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Beta We're in open beta - lock in lifetime access to today's feature set for just £99.99.

Why Choose Simple Data Cleaner?

The only UK data validation tool that processes everything in your browser. Your data never leaves your device - guaranteed.

What Makes Us Different

100% Browser-Based Processing

Unlike cloud-based tools, your sensitive data never leaves your device. No uploads, no third-party servers, no data breaches. Perfect for healthcare, legal, and financial sectors.

GDPR Compliant by Design

Browser-based processing means you're automatically compliant. No data processing agreements needed, no third-party risk assessments. Your data stays on-premise.

Built for UK Data Formats

HMRC-compliant validation for UK phone numbers, postcodes, NI numbers, and bank details. We understand UK data standards, not generic international formats.

Try Before You Buy

Test our tool with sample data on our free example page - no subscription required. See exactly how it works before committing. Transparent pricing, no hidden fees.

Browser-Based vs Cloud Data Cleaning

Feature Simple Data Cleaner
(Browser-Based)
Cloud-Based Tools
Data Privacy
Never leaves your device
Uploaded to servers
GDPR Compliance
Compliant by design
Requires DPA & risk assessment
UK Data Formats
HMRC-compliant
Generic formats
Internet Required Yes (to load tool) Yes (for uploads)
File Size Limits Browser memory dependent Server/plan limits
Setup Time Subscription required Account creation required

Perfect For

Healthcare & NHS

Process patient data without uploading to third-party servers. Essential for NHS compliance and data protection.

Legal Firms

Clean client data while maintaining solicitor-client privilege. No data leaves your secure environment.

Financial Services

Validate customer data for FCA compliance. Process sensitive financial information securely.

HR Departments

Clean employee data without exposing PII to external services. GDPR-compliant processing.

Small Businesses

Affordable, transparent pricing. No enterprise contracts needed. Perfect for growing businesses.

Data Analysts

Clean data before analysis without compromising privacy. Export in CSV, Excel, or JSON formats.

Ready to Try It?

See how browser-based data cleaning works with our free example page. No sign-up required.