JSON Validator
A React-based JSON workspace for validation, formatting, compression, and structure inspection.
Validator
Check and Format JSON
Helpful for APIs, config files, payload testing, and quick cleanup.
Ready
Use Format JSON for readable indentation or Compress JSON to minify the payload into a single line.
Views
JSON Structure Views
Switch between tree view, flow chart, or a split view with both.
Tree
Expandable JSON View
Inspect nested objects and arrays with expand/collapse.
Validate JSON to see the expandable tree view.
Flow
JSON Structure Flow
Understand the overall JSON shape through a visual parent-child flow.
Validate JSON to see the structure flow.
Enter JSON and click validate.