2 tools
A fullscreen white display that runs directly in your browser without requiring any account or download. Simply open the website and your entire screen fills with pure white light, instantly ready for use. The full-brightness display is optimized for maximum illumination across your monitor. The tool serves multiple purposes: detect dead pixels on displays, provide fill light during video calls or photography sessions, illuminate spaces for creative work, and assist with general screen cleaning tasks. Its simplicity and instant availability make it accessible on any device with a web browser, making it useful for photographers, videographers, and anyone needing emergency lighting or display testing.
DisplayCheck provides comprehensive browser-based diagnostic testing for monitors and display devices of all kinds. Users can run tests for common hardware issues including dead pixels, OLED burn-in patterns, color accuracy and handling across the full spectrum, refresh rate performance and consistency, HDR capabilities and tone mapping, and image ghosting and motion artifacts. The service covers both functional hardware diagnostics and comprehensive visual quality assessment metrics for display performance. No software installation or downloads are required. Simply open the tool in any web browser to access the complete testing suite immediately. It works on any device with a screen that supports standard web technologies, making it accessible for desktop monitors, laptop displays, tablets, and mobile devices. The browser-based approach delivers results without setup overhead.