Security
How FirmHub protects your data with a local-first architecture.
Local-First Design
FirmHub operates entirely in your browser. Your firmware files, device configurations, and serial data never leave your machine. There are no servers, no cloud storage, and no telemetry.
Security Features
Zero Data Transmission
All operations happen locally in your browser
Web Serial API
Direct browser-to-device communication
Integrity Verification
SHA-256 checksums validate firmware
Open Source
Fully auditable codebase
What We DON'T Collect
- No firmware files are uploaded
- No device information is transmitted
- No serial logs are stored
- No analytics or tracking
FirmHub works completely offline after initial page load. You can disconnect from the internet and continue flashing.
Related
Firmware Verification →
Checksum and signature validation