MaskWise: Redact, mask, and anonymize data in training files for LLMs

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If you’re working with LLM training data (like I often am), you’ll know how tricky it can be to scrub out PII without breaking the dataset. I have been using MS Presidio for some time and decided to build a UI on top of it. This is a tool that scans and recognizes sensitive bits in text (eg names, emails, addresses etc), processes images to mask whats sensitive and handles structured data. Everything is written in ts + nodejs, with great help from Claude Code :) It's still early so feedback & contributions are more than welcome.

Visit product View on Hacker NewsAug 27, 2025

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