JSON Studio
100% in your browser · data never leaves your device
Format, minify, validate, explore and diff JSON — entirely in your browser. The paid API endpoint for agents is at POST /api/json-studio.
Tree view
Query (JSONPath-lite: $.a.b[0])
Diff vs. second JSON
How to use
- Paste or type JSON into the editor.
- Use <strong>Format</strong>, <strong>Minify</strong>, <strong>Validate</strong> or the tree explorer.
- Run a JSON diff against a second document when comparing payloads.
- Copy the cleaned output or the validation report.
Where it applies
- Formatting an API response for readability.
- Validating a config file before shipping it.
- Comparing two payload versions to spot drift.
- Agents normalising JSON through the paid <code>POST /api/json-studio</code> endpoint.