Privacy Policy

Your privacy is our top priority. pdf0 processes all documents locally in your browser.

Our Privacy Commitment

100% Client-Side Processing

All PDF editing happens in your browser

Zero Server Uploads

Your documents never leave your device

No Account Required

Use all features without signing up

No Tracking

We don't track your document content or edits

Information We Collect

✅ What We DO Collect:

  • Analytics Data: Basic usage statistics through privacy-focused analytics
  • Error Reports: Technical errors to improve the application
  • Browser Storage: Your signatures stored locally on your device

❌ What We DON'T Collect:

  • ×Your PDF documents or their contents
  • ×Text or signatures you add to PDFs
  • ×Personal identification information
  • ×Email addresses or contact information
  • ×Payment or financial information

How pdf0 Protects Your Privacy

Technical Explanation: pdf0 uses WebAssembly and JavaScript libraries that run entirely in your browser. When you upload a PDF, it's processed using your device's computing power, not our servers.

1

Local Processing

When you select a PDF, it's loaded into your browser's memory

2

Browser-Based Editing

All modifications use JavaScript and WebAssembly running on your device

3

Direct Download

Edited PDFs are generated and downloaded directly from your browser

4

Automatic Cleanup

Files are removed from browser memory when you close the tab

Local Storage & Cookies

pdf0 uses minimal browser storage to enhance your experience:

LocalStorage

Purpose: Save signature for reuse

Duration: Until cleared by user

SessionStorage

Purpose: Temporary PDF data during editing

Duration: Until tab is closed

Analytics Cookie

Purpose: Anonymous usage statistics

Duration: 30 days

💡 You can clear all stored data at any time through your browser settings.

Third-Party Services

pdf0 uses minimal third-party services:

CDN (Content Delivery Network)

For faster loading of the application files

Privacy-Focused Analytics

Anonymous usage data to improve the service

Error Monitoring

Technical error reporting (no document content)

⚠️ None of these services have access to your PDF documents or their contents.

Data Security

🔒

HTTPS Encryption

All connections use SSL/TLS encryption

🚫

No Data Retention

We don't store your documents on any server

📖

Open Source Libraries

We use trusted, audited PDF processing libraries

🔄

Regular Updates

We keep all dependencies updated for security

Your Privacy Rights

Since we don't collect personal data, traditional data rights (GDPR, CCPA) don't apply. However, you always have the right to:

  • Use pdf0 completely anonymously
  • Clear your browser's local storage at any time
  • Disable analytics through browser privacy settings
  • Use browser privacy modes (Incognito/Private) for additional privacy

Children's Privacy

pdf0 doesn't knowingly collect any information from anyone, including children under 13. The service can be used by anyone as it doesn't require personal information.

Changes to This Policy

We may update this privacy policy from time to time. Changes will be posted on this page with an updated revision date. Since we don't collect email addresses, we cannot notify users directly of changes.

Contact Us

If you have questions about this privacy policy or pdf0's privacy practices, you can:

  • Open an issue on our GitHub repository
  • Contact us through our website's contact form

🔒 Privacy TL;DR

Your PDFs never leave your computer. Everything happens in your browser. We don't see, store, or have access to your documents. It's like using desktop software, but in your browser. That's it. That's the privacy policy.