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JSON & SQL Formatter
Format JSON or SQL text locally with visible parsing errors.
Private by design: files and input stay in this browser. No account or upload.
Formats JSON or standard SQL locally. JSON must be valid; numeric text and duplicate keys are preserved. SQL formatting is not database validation. Nothing is executed.
Getting started
Paste source text, choose the language and format or download.
Before you use the result
Formatting does not validate database behavior or make untrusted SQL safe.
Frequently asked questions
Format JSON or SQL text locally with visible parsing errors.
How do I use JSON & SQL Formatter?
Paste source text, choose the language and format or download.
Does this tool upload my data?
Inputs and files are processed in your browser. Page-view analytics do not contain your tool input.
What should I check before using the result?
Formatting does not validate database behavior or make untrusted SQL safe.