Ferret Scan

Offline CLI and Go library that detects and redacts PII, secrets, and credentials in files.

Desktopfree

ferret-scan is a free, offline command-line tool and Go library that detects personally identifiable information, secrets, and credentials in files and data streams, then redacts them in place while preserving their format. It scores findings with context-aware confidence and runs entirely on the local machine, letting developers and security teams catch sensitive data leaks in CI pipelines or pre-commit hooks without sending data to an external service.

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Behind the summary, Matchbox keeps a richer profile of Ferret Scan - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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