Anonymize Sensitive Data. Without Uploading It.
GDPR & HIPAA-friendly tools that process your data entirely in your browser. Redact personal information, mask datasets, and anonymize documents — without a single byte leaving your machine.
PII Redactor
Automatically detect and redact personal information from CSV & Excel files. Emails, phone numbers, SSNs, names — all identified and anonymized instantly.
Data Privacy Tools
Protect sensitive information with client-side processing
Utility Tools
Everyday tools that respect your privacy
Image Converter
Convert WebP, PNG, JPG, AVIF locally
QR Code Generator
Create vector SVG & PNG QR codes
JSON Formatter
Beautify, minify & validate JSON
Password Generator
Create uncrackable passwords
Hash Generator
MD5, SHA-256, SHA-512 checksums
YouTube Thumbnail
Download high-res thumbnails
Your data never leaves your device
Unlike cloud-based tools, we don't upload your files to any server. All processing happens locally in your browser using JavaScript. Open your browser's Network tab and verify it yourself — zero external requests.
Who Uses Utilistack?
Trusted by professionals who handle sensitive data
Legal Teams
Redact case files before sharing
Healthcare
Anonymize patient data for research
HR Departments
Mask salary data for reports
Researchers
De-identify study participants