🔴 Red Screen

Click the red area below for a fullscreen red display. Perfect for preserving night vision, reducing blue light, or creating mood lighting.

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🌙 Night Vision

Red light preserves your night vision adaptation. Perfect for astronomers, campers, or reading in the dark without losing dark adaptation.

👁️ Eye Health

Red light has minimal blue light, reducing eye strain and potentially helping with sleep when using screens at night.

📸 Photography

Use as a dramatic red lighting source for portraits, TikToks, or creative photography. Creates bold, artistic color effects.

🎥 Video Calls

Add a unique red ambiance to your video calls. Great for themed streams, creative content, or mood setting.

About Red Screen Tool

Our red screen tool displays a vibrant red (#ef4444) background across your entire screen. Red light is commonly used to preserve night vision because it has minimal impact on the eye's dark adaptation.

This tool is popular for astronomy (star gazing requires preserved night vision), creating dramatic lighting effects for photos and videos, and reducing blue light exposure before sleep. The red screen can also create a unique ambiance for events or content creation.

How to Use

Click the red button above to enter fullscreen mode. Your entire screen will display a solid red color. To exit, click anywhere or press the ESC key. Works on all devices.