CSV to JSON Converter
Convert CSV data to JSON format. Uses the first row as headers and produces an array of objects.
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How to Use This Tool
Paste your CSV data into the input field and click Convert. The first row must be the header row — it becomes the JSON object keys. Quoted fields containing commas or newlines are handled correctly.
Common Use Cases
- Convert spreadsheet exports to JSON for API consumption
- Transform database CSV dumps to JSON for frontend apps
- Migrate data between CSV-based and JSON-based systems
Frequently Asked Questions
How does CSV to JSON conversion work?
The first row of the CSV is treated as the header row. Each subsequent row becomes a JSON object with the header values as keys.
Are quoted fields supported?
Yes. Fields wrapped in double quotes are handled correctly, including fields that contain commas or newlines inside the quotes.
Is my data sent to a server?
No. All conversion happens in your browser. Your data never leaves your machine.