Red screen

Red Screen – A Fullscreen Tool for Display Testing and Calm Focus

Blackscreen.space/red-screen provides a pure red fullscreen display that can help you reduce glare, test display contrast, or soothe your eyes during breaks. Simple, clean, and ready in one click.

🔴 Common Use Cases

🧪 Pixel Contrast Testing: Easily detect stuck or dead pixels against a strong red background
🧘 Visual Calm: Red light can help reduce stress and support low-light focus
💻 Glare Reduction: Use in dark rooms to lower eye strain compared to white or blue light

📱 Works Across All Devices

This tool runs fullscreen on all modern browsers – Chrome, Firefox, Safari, Edge – across desktop and mobile. No downloads. No distractions.

📷 Download the Red Background

Prefer a local image? Download our red screen PNG background for use in OBS, presentations, or offline tools.

📄 License

This tool and its image are free for personal use only. Redistribution requires permission. See full license.

🧠 FAQ

Why use a red screen?

Red screens are used to reduce blue light exposure, improve nighttime visual comfort, or quickly test pixel contrast on monitors.

Does it support mobile fullscreen?

Yes. It works on any device with fullscreen-capable browsers including smartphones and tablets.