OpenAPI Validator
Validate an OpenAPI document against the specification's schema and list what is missing or wrong.
- 100% Free
- No account required
- Runs in your browser
- No data is uploaded
Not saved automatically
Private to this browser, not a cloud backup. Saves expire 7 days after the last save. Avoid saving sensitive data on shared devices.
Input
Paste or edit your OpenAPI JSON, then click “Run tool”.
Type, paste or drop a file
JSON / YAMLLn 1, Col 1Spaces: 2UTF-876 bytes
Output
Validation result (read-only).
Read-only
TextLn 1, Col 1Spaces: 2UTF-80 bytes