Data Format ConvertersFree Tool

TOML ↔ JSON/YAML Converter

Provided byDevBoltdevbolt.dev

Converts between TOML, JSON, and YAML — perfect for Cargo.toml and pyproject.toml.

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About this tool

Converts structured data formats between TOML, JSON, and YAML. Users input a configuration file in one of these three widely used serialization languages and receive an equivalent output formatted correctly for the other two. The tool processes key-value pairs, nested tables, arrays, and various primitive data types, ensuring structural integrity across all conversions. This utility facilitates seamless migration and comparison of settings files without manual reformatting. Developers and system administrators utilize this converter when working with diverse configuration requirements or when integrating different programming ecosystems. It is particularly useful for projects that manage dependencies or build configurations using multiple formats, such as those involving Rust's Cargo or Python's poetry.

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