data_redactor

https://github.com/danielefrisanco/data_redactor

A Ruby gem with a C extension for high-performance scanning and redaction of 85 sensitive patterns — API keys, tokens, credentials, IBANs, national IDs, emails, phone numbers, and PII from 15+ countries. Optional Logger formatter, Rails filter_parameters adapter, and Rack middleware. Designed to sanitize text before sending to LLMs, logging systems, or any public/third-party API.