Data
JSON Toolkit
Validate, format and minify JSON, explore it as a tree and check it against a JSON Schema.
JSON
Paste JSON — validation runs automatically.
Tree
Paste JSON on the left to see the tree here.
Supports draft-07, 2019-09 and 2020-12 (from the $schema field; draft-07 without it). External $ref links are never fetched.
Paste a schema — the JSON is checked automatically.