TOML to JSON Converter

About TOML to JSON Converter

Convert between TOML (Tom's Obvious, Minimal Language) and JSON formats. TOML is widely used for configuration files in Rust (Cargo.toml), Python (pyproject.toml), Go, and many other ecosystems.

TOML Features Supported

• Tables: [section] and [section.subsection]
• Inline tables: { key = "value", num = 42 }
• Arrays: [1, 2, 3] and array of tables [[items]]
• Strings: Basic "..." and literal '...'
• Numbers: Integers, floats, hex, octal, binary
• Booleans: true / false
• Dates: 2026-06-11T10:30:00Z
• Comments: # comment

FAQ

Where is TOML used?

TOML is the standard config format for Rust (Cargo.toml), Python packaging (pyproject.toml), Hugo, Netlify, and many other tools. It's designed to be more readable than JSON and less ambiguous than YAML.

TOML vs YAML vs JSON?

TOML is simpler than YAML (no indentation sensitivity, fewer gotchas) and more readable than JSON (supports comments, no quotes on keys). Use TOML when you need a human-editable config format.

Can TOML represent everything JSON can?

Nearly. TOML has a stricter type system (integers vs. floats are distinct) and natively supports dates. The main limitation is that TOML can't represent null values — use empty strings or omit the key instead.