CSV to JSON Converter
Convert CSV to JSON online in seconds. Runs entirely in your browser.
Output format
Headers
First row used as keys
Type inference
Numbers, booleans, null
Drop your CSV file here
or click to browse — supports .csv, .tsv, .txt
Your files never leave your device.
Convert CSV to JSON Online — Fast & Private
Use this free CSV to JSON converter to convert CSV files into JSON instantly. Export an array of objects or JSON Lines (NDJSON) for APIs, databases, and data pipelines.
This tool runs entirely in your browser for speed and privacy. Your CSV file is never uploaded to a server.
Enable type inference to automatically convert numbers, booleans, and null values, or keep everything as strings for maximum compatibility.
Frequently Asked Questions
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