4 FREE TOOLS
Quick checks for PCs, displays, and input devices
Test keyboards, mice, screens, file integrity, and browser-visible PC information without installation.
BEFORE YOU START
System
Browser-based diagnostics work only within information a browser can access. They can show input response, display patterns, and file hashes, but temperatures, SMART data, and malware require dedicated diagnostic software.
- Check keyboard and mouse input response
- Inspect pixels with full-screen colors
- Verify file hashes and browser-visible system data
TOOLS
Choose a System tool
Keyboard & Mouse Tester
Is a key missing presses? Check the events your browser receives as you press, release, and move the mouse.
Open tool →Monitor Dead Pixel & Color Test
Does one spot look unusually bright or dark? Switch between solid colors and gradients to inspect it visually.
Open tool →File & Text Hash Checker
Compare a downloaded file with its original, or calculate MD5, SHA-1, and SHA-256 for text.
Open tool →PC Status & Performance Checker
When pages feel slow, check browser calculation speed alongside Baro Tool response time.
Open tool →PRACTICAL GUIDES