Parse, format, validate and convert JSON — the lingua franca of APIs.
Pretty-print, validate and minify JSON with syntax highlighting.
Validate JSON against RFC 8259 with precise error locations.
Strip whitespace for the smallest possible JSON payload.
Convert arrays of objects into clean, downloadable CSV.
Parse CSV into structured JSON arrays instantly.
Convert JSON objects to well-formed XML.
Bidirectional JSON ↔ YAML conversion.
Convert YAML configuration files to JSON.
Generate TypeScript interfaces from any JSON sample.
Generate Zod validation schemas from any JSON sample.
Generate Pydantic v2 models from any JSON sample.
Generate idiomatic Go structs with JSON tags from any sample.
Generate a JSON Schema from any JSON sample.
Compare two JSON documents and highlight differences.
Fix broken, malformed or LLM-generated JSON automatically.
Run JSONPath queries against any JSON document.
Run jq queries in the browser — no install needed.
Browse large JSON files as a collapsible tree.
Convert JSON configuration to TOML format.
Escape or unescape special characters in JSON strings.
Alphabetise all object keys recursively.
Flatten nested JSON to dot-notation key-value pairs.
Render a JSON array as a sortable HTML table.
Quick answers to the questions developers ask most.
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