Data formatters

CSV to JSON Converter

Convert CSV rows into JSON arrays locally, with quoted fields and custom delimiter support.

Runs locally in your browser

Drop a CSV fileLoads .csv or text files locally into the converter.

Choose file

DelimiterCSVJSON

[
  {
    "name": "Lumio",
    "role": "toolbox"
  },
  {
    "name": "Alex",
    "role": "admin"
  }
]

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.