anonymize.today

Powerful Features for Complete Data Protection

Everything you need to detect, analyze, and anonymize personal information in your documents with professional security.

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PII Detection

Detect 256 entity types including names, emails, phone numbers, credit cards, SSNs, IBANs, IP addresses, and more across multiple categories.

  • 256 entity types
  • Pattern-based detection
  • Confidence scoring
  • Custom entity support
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Anonymization Methods

Choose from 5 proven anonymization methods: Replace, Redact, Hash (SHA-256), Encrypt (AES-256-GCM), or Mask to fit your compliance requirements.

  • Replace with fake data
  • Redact completely
  • Hash with SHA-256
  • Encrypt with AES-256-GCM
  • Mask partially
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Multi-Language Support

Full support for 27 languages including English, German, Spanish, French, Italian, Portuguese, Dutch, Polish, Russian, Japanese, Chinese, Korean, Arabic, Hindi, Turkish, Romanian, Greek, and more.

  • 27 languages
  • RTL support (Arabic)
  • Language auto-detection
  • Mixed-language documents
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Office Add-in

Anonymize documents, spreadsheets, and presentations directly in Microsoft Word, Excel, and PowerPoint. No copy-paste needed—work where you already are.

  • Word, Excel & PowerPoint
  • 256 entity types
  • 27 languages supported
  • Reversible encryption
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Desktop App

Process documents locally with our secure desktop app. Multi-format support for PDF, DOCX, XLSX with offline capability and military-grade encryption.

  • Windows, macOS, Linux
  • PDF, DOCX, XLSX support
  • Offline capability
  • Secure vault system
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Mobile App

Use anonymize.today on any mobile browser. No app installation needed - the full web app works perfectly on iOS and Android.

  • Works on any mobile browser
  • No app store required
  • Same features as desktop
  • Secure encrypted connection
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Developer Preview

Chrome Extension

Protect your AI conversations with ChatGPT, Claude, and Google Gemini. Automatically detect and anonymize personal data before it reaches AI chatbots. To join the Developer Preview, contact us via our contact form.

  • ChatGPT, Claude & Gemini support
  • Real-time PII detection
  • Reversible encryption
  • Contact us to join preview
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API Integration

RESTful API for developers to integrate PII detection and anonymization into any application or workflow. Full documentation available.

  • RESTful endpoints
  • JWT authentication
  • Rate limiting
  • Comprehensive docs
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Why Choose anonymize.today?

Deterministic, auditable results you can trust for regulatory compliance

Our Approach: Regex-Based

  • 100% reproducible results
  • Fully auditable for compliance
  • No training data required
  • Transparent pattern matching
  • Fast, predictable performance

AI/ML-Based Solutions

  • ⚠️Results vary between runs
  • ⚠️Black box decision making
  • ⚠️Requires training data
  • ⚠️Model drift over time
  • ⚠️Higher compute costs
Enterprise Solution

Need More Power?

Discover anonym.legal with web-based FileDrop, batch file processing, MCP Server for AI integration, and 48 languages.

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Frequently Asked Questions

How many PII entity types can anonymize.today detect?
anonymize.today detects 256 PII entity types organized across 10 categories: Personal (names, emails, phone numbers), Financial (credit cards, IBANs, SWIFT codes), Location (addresses, coordinates), Government (SSNs, passports, driver licenses from 70+ countries), Contact (URLs, domains), Technical (IP addresses, MAC addresses), Temporal (dates, ages), Organizational (company names, job titles), Medical (health data, medical licenses), and Custom (user-defined patterns).
What anonymization methods are available?
anonymize.today offers 5 anonymization methods: Replace (substitute with a placeholder like [PERSON]), Mask (partially hide characters, e.g., J*** D**), Redact (remove text completely), Hash (one-way SHA-256 transformation for permanent anonymization), and Encrypt (AES-256-GCM reversible encryption that allows deanonymization with the same key).
Which languages does anonymize.today support for PII detection?
anonymize.today supports 27 languages for PII detection: 12 via spaCy (English, German, Spanish, French, Italian, Portuguese, Dutch, Polish, Russian, Japanese, Chinese, Korean), 12 via Stanza (Romanian, Greek, Croatian, Slovenian, Macedonian, Swedish, Danish, Norwegian, Finnish, Ukrainian, Lithuanian, Catalan), and 3 via Transformer models (Arabic, Hindi, Turkish).
Can I create custom entity patterns?
Yes, anonymize.today supports custom entity creation using regex patterns for industry-specific or organization-specific data types. Users on Basic plans and above can also use AI-powered entity creation, which generates optimized regex patterns from natural language descriptions through a 4-step wizard.
Does the Chrome Extension work with ChatGPT?
Yes, the anonymize.today Chrome Extension (currently in Developer Preview) works with ChatGPT, Claude, and Google Gemini. The extension intercepts messages before they are sent to AI chatbots, detects PII, and anonymizes sensitive data. Reversible encryption allows automatic decryption of AI responses containing encrypted values.
Is there a desktop app for offline use?
Yes, anonymize.today offers a Tauri-based desktop app for Windows, macOS (Intel and Apple Silicon), and Linux. The desktop app processes PDF, DOCX, XLSX, CSV, JSON, XML, and TXT files locally with an encrypted vault system using BIP39 24-word recovery phrases, Argon2id key derivation, and AES-256-GCM encryption. Offline mode is available using cached presets.

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