How to use the TOML to TOON
- Paste your TOML into the input box, or open a file.
- The output updates automatically as you type.
- Copy the TOON or download it as a file.
About TOML
TOML is a minimal configuration format with clear key = value pairs and [sections]. It powers Cargo.toml, pyproject.toml, Hugo and many other tool configs.
About TOON
TOON (Token-Oriented Object Notation) is a compact encoding of JSON designed for LLM prompts. It uses YAML-style nesting and CSV-style rows for uniform arrays, typically cutting token counts substantially compared with JSON.
Private by design
Developer data is often sensitive: API responses, tokens, customer records, internal configs. This TOML to TOON processes everything locally in your browser tab. There is no server round-trip, no logging and no storage of your input.
Frequently asked questions
Is this TOML to TOON free?
Yes. This TOML to TOON is completely free to use with no sign-up, no limits and no ads inside the tool.
Is my data uploaded to a server?
No. The TOML to TOON runs entirely in your browser using JavaScript. Nothing you paste is sent to DevT Pro or any other server.
Does the TOML to TOON conversion lose data?
The structure and values of your TOML are preserved. Formatting details such as comments are not carried over.
Can I use the TOML to TOON offline?
Yes. TOML to TOON is also built into DevT Pro, a native app for Mac, Windows, iPad and Linux with 120+ developer tools that work fully offline. It is a $5.99 one-time purchase with no subscription.
