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About the CSV to JSON Converter
Paste CSV data (with a header row) to get a JSON array of objects — the header row becomes each object’s keys. Handles quoted fields containing commas or line breaks.
How to use the CSV to JSON Converter
- Paste CSV data, first row as the header.
- Click Convert.
- Each subsequent row becomes one JSON object.
- Copy or download the JSON output.
Step-by-step walkthrough with examples and the errors people hit: How to Convert CSV to JSON.
Example
CSV input
id,name 1,Ada 2,Grace→
[
{ "id": "1", "name": "Ada" },
{ "id": "2", "name": "Grace" }
]
Common errors and how to fix them
Values are strings, not numbers
CSV has no types, so everything is text. Convert in your code, or post-process with a small script if you need numbers and booleans.
Rows have too few values
Missing trailing cells become empty strings. Check the source export for rows that were truncated.
More problems and fixes in the tutorial
FAQ
Are numbers converted to number types?
No — CSV has no type system, so every value is a string. Pipe the result through a formatter or your own code if you need typed values.
Does it handle quoted commas?
Yes, a field wrapped in double quotes may contain commas or line breaks and is parsed correctly.
What delimiter is expected?
A comma. If your file uses semicolons or tabs, convert those to commas first, or use a spreadsheet’s export-as-CSV option.