File ToolsFree

CSV to JSON

Convert CSV files or pasted CSV text to JSON format instantly in your browser. Handles headers automatically, correctly parses quoted fields containing commas, and supports comma, semicolon, tab, and pipe delimiters. Preview the JSON before downloading. No signup.

Updated June 2026

  1. 1Upload your CSV file
  2. 2Conversion runs instantly
  3. 3Download your JSON file
Delimiter:

How to use CSV to JSON

  1. 1

    Upload your CSV file

    Drag and drop your CSV file into the upload area, or click to browse and select it from your device. Nothing is sent to a server.

  2. 2

    Conversion runs instantly

    ToolBubble converts the file to JSON directly in your browser — no waiting in an upload queue.

  3. 3

    Download your JSON file

    Once processing finishes, the converted JSON file downloads automatically to your device.

Frequently asked questions

Everything you need to know about csv to json.

Comma (standard CSV), semicolon (common in European CSVs), tab (TSV format), and pipe (|). The delimiter is auto-detected or can be manually selected.

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