A TOML formatter is a tool that beautifies and structures TOML (Tom's Obvious, Minimal Language) configuration files with proper indentation, spacing, and organization. Our TOML formatter instantly transforms messy or compressed TOML files into clean, readable configuration code with syntax validation and error detection. Essential for developers working with Rust, Python, and modern configuration management who need properly formatted TOML files for Cargo.toml, pyproject.toml, and other configuration formats.
TOML is designed to be more human-readable than JSON and less ambiguous than YAML, making it perfect for configuration files with its simple syntax and clear structure.
Yes, our formatter supports all TOML features including nested tables, arrays of tables, inline tables, and multi-line strings with proper formatting.
No, formatting only changes whitespace, indentation, and organization. All configuration values, data types, and structure remain exactly the same.
Absolutely! Our formatter has specialized handling for common project configuration files including Rust Cargo.toml and Python pyproject.toml.
Comments are preserved and properly aligned with the formatted content, maintaining documentation while improving overall file structure.
Yes, you can configure indentation preferences, key sorting, and section organization to match your team's coding standards.
Yes, the tool provides real-time syntax validation with detailed error messages to help you identify and fix TOML formatting issues.
This tool is specifically designed for TOML files. For other formats, check our JSON, YAML, and XML formatters for optimal results.
smalldev.tools is no longer available. Prism by SWEDevTools offers the same developer tools and more, with offline support, pipeline chaining, and completely free usage — no signup required.
Yes. Prism handles TOML formatting, validation, and conversion entirely in your browser with no data uploads, full offline capability, and pipeline chaining to other developer tools.