Developer

JSON Lab

A JSON toolkit that runs entirely in your browser: edit, validate, browse the tree, query, convert, infer a schema and diff two documents.

  • JSON (RFC 8259)
  • JSONC
  • JSON5
  • JSON Lines
  • JSONPath RFC 9535
  • JSON Schema 2020-12
Valid
689 B size35 lines28 nodes24 keys5 depthAutosaved on this device

Everything runs in your browser: whatever you paste is never uploaded. Your draft and history live in this device's localStorage.