Tool
JSON to TOML Converter
Convert JSON objects into TOML configuration files for Rust, Python, and DevOps tools.
Developer Tools
What this tool does
Transform JSON into TOML for configs that require .toml format.
How to use
- Paste valid JSON.
- Review the TOML output.
- Copy or download the TOML result.
Examples
Simple config
Input: {"title":"My App","version":"1.0.0"}
Output: title = "My App" version = "1.0.0"
JSON keys become TOML key-value pairs.
Common use cases
- Generate pyproject.toml snippets
- Convert API JSON fixtures to TOML
- Prepare Rust/Cargo config drafts
FAQ
Can I convert TOML back to JSON?
Yes. Use the TOML to JSON converter.
Is my data uploaded?
No. Conversion runs locally in your browser.
Explore related workflows
Data format workflow
- TOML to JSON ConverterConvert TOML configuration files into JSON for APIs and apps.
- JSON to YAML ConverterConvert JSON objects into readable YAML configuration files.
- JSON Formatter and ValidatorValidate, pretty-print, and minify JSON with clear parse error messages.
- JSON to CSV Converter ProConvert JSON or NDJSON arrays into CSV with file drop, column reorder, flatten, and Excel BOM.
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Last reviewed: 2026-05-23