TOML ↔ JSON Converter

Convert between TOML config and JSON in both directions.

About this tool

Paste TOML to get JSON, or JSON to get TOML. Supports tables, arrays of tables, inline tables, dotted keys, strings, numbers, booleans and ISO dates. Useful for migrating Cargo.toml, pyproject.toml or any TOML-based config into a tooling pipeline that expects JSON.

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