JSON Tools, Privately.
Massive payloads? Sensitive data? Everything stays in your browser.
JSON Editor
Professional JSON editor with tree view, format, diff, and bidirectional transforms.
JSON Validator
Validate JSON instantly. All processing happens in your browser.
JSON → Code
Generate TypeScript interfaces, Zod schemas, Go structs, or Rust structs from any JSON.
JSON → Data
Export JSON to SQL (with optional INSERT statements), CSV, or Excel spreadsheets.
JSON → Specs
Generate JSON Schema (draft 2020-12) or OpenAPI 3.0 YAML specification from a JSON sample.