TOML to JSON Converter
Convert TOML configuration to JSON.
Input
Output
When to use TOML to JSON Converter
Common ways to use TOML to JSON Converter:
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Quick task completion
Complete the main task in seconds with clear output.
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Input validation
Check and correct malformed input before sharing results.
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Workflow debugging
Troubleshoot edge cases during development or operations.
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Result sharing
Copy and reuse clean output in documentation or tickets.
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Mobile usage
Run the same workflow on phone and tablet without installing software.
Frequently asked questions
- What TOML features does this converter support?
- It uses a dependency-free subset parser that handles keys, dotted keys, tables, arrays of tables, strings, integers, floats, booleans, datetimes, and arrays.
- Is my data sent to a server?
- No. Everything runs entirely in your browser, and nothing is uploaded anywhere.
- What happens if my TOML uses a feature that is not supported?
- The parser reports an error or limitation. See the Limitations section in the help panel for details.
- Can I change the JSON indentation?
- Yes. Use the indentation option to choose two spaces, four spaces, a tab, or compact output.
- Can I download the result?
- Yes. Use the download button to save the JSON as a file.
TOML to JSON Converter Help
How to use
- Enter or paste your input.
- Review the output panel.
- Copy the result if needed.
Formatting
- Select your preferred indentation (two spaces, four spaces, tab, or compact).
- Compact removes all whitespace for minimal output.
Limitations
- Only a subset of TOML format is supported. Array tables and complex dates may not parse correctly.
- Conversion runs in the browser. Very large files may be slow.
Keyboard shortcuts
| Ctrl + Enter | Format / run |
| Esc | Close the help panel |