Paste a sample JSON response and get the types: interfaces with nested structures, optional fields, and arrays. The root type name is configurable.
Runs in your browser — data is not sent to a serverTypes are inferred from the sample: nested objects become separate interfaces, and fields missing from some array items are marked optional (?). Mixed types in one field produce a union.
Format, minify, and validate JSON with the exact error location.
JSON ↔ CSV ConverterAn array of objects to a CSV table and back, with delimiter options.
JSON ↔ YAML ConverterConfigs from JSON to YAML and back — with syntax validation.
Markdown Table GeneratorTables for README and docs from CSV/TSV — and back again.
We'll collect and tidy up website data: prices, products, contacts, reviews — in the format and at the frequency you need.