Free browser tool
Transform dense SQL into readable queries with configurable indentation, keyword case, and compact or expanded layouts. SQLCleanr also validates common syntax issues so problems are easier to spot before execution.
Common uses
SELECT * FROM users WHERE active=1
↓
SELECT *
FROM users
WHERE active = 1
Indent joins, clauses, subqueries, and conditions to make SQL easier to understand.
select name from users
↓
SELECT name FROM users
Convert SQL keywords to upper or lower case for a consistent team style.
SELECT *
FROM users
WHERE id = 7
↓
SELECT * FROM users WHERE id = 7
Reduce unnecessary whitespace when embedding or transferring a finished query.
What it can do
Choose expanded formatting for readability or compact formatting for shorter output.
Configure keyword case and indentation size to match your SQL conventions.
Surface common syntax and structural issues without connecting to a database.
Three simple steps
Add a statement or multi-query script to the Input field.
Set the layout, indentation, keyword case, and cleanup options.
Run SQLCleanr, review validation feedback, and export the formatted query.
Helpful answers
Yes. You can format recognized SQL keywords in upper or lower case.
It checks for common structural and syntax problems, but it does not connect to a database or execute SQL.
Yes. Adjust the indentation and layout options to match your preferred SQL style.