SQL Formatter Developer
Break a long SQL statement onto readable lines with consistent keywords.
SQL Formatter is a free online tool that break a long SQL statement onto readable lines with consistent keywords. It runs entirely in your web browser using plain JavaScript, so files are processed on your own device and never uploaded to a server. There is no sign-up, no file size limit imposed by the site, no watermark and no paid tier.
- Price
- Free — no account, no quota, no watermark
- Category
- Developer
- Where it runs
- In your browser, on your device
- Files uploaded
- None
- Technology
- plain JavaScript
- Settings
- 1
- Works offline
- Yes, after the first visit
About SQL Formatter
Keywords are capitalized and clauses are placed on their own lines with consistent indentation — the standard readable layout for a query. This is formatting only: the SQL is not parsed against any dialect's grammar and not validated, so a query with a syntax error formats happily. It handles the common dialects' keyword sets, including window functions and CTEs.
How to use it
- Paste the text you want to run through sql formatter.
- Set uppercase keywords.
The one setting
| Setting | What it does | Default |
|---|---|---|
| Uppercase keywords | On or off. On by default. | On |
Under the hood
| Runs on | plain JavaScript — runs the whole thing |
| Controls | Uppercase keywords |
Questions
Which SQL dialect does it assume?
None specifically. The keyword list covers standard SQL plus common PostgreSQL, MySQL and SQL Server extensions, which is enough to format almost any query correctly.
Will it validate my query?
No. Formatting and validation are different jobs, and validation requires knowing the dialect and often the schema. A malformed query will be laid out neatly and still not run.