Privacy Policy

Last updated: May 2, 2026

TL;DR: SchemaLens is a privacy-first tool. Your SQL schemas are parsed and diffed entirely in your browser. We cannot see your data, and we do not want to.

1. Information We Do Not Collect

SchemaLens does not collect, store, or transmit your SQL schemas, database dumps, or migration scripts to our servers. All processing happens locally in your web browser using JavaScript.

2. Information We Do Collect

We collect only the minimum data needed to operate the service:

3. Chrome Extension

The SchemaLens Chrome extension:

4. Third-Party Services

We use the following third-party services:

5. Cookies

SchemaLens does not use tracking cookies. We use localStorage to remember your theme preference and diff history. This data stays in your browser.

6. Data Retention

Since we do not collect your schemas, there is no schema data to retain. Analytics data is retained by Vercel for 30 days. Email addresses are retained until you unsubscribe.

7. Your Rights

You have the right to:

8. Changes to This Policy

We may update this privacy policy from time to time. Changes will be posted on this page with an updated date.

9. Contact

If you have questions about this privacy policy, please contact us at hello@schemalens.tech.