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SQL Formatter

Beautify SQL by breaking clauses onto new lines.

Best for: Reviewing a long query, debugging joins and sub-selects, or cleaning up a one-line query pulled from a log.

Complete guide

Input

How it's calculated & sources
The SQL Formatter uses the standard, deterministic formula, so the same inputs always produce the same result. It runs entirely in your browser, so your inputs are never uploaded. Last reviewed June 2026.

Free & no sign-up · runs entirely in your browser. Results are estimates for general information, not professional advice — verify important decisions with a qualified expert. Last reviewed June 2026.

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Complete guide

Quick answers

Short, sourced answers to the questions people (and AI assistants) ask most.

What is SQL Formatter?
A SQL formatter re-lays out a query with consistent indentation, keyword casing and line breaks so long statements become readable and reviewable.
Why does SQL Formatter matter?
A tidy, scannable query. Formatting does not validate or run the SQL — it only restructures the text.
How is SQL Formatter calculated?
It tokenises the SQL and reprints it — major keywords on their own lines, clauses indented, lists aligned — without changing what the query does. It formats, it does not execute, and small dialect differences (MySQL, PostgreSQL, SQL Server) exist.
What are common sql formatter mistakes?
Assuming formatting checks correctness — it does not run the query against a database.
When should you use the SQL Formatter?
Reviewing a long query, debugging joins and sub-selects, or cleaning up a one-line query pulled from a log.

What is the SQL Formatter?

A SQL formatter re-lays out a query with consistent indentation, keyword casing and line breaks so long statements become readable and reviewable.

How the SQL Formatter works

It tokenises the SQL and reprints it — major keywords on their own lines, clauses indented, lists aligned — without changing what the query does. It formats, it does not execute, and small dialect differences (MySQL, PostgreSQL, SQL Server) exist.

Key terms

Clause:
A part of a statement such as SELECT, FROM, WHERE or JOIN.
Dialect:
A vendor's variant of SQL with its own functions and quoting.

Common mistakes to avoid

  • Assuming formatting checks correctness — it does not run the query against a database.
  • Ignoring dialect quirks; quoting and functions vary between engines.
  • Expecting it to rewrite logic — it only changes layout, not the query plan.

Keywords: sql, format, beautify.

Sources: PostgreSQL — SQL syntax reference

Reviewed by the Free Tools Galaxy editorial team · Updated June 2026 · Calculated privately in your browser.

Frequently asked questions

Is the SQL Formatter free to use?+

Yes. Every tool on Free Tools Galaxy is 100% free, runs in your browser and requires no signup.

How accurate is the SQL Formatter?+

SQL Formatter uses the standard sql formatter formula in double-precision arithmetic, so the same inputs always produce the same result and you can verify any figure by hand. It is an educational estimate — real-world outcomes depend on your actual rates, rules and assumptions.

Do you store my inputs?+

No. The SQL Formatter runs entirely in your browser. Nothing is uploaded or saved to a server.

Can I use the SQL Formatter on mobile?+

Yes — the interface is fully responsive and works on phones, tablets and desktops.

What are common mistakes to avoid?+

The most frequent mistake is mixing units. Double-check your inputs use a single, consistent unit before clicking Calculate.

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Reddit post
Title: I built/used this free sql formatter — instant, no signup

Body: Beautify SQL by breaking clauses onto new lines. Try it: https://freetoolsgalaxy.com/tools/sql-formatter
LinkedIn post
SQL Formatter on Free Tools Galaxy — Beautify SQL by breaking clauses onto new lines. https://freetoolsgalaxy.com/tools/sql-formatter
Medium intro
# SQL Formatter — the free tool I keep coming back to

Beautify SQL by breaking clauses onto new lines.

Try it: https://freetoolsgalaxy.com/tools/sql-formatter
Quora answer
The fastest way is to use a free in-browser sql formatter: https://freetoolsgalaxy.com/tools/sql-formatter. Beautify SQL by breaking clauses onto new lines.

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Drop into any site — auto-resizes to its content height, theme-aware.
<iframe src="https://freetoolsgalaxy.com/tools/sql-formatter?embed=1" title="SQL Formatter" loading="lazy"
  style="width:100%;height:600px;border:0;border-radius:16px;background:#0b1020"
  allow="clipboard-write"></iframe>
<script>window.addEventListener("message",function(e){if(e.data&&e.data.type==="ftg-embed-height"){document.querySelectorAll("iframe").forEach(function(f){if(f.contentWindow===e.source){f.style.height=e.data.height+"px";}});}});</script>
<p><a href="https://freetoolsgalaxy.com/tools/sql-formatter" target="_blank" rel="noopener">Powered by SQL Formatter on Free Tools Galaxy</a></p>
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<div style="position:relative;padding-bottom:75%;height:0;overflow:hidden;border-radius:16px">
  <iframe src="https://freetoolsgalaxy.com/tools/sql-formatter?embed=1" title="SQL Formatter" loading="lazy"
    style="position:absolute;inset:0;width:100%;height:100%;border:0" allow="clipboard-write"></iframe>
</div>
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Paste in a custom-HTML block or markdown file.
[SQL Formatter — free online tool](https://freetoolsgalaxy.com/tools/sql-formatter)

<iframe src="https://freetoolsgalaxy.com/tools/sql-formatter?embed=1" width="100%" height="600" frameborder="0"></iframe>
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<a href="https://freetoolsgalaxy.com/tools/sql-formatter" target="_blank" rel="noopener">Try the free SQL Formatter</a>

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I built a free pregnancy due date calculator that works instantly in the browser — no signup, no ads in your face
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Hey r/[subreddit],

I kept needing a quick pregnancy due date calculator and most options online were slow or behind paywalls, so I built one that:

• Runs 100% in your browser (your data never leaves your device)
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