Client-side JSON Utility
JSON Formatter Pro

Format, validate, inspect.

Paste raw JSON, clean it up instantly, run jq queries, validate schemas, generate TypeScript types, and diff two payloads. Everything runs locally in your browser — your data never leaves the page.

Ready. Paste JSON to begin.

Input

0 chars

Output

No parsed data
Formatted output will appear here.

jq Query

Query result will appear here.
Examples:  people[*].name  |   people[?age > `30`]  |   {names: people[*].name, count: length(people)}

Schema Validator

Validation result will appear here.

TypeScript Interface Generator

Generated interface will appear here.

JSON Diff

Diff result will appear here. Added keys are green, removed are red, changed are yellow.