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Parse and convert JSON to TOML.
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JSON to TOML: Paste your JSON in the Your JSON panel. The TOML output appears instantly.
TOML to JSON: Paste your TOML in the Your TOML panel. The JSON output appears instantly.
Copy TOML or JSON to clipboard with one click.
Streamlit secrets: Convert JSON secrets to TOML format.
pyproject.toml: Convert JSON config to TOML for Python projects.
Cargo.toml: Switch between JSON and TOML for Rust configs.
JSON and TOML are both data formats. JSON is used in APIs and web apps; TOML (Tom's Obvious, Minimal Language) is popular for config files like pyproject.toml and Cargo.toml. This converter transforms between them instantly. Streamlit secrets often require JSON to TOML conversion.
TOML uses [section] tables and key = value pairs. JSON uses braces and brackets. This tool handles nested objects and arrays correctly.
Use this free JSON to TOML converter online as a json to toml cli alternative. Paste JSON and get TOML instantly—no installation. For CLI: use json2toml (npm) or toml (Python). This tool works for quick conversions without setting up tools.
Convert JSON to TOML for Python projects. pyproject.toml uses TOML. Paste JSON config in the Your JSON panel—the JSON to TOML python workflow is covered. Use for Python toml configs, tool settings, or migrating from JSON to TOML.
This TOML converter supports both JSON to TOML and TOML to JSON. Paste TOML in the Your TOML panel to get JSON. Use for parsing TOML configs, converting Cargo.toml or pyproject.toml to JSON, or integrating with JSON-based tools.
For YAML to TOML, use our YAML to TOML converter. This tool focuses on JSON to TOML and TOML to JSON. JSON, YAML, and TOML are all config formats—choose the right converter for your format. All free and client-side.
Parse and convert JSON to TOML.