Converters
Convert between data formats and generate code from JSON. All converters run locally in your browser — no data is sent to any server.
Convert JSON to YAML format online.
Convert JSON to XML with a custom root tag.
Parse CSV files into JSON arrays.
Export JSON arrays to CSV spreadsheet format.
Generate TypeScript interfaces from JSON.
Generate Go struct definitions from JSON.
Generate Python dataclass or dict from JSON.
Generate Java POJO or Record from JSON.
Generate Kotlin data class from JSON.
Generate Rust struct with serde from JSON.
Convert YAML to formatted JSON.
Convert TOML configuration files to JSON.
Convert XML documents to JSON objects.
Generate PHP class from JSON for PHP 7.4–8.1.
Generate Swift Codable struct from JSON.
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About SyntaxMaster Converters
Every converter runs entirely in your browser. JSON to TypeScript generates typed interfaces. JSON to Go, Java, Kotlin, Rust, PHP, and Swift generate idiomatic code for each language. CSV and XML converters handle all standard formats.