Privacy Policy

Your privacy is our priority. Learn how we protect your data with complete transparency.

Our Privacy Promise

Shrink.zip is designed with privacy-first principles. We believe your files are yours alone. All compression happens entirely within your browser using WebAssembly technology - your files never leave your device.

This privacy policy explains what limited data we collect, how we use it, and your rights regarding your information.

File Processing & Security

No File Uploads

Your files are never uploaded to our servers or any third-party services. All compression, conversion, and processing happens locally in your browser using advanced WebAssembly (WASM) technology.

Local Processing Only

We use FFmpeg.wasm and other compression libraries that run entirely in your browser. Your device's CPU and memory handle all processing - ensuring complete privacy for sensitive documents, personal photos, and confidential files.

No File Access

We cannot see, access, or store any information about your files, including filenames, content, or metadata. Your files remain completely private and under your control at all times.

Data We Collect

Website Analytics

We use privacy-focused analytics (Umami) to understand how visitors use our website. This includes:

  • Page views and session duration
  • General geographic location (country/region level)
  • Device type and browser information
  • Referral sources (how you found our site)

We do not collect: IP addresses, personal identifiers, or any information about your files.

Usage Statistics

We may collect anonymized usage statistics such as:

  • Types of compression used (image, video, PDF)
  • General performance metrics
  • Error rates and browser compatibility

This data helps us improve the service but contains no personal or file information.

Cookies & Local Storage

Essential Cookies

We use minimal cookies and local storage for:

  • Saving your compression preferences (quality settings, format choices)
  • Basic functionality and performance optimization
  • Analytics (anonymized usage data)

No Tracking Cookies

We do not use advertising cookies, social media trackers, or any third-party tracking technologies that could compromise your privacy.

GDPR & Data Protection Rights

If you're in the European Union, you have specific rights under GDPR. However, since we collect minimal data and process files locally, most traditional data protection concerns don't apply to our service.

Your Rights Include:

  • Right to Access: Request information about data we hold
  • Right to Rectification: Correct any inaccurate data
  • Right to Erasure: Request deletion of your data
  • Right to Data Portability: Receive your data in a portable format
  • Right to Object: Object to processing of your data

Since we don't store personal files or detailed user profiles, exercising these rights is typically straightforward.

Third-Party Services

Analytics Provider

We use Umami Analytics, a privacy-focused analytics service that doesn't track individual users or collect personal information. Umami is GDPR compliant and doesn't use cookies for tracking.

CDN & Hosting

Our website is hosted on secure, privacy-respecting infrastructure. No personal data or files are transmitted to or stored on these services.

Changes to This Policy

We may update this privacy policy occasionally to reflect changes in our practices or legal requirements. Any significant changes will be clearly communicated on our website.

Last updated: September 2025