Show HN: PDF redaction that works automatically, all on your device

Category: security

Tags: pdf, redaction, privacy

Score: 6.0/10 (Innovation: 5, Technical: 6, Documentation: 6, Utility: 7)

A privacy-focused PDF redaction tool that runs entirely on-device, automatically detecting sensitive information like names, SSNs, and card numbers via OCR while requiring user approval for each redaction. It optionally provides a dated, hashed audit trail for compliance. The project addresses a clear need for secure document processing without cloud uploads.

Target audience: backend devs, devops, data engineers

Repository: https://nimbril.com/

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