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SQL Formatter & Beautifier

Format and beautify messy SQL queries, or minify them to one line — choose indent and keyword casing, then copy clean SQL. Runs in your browser, free.

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💡 About this tool

  • Format puts each major clause on its own line and indents lists for readability.
  • Minify collapses a query into a single line.
  • Runs entirely in your browser — your queries are never uploaded.

Free SQL Formatter & Beautifier

Format and beautify messy SQL queries instantly, or minify them to a single line. Paste your SQL, choose your indent and keyword casing, and copy clean, readable code — all in your browser, so your queries are never uploaded. Free, no sign-up.

What does an SQL formatter do?

An SQL formatter takes a cramped, one-line, or inconsistently written query and reformats it into clean, readable code. It puts major clauses like SELECT, FROM, WHERE, and JOIN on their own lines, indents column lists and conditions, and standardises keyword casing. The logic of the query is unchanged — only the layout improves, which makes complex SQL far easier to read, review, and debug.

How to use the SQL formatter

It takes one click:

  • Paste your SQL query into the input box.
  • Pick your indent size and whether keywords should be uppercase, lowercase, or left as-is.
  • Click Format to beautify, or Minify to collapse it to one line.
  • Copy the result into your editor, migration, or documentation.

Why formatting SQL matters

Well-formatted SQL is easier to maintain and less error-prone. When each clause sits on its own line, you can spot a missing JOIN condition, a misplaced WHERE, or an accidental cartesian product at a glance. Consistent formatting also makes code review faster and produces cleaner diffs in version control, since a small change touches only the relevant lines instead of reshuffling a giant single-line query.

Uppercase or lowercase keywords?

Both are valid — it is a team style choice. Uppercase keywords (SELECT, FROM, WHERE) are a long-standing convention that makes the query's structure stand out from table and column names. Some modern teams prefer lowercase for a calmer look. This tool lets you pick either, so you can match your project's style guide and keep every query consistent.

Is my SQL private?

Yes. This formatter runs entirely in your browser using JavaScript — your query is never sent to a server or logged anywhere. That makes it safe to format queries that reference sensitive table names, schemas, or business logic. It also handles quoted strings carefully so text inside them is not altered by the keyword casing.

Pro tip

Keep a formatted version of complex queries in your codebase and documentation so teammates can follow the logic, and use the minify option when you need to embed a query in a single string or config value. For other formats, try our JSON Formatter and HTML Minifier & Beautifier.

FAQ

Is this SQL Formatter free and private?
Yes. It is completely free and runs entirely in your browser, so your SQL queries are never uploaded or stored anywhere.
Does formatting change what my query does?
No. Formatting only changes whitespace, line breaks, and keyword casing. The query's logic and results are exactly the same.
Which SQL dialects does it support?
It works with standard SQL keywords common to MySQL, PostgreSQL, SQL Server, SQLite, and others. Because it formats generic SQL syntax, it handles most queries across dialects.
Can I minify SQL as well as beautify it?
Yes. Use the Minify button to collapse a query onto a single line, which is handy for embedding SQL in a string or configuration value.
Should SQL keywords be uppercase or lowercase?
Either is fine — it is a style preference. Uppercase is a common convention that makes keywords stand out, while some teams prefer lowercase. This tool lets you choose.
Will it break strings that contain keywords?
No. The formatter protects quoted string literals, so words inside quotes are not re-cased or reformatted.
Can I use this for large or complex queries?
Yes. It is especially useful for long queries with multiple joins and conditions, where clear formatting makes the structure much easier to follow.

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Pro tip: pair this tool with Upside Down Text Generator and Text Similarity Checker for a faster SEO workflow.