Validate, format and minify JSON locally.
| Item | Formula | Source / Standard |
|---|---|---|
| JSON syntax | { } [ ] string/number/bool/null | ECMA-404 / RFC 8259 |
| Indentation | 2 spaces / 4 spaces / tab | JSON.stringify(.,null,n) |
| Validation | Parse failure returns error position | RFC 8259 §8 |