Privacy Policy

What We Collect

When you use PaperFlow, we collect:

• PDF files you upload for conversion
• IP address and user agent for rate limiting and analytics
• Usage analytics via PostHog (page views, conversion events)
• Feedback you voluntarily submit

How We Use Your Data

We use your data to:

• Convert your PDFs into readable web articles
• Generate shareable links for your converted papers
• Improve our service through analytics and feedback
• Prevent abuse through rate limiting

Data Storage

Converted papers are stored on our servers to enable shareable links. We store the processed markdown, extracted images, and metadata needed to render your reading page.

Original PDF files are processed through the Datalab Marker API and are not permanently stored by us.

Third-Party Services

We use:

• Datalab Marker API — PDF to markdown conversion
• PostHog — Privacy-friendly analytics (optional, can be disabled)
• Vercel — Frontend hosting
• Railway — Backend hosting

Your Rights

You have the right to:

• Request deletion of your converted papers
• Access the data we store about you
• Opt out of analytics tracking

To exercise these rights, contact us at contact@paperflow.app

Data Retention

Converted papers are retained indefinitely to support shareable links. You may request deletion at any time.

Changes to This Policy

We may update this policy from time to time. Continued use of PaperFlow after changes constitutes acceptance of the updated policy.

Contact

Questions about privacy? Email us at contact@paperflow.app