TOML Parser - Online TOML Format Parsing and Conversion Tool

When to use

Developers and config editors need a quick, browser-based way to validate TOML syntax and inspect its structure without installing software.

How to use

1. 1Enter or paste TOML text into the left textarea, or click 'Example 1' or 'Example 2' to load sample data.
2. 2Choose the output view: 'JSON' for formatted JSON or 'Tree' for a collapsible tree structure.
3. 3Select the indentation level (2 or 4 spaces) for JSON output.
4. 4The tool parses automatically; check the status bar for success or error messages with line numbers.
5. 5Use 'Copy' to copy the output to the clipboard or 'Download' to save it as a file.
6. 6Click 'Clear' to reset the input and output areas.

Input & output

Input: TOML text (including tables, arrays, inline tables, strings, numbers, booleans, dates). Output: JSON representation or a tree view of the parsed data, with syntax validation status.

Who it's for

Developers, DevOps engineers, and technical writers who work with TOML configuration files and need a fast, reliable parsing and conversion tool.

FAQ

Does the tool support all TOML features?

It supports common TOML syntax including tables, arrays, inline tables, basic and literal strings, multiline strings, integers, floats, booleans, and dates. Some edge cases may not be fully covered.

Can I switch between JSON and tree view?

Yes, use the segmented control labeled 'JSON' and 'Tree' to toggle between the two output formats.

How do I know if my TOML is valid?

The status bar shows 'Parse successful' or an error message with the line number where the problem occurred.

Is there a way to download the parsed output?

Yes, click the 'Download' button to save the output as a file.