Data formatters

YAML to JSON Converter

Convert YAML documents to formatted JSON locally in the browser.

Runs locally in your browser

Drop a YAML fileLoads .yaml, .yml, or text files locally into the converter.

Choose file

YAMLJSON

{
  "name": "Lumio",
  "private": true,
  "tools": [
    "YAML",
    "JSON"
  ]
}

How to use this tool

Paste or type your input into the tool panel. Results update immediately where possible. For privacy-first tools, your input is processed locally in the browser and is not stored for analytics.

FAQ

Is this tool free?

Yes. Lumio Utils starts with free browser-based tools and does not require registration.

Do you store my input?

No tool inputs, file contents, passwords, or private generated outputs are stored for analytics.