CSV to JSON
Developer ToolsConvert CSV data into formatted JSON.
Output
What is CSV to JSON?
CSV to JSON turns comma-separated data into a formatted JSON array.
How to use CSV to JSON
- 1 Paste the CSV including its header row.
- 2 Click Convert.
- 3 Copy or download the JSON.
Supported formats and limits
- Input: CSV
- Output: JSON
- Runs in your browser
Common uses
- Convert a spreadsheet export into JSON.
- Prepare data for an API or app.
- Inspect CSV data in a structured format.
Things to know
- Column types are inferred, so numbers may arrive as strings.
- Unusual delimiters or quoting can affect the result.
Privacy and file handling
Parsing is performed locally in your browser.
Frequently asked questions
Is the first row used as keys?
Yes. The first row is treated as the field names for every object.
How is my CSV structured in the JSON output?
The first row is treated as headers, and each following row becomes a JSON object keyed by those headers.
Does it handle quoted fields and commas inside values?
Yes. Standard CSV quoting is respected.
Does the conversion happen online?
No. It runs in your browser.
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