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Convert CSV data to JSON and JSON to CSV format online. Use our free csv to json converter online tool — instant results, no upload, completely private.
No account · No upload · No watermark · Works on any device
Navigate to the CSV to JSON Converter tool — no download or installation needed.
Drop your file or paste your data. Everything stays in your browser, nothing is uploaded.
Processing happens instantly on your device. Download or copy your result.
Convert spreadsheet data for API import
Transform CSV exports into JSON format
Prepare data migration files
Convert JSON data to YAML format for configuration files.
Convert JSON data to XML format and XML back to JSON.
Convert JSON arrays to CSV format for spreadsheets and data analysis.
Convert Unix timestamps to human-readable dates and vice versa.
No signup, no upload, 100% private. Works right in your browser on any device.
Open CSV to JSON