TOML to JSON Converter
Convert between TOML and JSON formats. Parse TOML sections, key-value pairs, arrays, and nested tables.
TOMLJSON
How to Use TOML to JSON Converter
- 1Paste TOML content to convert to JSON, or paste JSON to convert to TOML.
- 2Select the conversion direction: TOML to JSON or JSON to TOML.
- 3Click "Convert" to parse and transform the data.
- 4Copy the converted output or download it as a file.
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Frequently Asked Questions
What is TOML?▾
TOML (Tom's Obvious Minimal Language) is a configuration file format designed to be easy to read. It's used by Cargo (Rust), pyproject.toml (Python), and many other tools.
Can I convert JSON to TOML?▾
Yes. Click the direction toggle to switch between TOML-to-JSON and JSON-to-TOML conversion modes.
Does it support all TOML features?▾
This tool supports most TOML features including sections, nested tables, arrays, inline tables, strings, numbers, booleans, and dates. Some edge cases like multi-line strings may have limited support.
Is my data sent to a server?▾
No. All parsing and conversion happens in your browser using JavaScript. Nothing is uploaded.
When should I use this TOML converter?▾
Use it when migrating configuration between formats, debugging Cargo.toml files for Rust projects, converting pyproject.toml settings, or when you need to process TOML data in a system that expects JSON.
Can I use this tool on my phone?▾
Yes, the TOML/JSON converter works in any modern mobile browser. You can paste content, convert, and copy the result on any device.
Can I copy the converted output?▾
Yes. The output panel includes a copy button that copies the converted JSON or TOML to your clipboard with one click.