SQL Formatter | How to use and interpret results
Uppercase recognized SQL keywords and insert breaks around clauses and commas. This rule-based readability aid does not fully parse a database dialect or its string literals.
- Runs in your browser
- Nothing is uploaded
- No signup; device limits apply
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How to use this tool
Paste a query and compare keywords and literal values in the output. A quoted select or comma may be affected by replacement rules, so verify semantic equivalence.
Results and examples
select a,b from t exposes SELECT and FROM and splits the selected columns across lines. Readability changes do not imply better performance or repaired syntax.
Worked example
select a,b from t exposes SELECT and FROM and splits the selected columns across lines. Readability changes do not imply better performance or repaired syntax.
Limitations
- Case or whitespace inside string literals can change.
- SQL execution, security analysis and dialect validation are not performed.
Fields
| Field | Guidance and constraints |
|---|---|
| SQL | Check the unit and format displayed beside this field. |
| Result | Check the unit and format displayed beside this field. |
Data handling
Processing stays in the current browser tab; the site does not upload tool input for the calculation itself.
Sources
Frequently asked questions
Why are keywords uppercased?
select a,b from t exposes SELECT and FROM and splits the selected columns across lines. Readability changes do not imply better performance or repaired syntax.
Is output meaning guaranteed to remain identical?
Case or whitespace inside string literals can change. SQL execution, security analysis and dialect validation are not performed.
