Code & Data · Local-first

TOML ↔ JSON Online

Convert common TOML documents to JSON or JSON to TOML.

Free · No sign-up · Browser-based processing

What TOML ↔ JSON does

Convert common TOML documents to JSON or JSON to TOML. The utility is designed for quick, focused work without requiring an account or installing another application.

Common uses

Debug API payloads and configuration files
Prepare data for reviews, tests and migrations
Convert between common development formats

How to use TOML ↔ JSON

Enter or paste the value you want to process in TOML ↔ JSON.
Run the tool and review the generated result for the expected format.
Copy or download the result and verify it in the system where it will be used.

Privacy: Runs locally in your browser. Input is not uploaded to the DevNet Kit server.

TOML ↔ JSON example

Try the tool with this representative input:

[server]
host = "localhost"
port = 8080
enabled = true

TOML ↔ JSON FAQ

Does TOML ↔ JSON require an account?

No. The tool is available without registration.

Is TOML ↔ JSON local or remote?

Processing runs in your browser and the input is not uploaded to the DevNet Kit server.

Can I use it on mobile?

Yes. The interface is responsive, although large inputs are usually easier to inspect on a desktop screen.