GDPR Shield – Local Data Anonymizer is a powerful offline desktop application designed to help you safely anonymize sensitive personal data stored in Excel files.

Whether you work with customer lists, CRM exports, HR records, invoices, support logs, contact databases, or business spreadsheets — GDPR Shield makes it fast, easy, and fully compliant to remove or replace personal information.

✔ 100% Offline & Secure

Your data never leaves your computer.
No cloud services. No uploads. No API keys.
Everything runs locally, making GDPR Shield safe for confidential business documents.

✔ Automatic Detection & Smart Anonymization

The tool automatically recognizes common personal data fields such as:

• Full names
• First / Last names
• Emails
• Phone numbers
• Addresses
• Cities
• Birth dates
• Company names
• Notes / descriptions
• Any free-text fields

Choose the anonymization method for each column:

• Replace with realistic fake data
• Clear the content
• Redact (*****)
• Keep original
• Generate business-style placeholder notes
• Deterministic mode (same input → same output)

✔ Built for GDPR, Privacy Audits & Data Sharing

Ideal for:

• Sharing datasets internally without exposing private data
• Sending anonymized samples to developers or consultants
• Preparing training data sets
• Creating test databases
• Cleaning spreadsheets before publishing
• Removing personal identifiers during audits
• Ensuring GDPR compliance when data must be shared or processed

✔ Extremely Easy to Use

1. Load your Excel file
2. Select how each column should be anonymized
3. Save the anonymized version

Done in seconds — even for large datasets.

✔ Professional Features

• Auto-detection of personal data columns
• Smart Faker-based anonymization (sk_SK + en_US)
• Deterministic output (consistent pseudonymization)
• Preserves Excel formatting and structure
• Scrollable interface for large spreadsheets
• Designed for office users with zero technical skills

🛡️ Your Data. Your Computer. Fully Anonymous.

GDPR Shield gives you complete control over sensitive information, letting you safely use, share, or process your data — without risking privacy violations.