SQL Formatter & Beautifier - Format SQL Queries Online
Format and beautify SQL queries with support for 20+ dialects including MySQL, PostgreSQL, SQLite, and more. Fully local, instant output.
Paste any SQL query to instantly format and beautify it. Choose from over 20 SQL dialects including MySQL, PostgreSQL, SQLite, SQL Server, and more. Customize indentation, keyword case (upper/lower/preserve), and line width. Everything runs locally in your browser — your queries never reach a server. Perfect for cleaning up generated ORM SQL, log output, or messy hand-written queries.
How to use
- 1
Paste your SQL
Paste any SQL query into the left editor — SELECT, INSERT, complex joins, subqueries, or stored procedures.
- 2
Choose your dialect
Select the SQL dialect that matches your database — the formatter adjusts keyword handling and syntax rules accordingly.
- 3
Customize formatting
Adjust indent size, keyword case (upper/lower/preserve), and max line width to match your team's style guide.
- 4
Copy the result
Use Copy to grab the formatted SQL, or Download to save it as a .sql file.
FAQ
Q.Is my SQL sent to a server?
No. All formatting runs in your browser. Your queries are never transmitted anywhere.
Q.Which SQL dialects are supported?
Over 20 dialects: MySQL, MariaDB, PostgreSQL, SQLite, SQL Server (T-SQL), Oracle (PL/SQL), BigQuery, Redshift, Snowflake, Spark, Hive, DuckDB, ClickHouse, DB2, and more.
Q.Can it handle large queries?
Yes. Queries up to a few hundred KB format nearly instantly. Extremely large generated SQL may take a moment.
Q.Will formatting change my SQL semantics?
No. The formatter only adjusts whitespace and keyword casing. It never modifies identifiers, values, or query logic.