Filesystem Fingerprints for Developers
hashio is a blazing fast, developer-friendly tool for tracking, diffing, and verifying file integrity — locally or in the cloud.
Why hashio?
Tired of losing track of what changed on disk? Want to verify files haven’t drifted or been tampered with? hashio gives you full snapshot and checksum control in your terminal or your browser.
Core Features
- Super-fast hashing with
xxh64,md5,sha256, and more - Snapshot and diff entire folders — like
git difffor filesystems - Smart deduplication analysis with inode + hash matching
- CLI-first and automation-ready
- Optional cloud backend (
hashio.dev) with timelines, diffs, and file history - Slack/email alerts on integrity drift (coming soon)