SchemaLens generates your ALTER TABLE scripts in seconds. Start free, upgrade when you're ready to ship faster.
For developers who ship weekly
Lifetime access — all future updates included
14-day money-back guarantee
For engineering teams
or $290/year — save $58
For side projects & quick checks
Yes. SchemaLens runs entirely in your browser. We built a custom SQL parser in vanilla JavaScript and never upload your schemas to any server. If you close the tab, your data is gone.
PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, and Oracle. All dialects are available on every plan, including Free.
Yes. Pro and Team plans are billed monthly or annually. Cancel anytime from your Gumroad account. Annual plans are refunded pro-rata within 14 days.
We offer a 14-day money-back guarantee on all paid plans. If SchemaLens doesn't save you time, email us and we'll refund you — no questions asked.
The Free plan lets you diff unlimited tables, view visual diffs, generate migrations, and use all 5 SQL dialects. Upgrade to Pro for exports (PDF, JSON), shareable links, history, and power features.
Absolutely. Many Pro users are engineering leads who use SchemaLens for code review and staging-to-production checks. The Team plan adds shared workspaces, diff comments, and admin controls for organizations.
Email us at schemalens@proton.me or reach out on Twitter. We read every message.
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