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CSV to JSON Converter
Load CSV
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CSV Data Preview
Upload a CSV file to preview its contents and convert to JSON format.
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JSON Output
Column Name Handling
Keep as-is (flat structure)
Parse dot notation (nested structure)
If enabled, columns like "user.name" will create nested objects: {"user": {"name": "..."}}
Output Format
JSON Array (standard)
JSON Lines (JSONL/NDJSON)
Choose between standard JSON array or JSON Lines format (one object per line)
Download JSON
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