We are happy to release the OpenPII English Anonymiser —the most powerful open-source tool for redacting sensitive info from English text.
Fine-tuned Modernbert on 5.7 million+ PII examples, it’s clocking 99%+ accuracy across emails, dates, social numbers, and more!
Why it’s a big deal: ✅ Top-tier precision: 100% for passport numbers, 99.96% for emails*. ✅ Totally free: MIT license for personal or commercial use. ✅ No secrets: Full metrics shared on Hugging Face.