Anonymize Documents Securely

The cloak.business Desktop App keeps your documents on your device while leveraging cloud-powered PII detection. Only extracted text is sent for analysis — files are never uploaded.

Windows, macOS, Linux48 LanguagesGDPR & HIPAA ReadyEncrypted Local History

Enterprise-Grade Security, Consumer-Friendly Experience

Secure File Handling

Documents stay on your device. Text is extracted locally, sent to our secure API for PII detection, and anonymized documents are reconstructed on your machine.

  • Documents stay on your device
  • No document uploads — only text sent for analysis
  • Works with sensitive internal documents
  • Compliant with strict data policies

Military-Grade Vault Encryption

All your credentials, history, and encryption keys are protected with AES-256-GCM encryption, derived from a 24-word recovery phrase using Argon2id.

  • AES-256-GCM encryption
  • Argon2id key derivation
  • 24-word BIP39 recovery phrase
  • PIN-protected quick access

AI-Powered PII Detection

Leverage our cloud API to detect 320+ entity types across 48 languages with configurable confidence thresholds.

  • 320+ entity types across 70+ countries
  • 48 language support
  • Adjustable detection threshold
  • Context-aware recognition

Compliance-Ready Presets

Pre-configured detection profiles for GDPR, HIPAA, PCI-DSS, and more. Create custom presets for your specific needs.

  • GDPR Compliance preset
  • HIPAA Medical preset
  • Financial Services preset
  • Custom presets via web app

Reversible Encryption

Use encryption keys for reversible anonymization. Only you hold the keys - decrypt when needed while keeping documents safe.

  • Create and manage encryption keys
  • Apply encryption per entity type
  • Keys stored only in your vault
  • Decrypt anytime with your key

Multi-Format Support

Process PDF, Word, Excel, and text-based files. Convert between formats during anonymization.

  • PDF (up to 50MB)
  • DOCX (up to 30MB)
  • XLSX (up to 20MB)
  • TXT, CSV, JSON, XML

48 Languages

Interface and detection support for 48 languages. Switch languages instantly from the header.

  • Full UI in 48 languages
  • Multi-language entity detection
  • Regional preset recommendations
  • Instant language switching

Encrypted History

All your processing history stored locally in your encrypted vault. View, search, and use for deanonymization.

  • View past anonymizations
  • Copy original or anonymized text
  • Use history for deanonymization
  • Fully encrypted storage

Desktop App vs Web App

Choose the right tool for your workflow

FeatureDesktop AppWeb App
File processingLocal files + cloud analysisCloud-based
Maximum file size50MB25MB
Encrypted local history Yes No
Encryption keysLocal vaultCloud sync
Bulk processingQueue systemOne at a time
DeanonymizationBuilt-inSeparate tool
Best forSensitive documents, complianceQuick tasks, collaboration

Ready to Protect Your Documents?

Download the desktop app and start anonymizing files in minutes. Included with your subscription.