Private by design
Parsing, diffing, and conversion use the browser's native engine. Nothing is transmitted.
Grow a tree from your JSON.
Format, validate, explore, query, diff, and convert JSON — every byte stays in your browser. No upload. No signup. No server ever sees your data.
BeautifyMinifyValidateTree viewerJSONPathJSON ↔ CSVDiffSort keys
100% client-side · no upload · MIT-licensed
Waiting for input
Format, minify, sort
Paste or drop JSON to begin.
Everything runs in your tab
Fast first paint
Static HTML + tiny React island. Heavy bits (JSONPath) load only when you use them.
Deep tree view
Organic branch connectors, collapse-all, and a per-node expand for large payloads.
Optional AI
Explain a structure, infer a schema, or generate sample JSON. Falls back gracefully.