SQL Formatter
Beautify SQL queries for PostgreSQL, MySQL, SQL Server, SQLite and more.
How to use SQL Formatter
- Paste one or more SQL statements.
- Pick your database dialect and keyword style.
- Copy or download the formatted query.
How it works
Formatting uses the open-source sql-formatter library, which understands each dialect’s keywords, quoting and comments, so [brackets] in T-SQL or backticks in MySQL are handled correctly. Formatting only changes whitespace and keyword case; it never changes what the query does.
Your queries stay in the browser. That matters because SQL often contains table names, customer data in literals or credentials in connection strings.
Frequently asked questions
Will formatting change my query’s result?
No. Only spaces, line breaks and keyword case change. String literals and identifiers are left exactly as written.
Why did I get a parse error?
The formatter needs syntactically complete statements in the chosen dialect. Check the dialect setting and look for unclosed quotes or parentheses.
Does it validate SQL against my database?
No. It understands syntax, not your schema, so unknown tables or columns are not detected.
Is my SQL uploaded?
No. Formatting runs locally.
Limitations
- Stored-procedure syntax varies by dialect; complex procedural code may not format perfectly.
- Very long queries may take a moment on older phones.
Last reviewed November 9, 2026. How we build and test tools.