Privacy Policy
Last updated: January 2026
What We Collect
PhotoNono collects minimal data to provide our service:
- Images you upload: Temporarily processed to create puzzles, then stored as puzzle data.
- Puzzle data: Grid clues and solution images are stored to enable puzzle sharing.
- Analytics: Anonymous usage data via Vercel Analytics (page views, no personal data).
How We Use Your Data
- To generate and display nonogram puzzles
- To enable puzzle sharing via unique URLs
- To improve our service through anonymous analytics
Data Storage
Puzzle data is stored securely using Vercel Blob and Neon Postgres. Puzzles may be deleted after extended periods of inactivity.
Local Storage
We use browser localStorage to save your puzzle-solving progress. This data stays on your device and is not transmitted to our servers.
Third Parties
We use Vercel for hosting and analytics. See Vercel's Privacy Policy for more information.
Contact
Questions about this policy? Open an issue on our GitHub repository.