SQL Formatter & Checker
Online SQL formatter and syntax checker. Pretty-print SQL with selectable dialect (standard, MySQL, PostgreSQL, SQLite, T-SQL, PL/SQL), minify for embedding, and catch obvious errors before running.
SQL input
Formatted output
How to use
- Paste input or drop a file above.
- Adjust options (delimiter, dialect, quality, ratio).
- Copy result or download — no sign-up needed.
FAQ
Which dialects are supported?
Standard SQL, MySQL, PostgreSQL, SQLite, Transact-SQL, and PL/SQL via sql-formatter.
Does it validate queries?
It checks formatting-level issues: unbalanced parentheses, unclosed strings, and empty statements. For full semantic checks, run EXPLAIN in your database.