SQL Formatter
Beautify SQL with uppercase keywords and clause indentation, or minify it to a single line. Runs entirely in your browser.
Input SQL
Formatted SQL
Why use our SQL Formatter?
Instant Readability
Uppercase keywords and clause-based indentation turn dense one-line queries into readable, reviewable SQL.
Format or Minify
Beautify for code review, or minify to a single line for logs, embedded strings, or quick pasting.
100% Client-Side
Queries are formatted entirely in your browser. Nothing is uploaded, so schema and data stay private.
What is a SQL Formatter?
A SQL formatter rewrites a SQL statement with consistent capitalization, line breaks, and indentation so it is easier to read and review. It typically breaks clauses like SELECT, FROM, WHERE, and JOIN onto their own lines, indents column lists and boolean conditions, and uppercases reserved keywords for quick scanning.
Our free online SQL formatter is a lightweight, browser-only beautifier — it isn't a full SQL parser, but it handles common SELECT, INSERT, UPDATE, DELETE, and DDL statements well. Paste a query, format it for readability, or minify it back down when you need a compact one-liner for a config file or log entry.
What You Can Do
- Keyword casing:Automatically uppercases SELECT, FROM, WHERE, JOIN, AND, OR, and more.
- Clause breaks:Starts a new line for major clauses like WHERE, GROUP BY, and ORDER BY.
- Column indenting:Indents SELECT and GROUP/ORDER BY lists one item per line.
- Condition indenting:Breaks WHERE/HAVING conditions at top-level AND/OR.
- Minify mode:Strips comments and collapses whitespace into a compact single-line query.
- String-safe:Quoted string literals are protected so formatting never rewrites your data.
Common Use Cases
Code Review
Turn a compressed query pasted from a log or ORM into readable SQL before reviewing a pull request.
Debugging Slow Queries
Format a query from EXPLAIN output or a slow query log to spot missing indexes or bad joins faster.
Documentation
Beautify example queries before pasting them into README files, wikis, or onboarding docs.
Migration Scripts
Clean up generated CREATE TABLE and ALTER TABLE statements from schema migration tools.
Minifying for Configs
Collapse a formatted query into one line when it needs to live in an environment variable or JSON field.
Learning SQL
See how clauses and boolean logic are structured by comparing raw and formatted versions side by side.
How to Format SQL
Paste Your Query
Paste any SELECT, INSERT, UPDATE, DELETE, or DDL statement into the input box.
Click Format
Beautify the query with uppercase keywords, clause breaks, and indentation.
Or Click Minify
Collapse the query to a compact single line with comments removed.
Copy the Result
Copy the formatted or minified SQL for your editor, docs, or config file.
Benefits of a Consistent SQL Style
Faster Reviews
Reviewers spend less time parsing structure and more time checking logic.
Fewer Mistakes
Clear indentation makes missing JOIN conditions or misplaced parentheses easier to spot.
Consistent Style
Uppercase keywords and predictable indentation keep a codebase's SQL consistent.
Private by Default
Formatting happens locally, so production queries and table names never leave your machine.
Works Anywhere
No install or extension required — just a browser tab.
Free Forever
No signup, no query limits, and no watermarks on the output.
SQL Formatting Tips
- •Alias clearly: Use short, descriptive table aliases so formatted JOIN conditions stay readable.
- •One clause per line: Manually formatted or not, keep major clauses like WHERE and GROUP BY on their own line.
- •Comment intent: Add -- or /* */ comments above complex joins; minify mode strips them from compact output.
- •Watch subqueries: This formatter indents by clause, not by parenthesis depth — review nested subqueries manually.
- •Quote literals: Wrap string literals in single quotes so the formatter never mistakes them for identifiers.
- •Test after formatting: Always re-run formatted queries against a test database before shipping to production.
Format Your SQL Now
Whether you're reviewing a teammate's pull request, debugging a slow query, or writing documentation, our free SQL formatter makes queries easier to read in seconds — entirely in your browser.
Paste your query above, format or minify it, and copy the result. No signup, no uploads, and no limits on how many queries you can format.
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Frequently Asked Questions
Is my SQL query uploaded to a server?
No. Formatting and minifying happen entirely in your browser using JavaScript. Your query, table names, and data never leave your device.
Does this tool validate my SQL syntax?
No. This is a text-based formatter, not a SQL parser or validator. It reformats keywords and structure but does not check whether the query is valid for a specific database engine.
Which SQL dialects are supported?
The formatter works with standard ANSI SQL keywords found in MySQL, PostgreSQL, SQLite, and SQL Server. Dialect-specific syntax may not be recognized as a keyword, but the query structure is still preserved.
What does Minify do?
Minify removes line and block comments and collapses all whitespace so the statement becomes a single compact line — useful for pasting into configs, environment variables, or logs.
Will formatting change my query logic?
No. Only whitespace, line breaks, and keyword capitalization are changed. The tool does not reorder clauses, rename identifiers, or alter literal values.
Can I format INSERT, UPDATE, and DELETE statements?
Yes. In addition to SELECT queries, the formatter recognizes INSERT INTO, UPDATE, DELETE FROM, and common DDL statements like CREATE TABLE and ALTER TABLE.
Is this SQL formatter free?
Yes. It's completely free with no signup, no query limits, and no watermark on the output.
What happens to string literals in my query?
Single-quoted string literals are protected before formatting, so their contents are never uppercased or altered — only the surrounding SQL structure is reformatted.