Developers & IT Pros
33 toolsNetwork diagnostics, browser testing, and hardware validation tools. DNS lookup, IP analysis, system diagnostics, display calibration, and accessibility checking.
Monitor Color Test
Check color accuracy, gamma, contrast, and gradients — all in the browser
GPU Benchmark
WebGL-based GPU benchmark that tests particles, 3D geometry, and shaders. Produces a score from 0 to 10,000. Includes stress test mode.
CPU Benchmark
Test your processor speed with single-thread and multi-thread benchmarks
Camera Test
Test your webcam for resolution, FPS, sharpness, noise, lighting, and color accuracy.
Bluetooth Keep Alive
Prevent your Bluetooth speakers, headphones, car audio, and hearing aids from disconnecting. An inaudible keep-alive signal stops Bluetooth timeout.
Keep Screen On
Keep your screen on and prevent your device from sleeping — works right in your browser, no installation needed.
Text Formatter
All-in-one text formatter: 60+ operations for case conversion, cleaning, encoding, fancy text. Free, private, in browser.
Color Accessibility Checker
Pick two colors to check contrast ratio and colorblind visibility.
Colorblind Simulator
Upload an image to compare original and colorblind views side by side.
