Privacy Policy

Data Processing & Privacy

What We Do

• Process your CSV files locally in your web browser
• Validate and clean UK data formats (phone numbers, NI numbers, postcodes, sort codes)
• Generate cleaned data files for download
• Provide validation reports and error analysis

What We Don't Do

• Store your data on our servers
• Transmit your files over the internet
• Share your data with third parties
• Track your usage or collect personal information
• Use cookies for tracking purposes

GDPR Compliance

This application is designed to be fully GDPR compliant:

• Data Minimization: We only process the data you explicitly choose to clean
• Purpose Limitation: Data is only used for the stated purpose of validation and cleaning
• Storage Limitation: No data is stored beyond your current session
• Transparency: All processing happens locally and is visible to you
• User Control: You have complete control over your data at all times

Technical Details

The application uses modern web technologies to ensure your data never leaves your device:

• File processing happens entirely in JavaScript within your browser
• No server-side processing or data transmission
• All validation rules and algorithms run locally
• Downloaded files are generated client-side

Browser Storage

We may use minimal browser storage for:

• Remembering your phone format preference (International vs UK)
• Storing temporary processing state during your session

This data is automatically cleared when you close your browser and contains no personal information.

Third-Party Services

This application uses:

• Tailwind CSS CDN: For styling (no data collection)
• Your Web Browser: For all processing and file operations

Contact

If you have any questions about this privacy policy or how your data is handled, please contact us through the main application.