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Database Query Formatter

Developer

Format and prettify SQL queries with keyword highlighting and indentation.

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SQL Query
Formatted
SELECT u.id, u.name, o.total
FROM users u
JOIN orders o on o.user_id = u.id
WHERE o.total > 100
AND u.active = true
ORDER BY o.total desc
LIMIT 10;

A query pulled straight from a database's slow-query log or an ORM's debug trace usually shows up as one dense, unreadable line, generated by application code rather than typed by a person, which is a genuinely different starting point than a query already being hand-written in an editor with at least some formatting applied as it goes. This tool formats and prettifies SQL queries with keyword highlighting and indentation, built around turning a raw, machine-generated query string into something readable for actual debugging.

See more about the Database Query Formatter

Useful for formatting a query copied straight out of a slow-query log to actually understand what it's doing, cleaning up an ORM's auto-generated SQL trace before diagnosing a performance issue, or making a dense, single-line query readable enough to spot the actual problem in it.

Key features

  • Clean interface
  • Fast processing
  • No signup required
  • Works offline

Quick answers for Database Query Formatter

Which SQL keywords get their own line?
Major clauses like SELECT, FROM, WHERE, the JOIN variants, GROUP BY, ORDER BY, HAVING, LIMIT, and more each start a new line, with AND/OR conditions indented beneath them.
Does it validate that my SQL is correct?
No, it only reformats and highlights keywords in whatever text you provide, it does not parse or check the query's SQL syntax.
What SQL dialect does the keyword list target?
A general ANSI-style vocabulary covering SELECT, INSERT, UPDATE, DELETE, and common clauses, not a database-specific dialect like PL/pgSQL or T-SQL extensions.