TOML to JSON Converter
Convert TOML configuration files to JSON instantly. Supports tables, nested tables, arrays, inline tables, arrays of tables, strings, numbers, booleans, and ISO datetimes. 100% browser-based.
About the TOML to JSON Converter
Convert TOML configuration files to JSON instantly. Supports tables, nested tables, arrays, inline tables, arrays of tables, strings, numbers, booleans, and ISO datetimes. 100% browser-based.
TOML to JSON Converter is a free browser-based tool on QuickFnd. Convert TOML configuration files to JSON instantly. Supports tables, nested tables, arrays, inline tables, arrays of tables, strings, numbers, booleans, and ISO datetimes. 100% browser-based. No installation or account required — runs entirely in your browser on desktop and mobile.
- Type
- Tool
- Method
- strict JSON parsing with line-level error reporting
- Runs in
- Your browser — no account, no install
- Price
- Free
- Privacy
- Inputs stay on your device unless the tool says otherwise
Frequently asked questions
Tables, nested tables, inline tables, arrays of tables, strings (single and double quoted with escape sequences), integers with underscore separators, floats, booleans, ISO datetime strings, and arrays of mixed types. Comments starting with # are stripped.
No. The entire parser runs in your browser as JavaScript. Your config data never leaves your device.
Yes. Both file formats are valid TOML 1.0 and convert cleanly. Paste the entire file and you will get clean JSON out.
The parser gives you a line-level error message with the exact character or construct that failed. Until the error is fixed, the JSON output shows whatever parsed successfully up to that point.
TOML datetime values are preserved as ISO-8601 strings in the JSON output. JSON has no native datetime type, so the ISO string is the standard convention.
Yes — toggle between 2-space, 4-space, and minified. Use minified for API bodies or JSON fields that strip whitespace.
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