Services — PII Anonymization Tools

Comprehensive PII detection and anonymization tools for every use case

Built for Privacy-First Organizations

cloak.business provides a complete PII protection stack for teams that handle sensitive personal data. From real-time text analysis to batch document processing and image redaction, our services integrate seamlessly into existing workflows. All processing occurs in Germany under strict EU data protection standards, with zero-knowledge architecture ensuring your encryption keys never leave your device.

  • 317 pattern recognizers across 70+ countries
  • 48 supported languages for multilingual detection
  • 7 anonymization operators including reversible encryption
  • EU-based infrastructure, GDPR Article 25 compliant

Our Services

Analyzer

Detect personal information in text with high accuracy

Our analyzer identifies PII entities like names, emails, phone numbers, credit cards, and more across 48 languages.

  • 48 supported languages
  • 30+ built-in entity types
  • Custom entity recognition
  • Configurable confidence thresholds

Anonymizer

Replace or redact sensitive information securely

Transform detected PII using multiple anonymization operators while preserving text structure and readability.

  • Replace with placeholders
  • Redact completely
  • Hash with SHA-256/512
  • Mask partially

Batch Processing

Process multiple texts at once efficiently

Analyze hundreds of texts in a single request. Perfect for processing documents, customer feedback, or support tickets.

  • Process up to 100 texts (Basic plan)
  • Single language per batch
  • Consistent entity detection
  • Export results as JSON

API Access

Integrate PII detection into your applications

RESTful API with comprehensive documentation. Integrate anonymization into your workflows, applications, or data pipelines.

  • RESTful JSON API
  • JWT authentication
  • Rate limiting & quotas
  • Comprehensive documentation

Common Use Cases

GDPR Compliance Workflows

Automatically detect and anonymize personal data in customer support tickets, emails, and documents to comply with GDPR Article 25 data minimization requirements before storing or sharing content.

AI Training Data Preparation

Scrub PII from training datasets before feeding them to large language models. Ensure your AI development process is privacy-compliant without sacrificing data utility.

Healthcare Data Sharing

Pseudonymize patient records and medical notes for research collaboration, meeting data protection standards while preserving the analytical value of the dataset.