Git Branch Schema Diff

Compare database schema files between any two Git branches, tags, or commits. Fetch from public GitHub, GitLab, or Bitbucket repos and diff instantly in SchemaLens.

⚡ Quick Presets

Click any preset to auto-fill the form with a real-world schema comparison.

🚀 Want to diff your own schemas?

Paste two CREATE TABLE dumps into SchemaLens and get an instant visual diff + migration script.

Open SchemaLens App →

🪝 Catch breaking changes before commit

Generate a pre-commit hook that diffs your schema locally on every commit — before it reaches CI/CD.

Generate Pre-commit Hook →
Works with any public GitHub repository. For private repos, paste your schema dumps directly into SchemaLens.
SchemaLens does not store your schema data. All diffing happens in your browser.