Which SQL dialects are supported?

It supports standard SQL, MySQL, PostgreSQL, and SQLite syntax.

Does it validate my SQL?

No, it focuses on formatting and beautifying the code rather than checking for logic or syntax errors.

FmtDevFree Developer Tools

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Free Offline SQL Formatter & Beautifier | MySQL, Postgres, SQL Server

FmtDev Offline SQL Formatter is a free, browser-based tool that beautify and format SQL queries to find syntax errors instantly. 100% offline, no server logs. It runs entirely on your device with zero data transmission, making it safe for proprietary code and sensitive content.