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📄 TOML <-> JSON Converter

Convert TOML to JSON or JSON to TOML in your browser with a fast, lightweight parser for common config files.

TOML <-> JSON Converter

Convert TOML to JSON or JSON to TOML with a lightweight, browser-only parser. Designed for everyday config files and quick validation.

TOML or JSON Input

Indent

Result

How to use this tool

Paste TOML or JSON into the input panel.
Choose a conversion direction or format the TOML output.
Copy or download the converted result.

Common uses

Convert configuration files for tooling that expects JSON.
Review TOML settings in a structured JSON view.
Normalize TOML before sharing it with your team.

Parser scope

Supports common TOML primitives like strings, numbers, booleans, and arrays.
Nested tables are supported via [section] headers.
Advanced TOML features (dates, multiline strings) may require manual edits.

FAQ

Is the conversion fully compliant with TOML 1.0?: This lightweight parser targets common cases. Complex TOML features may not be supported yet.
Does the tool send data to a server?: No. Everything runs locally in your browser.

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