About the SQL Formatter
Consistently formatted SQL is easier to review, diff, and debug. This formatter parses your query and reprints it with standardized keyword casing, indentation, and clause alignment, with dialect-aware handling for PostgreSQL, MySQL, SQL Server (T-SQL), and standard SQL.
Formatting runs locally in your browser, so production queries — including ones containing table names, schemas, or literal values you would rather not share — never leave your machine. Paste a one-line ORM-generated query and get a readable, reviewable statement back.
Frequently asked questions
Does formatting change what the query does?
No. Formatting only changes whitespace, line breaks, and keyword casing — the parsed statement is semantically identical. The one caveat is dialect mismatch: formatting a query with the wrong dialect selected can mangle dialect-specific syntax like PostgreSQL casts (::) or T-SQL bracket identifiers.
Which SQL dialect should I pick?
Match the database the query actually runs against. PostgreSQL handles :: casts and dollar-quoted strings, MySQL handles backtick identifiers, and T-SQL handles [bracketed] identifiers and TOP. If your query is portable ANSI SQL, the standard dialect is the safe default.
Why format SQL before a code review?
A consistent layout makes logic errors visible: a JOIN missing its ON clause, a WHERE that should be a HAVING, or an OR that needs parentheses all stand out when every clause starts on its own line. It also keeps diffs minimal when colleagues edit the query later.
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