{ } Developer Data Tools
JSON Formatter & Validator
Format, beautify, minify, and validate JSON payloads with instant error detection.
✅ Valid JSON Structure
Size: 0 bytes
JSON Data Interchange Standard (RFC 8259)
JSON (JavaScript Object Notation) is the universal text format for data serialization across REST APIs, microservices, and NoSQL databases. It is human-readable, lightweight, and language-independent.
Valid JSON Data Types
- String: Wrapped in double quotes (e.g.
"name": "The Tool Nest"). - Number: Integers or floating-point (e.g.
"port": 8080). - Boolean:
trueorfalse. - Array: Ordered list of values (e.g.
[1, 2, 3]). - Object: Key-value collection (e.g.
{"id": 1}). - Null: Empty value (
null).