What is TOML used for?

TOML (Tom's Obvious Minimal Language) is commonly used for configuration files, especially in Rust (Cargo.toml) and Python (pyproject.toml).

How are nested objects represented in TOML?

Nested objects become TOML sections with dot-notation headers (e.g., [database.host]).

JSON to TOML - Online Format Conversion

How to Use

Paste or type JSON data into the left input box.
Click the "Convert" button. The converted TOML will appear on the right.
Click "Copy Result" to quickly copy the converted TOML.
Click "Example" to load sample JSON data.

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About JSON to TOML

JSON to TOML is a free online format conversion tool. It helps developers quickly convert JSON data to TOML format, generating clean and readable TOML output. TOML (Tom's Obvious, Minimal Language) is a configuration file format designed to be easy to read, widely used in Rust Cargo, Python project configuration, and other scenarios.

TOML represents data using key-value pairs and supports strings, integers, floats, booleans, datetime, arrays, and tables (sections). Compared to JSON, TOML emphasizes readability and conciseness, making it especially suitable as a configuration file format. This tool makes JSON to TOML conversion effortless.