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InstantTools
Utilities · 100% browser-side

SQL Formatter

Turn a one-line query monster into readable, reviewable SQL.

Free foreverNo uploadsNo account
Dialect
Indent
Keywords
SQL input
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Your privacy matters

All files are processed locally in your browser. Nothing is uploaded to our servers, so your documents remain private and secure.

01 · Real-world fits

Common use cases

  • Cleaning up a long query copied from logs or an ORM before debugging
  • Standardizing keyword casing across a team's migration files
  • Making generated SQL readable for code review
  • Reformatting legacy queries while porting between dialects
  • Teaching: showing students well-indented versions of compact queries
02 · The honest pitch

Why SQL Formatter?

Queries often contain table names, customer identifiers, and business logic you should not paste into a random website. This formatter runs entirely in your browser using the open-source sql-formatter engine, with real dialect grammars rather than naive keyword matching.

SQL Formatter keeps the job narrow: turn a one-line query monster into readable, reviewable sql. It is built for the small but frequent moments when opening a heavyweight editor, installing a package, or uploading sensitive work to a random service is more friction than the task deserves.

03 · Edge cases

Frequently asked questions

No. Formatting happens locally in your browser — safe for queries containing production schema or data values.