CSV to JSON Converter

CSV data (first row = headers)

JSON output

Developer Tools 40.1K uses

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How to use the CSV to JSON Converter tool

Using our CSV to JSON Converter is incredibly easy and entirely free. We designed our Developer Tools specifically for everyday users who need to get things done quickly without downloading complicated software or registering for an account.

Paste your CSV: Add CSV data where the first row contains the column headers.
Convert to JSON: Each row becomes an object keyed by the headers.
Copy or download: Copy the JSON or download it as a .json file.

100% Secure

Your files are encrypted and automatically deleted from our servers after 1 hour. Your privacy is guaranteed.

Lightning Fast

We use high-performance cloud processing to ensure your files are ready in seconds, not minutes.

Works on Mobile

No app installation needed. Use our tools seamlessly on iOS, Android, Mac, or Windows.

Frequently Asked Questions

Does it use the first row as keys?

Yes. The first row is treated as the column headers and becomes the object keys.

Does it handle quoted values?

Yes, it correctly parses quoted fields that contain commas or line breaks.

Does it convert numbers?

Yes, numeric values are converted to numbers automatically.

Is it free?

Yes, completely free with no sign-up.