Instant SQL Formatter & Beautifier
Format SQL instantly for clarity and consistency.
What is SQL Formatter?
A formatter that cleans SQL without touching semantics. Paste a script, get stable, readable output that holds up in code review, migrations, and incident work.
What it guarantees
- Deterministic output from the same input
- No reordering of clauses, predicates, or hints
- Inline and block comments preserved
- Multiple statements handled in sequence
- No storage of input or output
What it covers
- Common DDL and DML:
SELECT,INSERT,UPDATE,DELETE,CREATE,ALTER,DROP - Joins, CTEs, window functions, subqueries, CASE expressions
- Consistent spacing, line breaks, and indentation for long statements
Scope
The tool focuses on standard SQL used across popular relational engines. Procedural blocks are not a target. Minification is not included.
Frequently Asked Questions
Will this change execution behavior?
No. It edits whitespace and line layout only.
How does it behave on very large scripts?
It runs in the browser. Modern desktops handle long migrations and seed files well.
What happens on a syntax error?
Your text stays intact. The formatter surfaces the problem area so you can fix and retry.
Are comments and batch separators respected?
Yes. Line and block comments are kept. Statements separated by semicolons are processed in order.
Is any of my SQL stored anywhere?
No. The page does not store or log input, output, or metadata.
Are there other names for this tool?
Yes. SQL beautifier, SQL prettifier, SQL pretty printer, and SQL tidy mean the same thing.