I built Masker after needing to share financial PDFs with a tax strategist without also sharing names, addresses, tax IDs, phone numbers, and account numbers. It is a native macOS app. It finds repeated PII, uses Apple’s on-device OCR for scanned pages, and lets you review every mask before exp...
Source: [Hacker News](https://github.com/cpatil/masker/blob/main/docs/why-masker.md)