Professional blue screen tool with adjustable brightness and full screen mode. Perfect for display testing, ambient lighting, relaxation, and special effects.
Quick Start: Click "Full Screen" below to start using the blue screen tool. Adjust brightness for your needs. Blue light can be energizing - use lower brightness for relaxation.
Color: #0000FF
Perfect for testing, relaxation, and ambient lighting
Perfect for testing, backgrounds, and visual effects
Test your screen's blue color accuracy, brightness uniformity, and detect dead pixels or display issues.
Blue light can promote calmness and relaxation. Use lower brightness for meditation or stress relief.
Create blue ambient lighting for gaming setups, mood lighting, or creating a cool atmosphere.
Blue light therapy can help with seasonal affective disorder and regulate circadian rhythms.
Use pure blue (#0000FF) to test your display's color accuracy and blue channel performance.
Use blue light in the morning to boost alertness. Avoid before bedtime as it can disrupt sleep.
Blue ambient lighting can enhance gaming experience and create an immersive atmosphere.
Start with lower brightness and gradually increase. Take breaks to prevent eye strain.
Blue light can increase alertness and cognitive performance during daytime hours.
Helps regulate sleep-wake cycles when used at appropriate times of day.
Can help improve mood and combat seasonal affective disorder (SAD).