JSON ↔ TOML Converter

Runs locally on your browser
lines chars
lines  ·  chars converted
How it works
1

Choose Direction

JSON → TOML for config files (Cargo.toml, pyproject.toml). TOML → JSON for programmatic use

2

Paste or Upload

Paste your JSON object or TOML content. Powered by smol-toml with full TOML 1.1 support

3

Convert & Export

Copy or download the result. Use ⇄ to swap directions with the current output