Hardware & Screen Tests — Free Online Tools

Collection of free hardware and screen tools: graphics benchmarks, CPU stress tests, dead pixel checks, color sensitivity, keyboard tester, and more.

All Hardware & Screen Brain & Cognitive Productivity & Utility Text & Social Games & Fun Education & Reference Media & Arts

3D Graphics Benchmark v3.0 - PBR & High-Poly GPU Test

Next-Gen 3D Graphics Benchmark (PBR). Stress test your GPU with cinematic quality rendering. Features anti-cheat, virtual resolution, and enhanced shader complexity for accurate mobile and PC comparisons.

GPU Compute Benchmark - Raw Math & Shader FLOPS Test

Measure your GPU raw compute power with heavy shader math loops. Test float operations, trigonometry, and pure FLOPS performance.

CPU Benchmark Online - Processor Stress Test

Test your processor speed online with multi-core stress testing. Measures Integer, Float, Memory, and Crypto performance. Note: Please keep this page focused during the test.

Dead Pixel Test - Online Monitor Screen Check (Custom Colors)

Free online screen test tool. Detect dead pixels, stuck pixels, and backlight bleeding. Add custom HEX colors and share your config via link.

Monitor Grayscale Test - Black Level & Banding

Test monitor contrast, color banding, and black level limits. Includes 256-level gradient chart and OLED black level challenge.

Color Sensitivity Test - Spot the Difference

Online Color Sensitivity Test. Can you distinguish subtle color shades? Challenge your visual perception and color discrimination skills with this professional-grade test based on HSL color space.

Color Blindness Test - Ishihara Survival Challenge

Take this professional online color blindness test based on dynamic Ishihara plates. Assess your red-green color vision deficiency quickly. Challenge yourself with our timed survival mode starting with 15 seconds.

Hearing Test - Test Your Frequency Range & Hearing Age Online

Test your hearing range and discover your hearing age. Discover which frequencies you can hear with this free online hearing test.

LED Banner Scroller - Concert Text Display

Turn your phone into a glowing LED banner! Perfect for concerts, sports events, and parties. Customize your scrolling text with colors, speed, and blinking effects. Screen stays on with Wake Lock.

Virtual Glow Stick - Phone Light for Concerts

Turn your phone into a glowing light stick! Perfect for concerts, parties, and events. Choose from vibrant colors and add pulsing effects. Screen stays on with Wake Lock.

Decibel Meter - Sound Level Meter Online

Free online decibel meter using your phone's microphone. Measure sound levels in real-time, perfect for concerts, noise monitoring, and audio testing. Privacy-first: audio processed locally only.

Keyboard Tester - N-Key Rollover & Anti-Ghosting Test

Test your keyboard's N-Key Rollover (NKRO) and detect anti-ghosting limits. See how many keys your keyboard can register simultaneously.

Hardware & Screen Tests — Free Online Tools

Test GPU, CPU, screen, keyboard, color accuracy, and audio hardware with free online benchmarks. No install required. Collection of free hardware and screen tools: graphics benchmarks, CPU stress tests, dead pixel checks, color sensitivity, keyboard tester, and more.