration, ambient lighting.
Frequently Asked Questions
A white screen displays a pure white background across your entire display. It's used for monitor cleaning, dead pixel detection, video call lighting, photography, tracing, and focus work.
Visit this page and click "Open Fullscreen." Your screen will instantly fill with pure white. Press ESC to exit.
Not if used at a comfortable brightness. Reduce your screen brightness to 40–60% for extended use. Take regular breaks following the 20-20-20 rule (every 20 minutes, look at something 20 feet away for 20 seconds).
Yes. The tool works on all modern browsers on iOS and Android. Tap the fullscreen icon for the best experience.
White is best for fingerprints, smudges, and stuck pixels. Black is best for dust and dead pixels. For a complete check, cycle through white, black, red, green, and blue.
Yes, completely free. No account required, no downloads, no ads.
Yes. Use the download button to save a white PNG image in resolutions from 480p up to 8K.