SQL Formatter

Beautify and format messy SQL queries with syntax highlighting.

Local Processing

Dialect:

Raw SQL

Formatted SQL

SELECT
  id,
  name,
  email
FROM
  users
WHERE
  active = 1
ORDER BY
  created_at DESC
LIMIT
  10;

What is SQL Formatter?

This SQL formatter reformats cramped or inconsistent SQL queries into clean, readable statements with standardized keyword casing, indentation, and line breaks. It functions as a reliable SQL beautifier for developers reviewing, debugging, or documenting complex queries with multiple joins and subqueries. Use this tool whenever you need to format SQL online without a database client or IDE plugin.

How It Works

The formatter parses your SQL into its logical clauses — SELECT, FROM, WHERE, JOIN, GROUP BY, ORDER BY, and so on — then re-indents and line-breaks the query so each major clause starts on its own line with consistent indentation for subclauses and conditions. It's a syntax-aware text formatter, not a query optimizer or validator — it reorganizes layout without altering the query's logic or execution behavior.

Is It Safe to Use?

Formatting happens entirely in your browser via JavaScript; your SQL queries, which may reference internal table names, schema details, or business logic, are never uploaded to or stored on a server.

How to Use SQL Formatter (Step-by-Step Guide)

Paste your SQL query into the input editor.
The tool automatically formats it with proper indentation and clause breaks.
Review the formatted query for readability.
Adjust keyword casing or indent style if the tool offers configuration options.
Copy the formatted SQL for use in code review, documentation, or your codebase.

Frequently Asked Questions

Does formatting change what my SQL query does?

No, formatting only changes whitespace, line breaks, and keyword casing — the query's logic, joins, and conditions execute exactly the same as before.

Can I format sql online without installing a database client?

Yes, this tool works entirely in your browser, so you can clean up query formatting without opening a SQL IDE or client application.

Is this the same as a SQL beautifier?

Yes, 'SQL formatter' and 'SQL beautifier' describe the same function — improving a query's readability through consistent indentation and structure.

Does it support complex queries with multiple joins and subqueries?

Yes, the formatter is built to handle nested subqueries, multiple JOIN clauses, and common table expressions, indenting each logical section clearly.

Will this validate whether my SQL syntax is correct?

No, it's a formatting tool, not a SQL parser that validates syntax or semantics against a specific database engine — invalid SQL will still be reformatted as best it can without errors being flagged.

Does it support different SQL dialects like MySQL, PostgreSQL, or T-SQL?

The formatter handles standard SQL syntax common across major dialects; highly dialect-specific syntax extensions may format less predictably since this isn't a dialect-aware parser.

Can pretty printing SQL help with code reviews?

Yes, consistently formatted SQL is significantly easier for reviewers to scan for logic errors, missing joins, or inefficient subqueries compared to a single-line or inconsistently indented query.

Is my query data kept private?

Yes, all formatting happens locally in your browser and your SQL is never transmitted to or logged by a server.

Report an issue with this tool