Test Every Part of Your PC
Free. No Install.
The ultimate browser-based diagnostic toolkit. Identify hardware faults, benchmark performance, and export professional PDF reports — all in seconds, entirely in your browser.
Comprehensive Component Testing
Pick any component to test it instantly — no signup, no setup, no waiting.
Built Different. On Purpose.
No bloat, no paywalls, no telemetry. Just a fast, honest tool that respects your privacy.
100% Browser-Based
No downloads, no plugins. Your browser does all the heavy lifting.
Zero Data Collection
Tests run entirely on your machine. Nothing ever leaves your device.
Instant Results
Get real-time feedback as tests run, with live charts and scores.
Always Free
No freemium traps. All 11 tests are permanently free, forever.
Shareable PDF Reports
Export a professional diagnostic report to share or archive.
Cross-Platform
Works on Windows, macOS, Linux, Chromebook — any modern device.
Generate a Professional PDF Report
After any test, export a shareable, printable PDF with full diagnostic details, scores, and recommendations. No sign-in needed.
Frequently Asked Questions
Everything you need to know. Can't find your answer? Reach out on GitHub.
Ready to Diagnose Your PC?
Run a complete diagnostic scan in under 5 minutes. No account, no install, no nonsense.