Audit your browser tracking vulnerability, calibrate device hardware outputs, and test webcams natively in your browser sandbox — 43 free privacy and hardware tools that evaluate keyboard keys, check RAM bounds, detect CPU threads, analyze screen refresh rates, and audit WebRTC leaks safely on your local device.
These eight Hardware & Privacy utilities handle common tasks instantly and securely inside your browser sandbox.
Test for browser WebRTC IP leaks, identifying if your private or VPN addresses are exposed.
Audit WebRTCRecord screen viewports, active applications, or tabs client-side with audio and HD exports.
Start RecordingTest keys rollover, keycodes, and identify sticky or ghosting buttons on an interactive virtual keyboard.
Test KeyboardAnalyze your browser's canvas fingerprinter, tracking flags, and unique device cryptographic hashes.
Check FingerprintAudit cookies, tracking protections, and fingerprinting vectors to calculate an absolute privacy grade.
Get ScoreValidate your web camera connection, adjust frame rate speeds, and capture local snapshots securely.
Test CameraVerify your local system hardware specs, identifying CPU logical cores and thread limits instantly.
Check CPU CoresAudit your device battery levels, charging status, and remaining runtime estimates completely client-side.
Check BatteryUnlike cloud services that track inputs and upload documents, BunchTool processes everything locally on your device CPU with zero server costs.
BunchTool is the ultimate client-side sandbox workstation for free, browser-native Hardware & Privacy. By processing 100% of inputs, files, and calculations inside your browser via local JavaScript compilers, BunchTool provides a secure, private, and high-performance environment for modern copywriters, system administrators, and digital engineers.
Unlike traditional online converters or calculators that capture and log private data, BunchTool enforces an absolute zero server-upload policy. Your confidential files, copywriting texts, and code playgrounds never leave your device.
| Feature | BunchTool Hardware & Privacy | Alternative Cloud Tools | Desktop Applications |
|---|---|---|---|
| Zero Server Logs | ✓ 100% Client-side | ✗ Captured in cloud | ✓ Yes |
| Works Offline | ✓ Yes | ✗ Internet required | ✓ Yes |
| No Registration | ✓ Yes | ⚠ Limited trials | ✓ Yes |
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Text converters, SEO utilities, calculators, design tools, developer utilities — all free, all browser-based, all private.
Explore All 247 tools →Your browser is a powerful tool. BunchTool gives you 247 free utilities — merge PDFs, count words, convert files, generate passwords — all offline. Zero uploads. Zero accounts.