csv to json

CSV to JSON Converter

Parse CSV headers and rows into structured JSON for APIs, scripts and data workflows.

Runs locally in your browser No uploads Instant results

Instant results

CSV to JSON

Runs in your browserInput type: CSVOutput type: JSON
Examples
Options
Ready to convert

Practical use

When to use CSV to JSON

Use this converter when data needs to move between spreadsheets, APIs, config files or reporting tools without changing the meaning of the original values. CSV to JSON runs locally in the browser, so you can test real input, copy the result or download a file without uploading data to a server.

  • Header mapping
  • Quoted values
  • Pretty JSON

Example

People CSV

The CSV to JSON example shows the input shape this tool expects. Load it with the sample button, change values and immediately see how the output changes.

name,city
Avi,Jerusalem
Maya,Tel Aviv

How to use this converter

How to use this converter

  1. Paste CSV with a header row.
  2. Convert to JSON.
  3. Use the result in APIs or scripts.

FAQ

FAQ

What input does CSV to JSON expect?

CSV to JSON expects CSV input and returns JSON output. Start with the sample if you are unsure about the expected structure.

Why did CSV to JSON show an error?

Errors usually mean the input is empty, incomplete or not valid CSV. Check brackets, quotes, separators and special characters before converting again.

Is my data uploaded to a server?

No. The conversion runs in your browser, so your input does not need to leave your device.

Can I use this converter for free?

Yes. The tools are free to use, with simple advertising that helps keep the site available.

Before converting

How to get a cleaner result

  • For structured data, make sure nested objects, quotes and separators are valid before conversion.
  • Try the built-in sample first to understand the expected input shape.
  • Check that the input is complete before copying or downloading the output.
  • If an error appears, reduce the input to a smaller section and test again.

Common issues

What to check if something fails

  • The first CSV row must contain headers.
  • Unmatched quotes can break CSV parsing.
  • Rows with missing cells get empty values.

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