Turn spreadsheet rows into JavaScript objects
When data starts in a CSV export but your application expects JavaScript, converting each record into an object makes the fields easier to reference by name. This converter uses the first row as the object keys and creates one object for each following data row.
For example, headings such as id,name,city become keys on every object. The converter preserves cell values as strings, which keeps details like leading zeros intact and avoids guessing how your application wants to handle dates, identifiers, or decimals.
Keep the generated structure predictable
Blank headings are given generated names such as Column 3, and repeated headings receive a suffix so an object does not silently overwrite one property with another. Empty cells become empty strings. Review the preview if the source has short rows, blank headings, or values with special characters.
The output is a JavaScript array of objects suitable for pasting into a source file or using as sample data. It does not create a live connection to the CSV or load a file at runtime.
Convert and use the code
- Choose a CSV, TSV, or delimited text file.
- Convert the file and inspect the generated object keys and values.
- Copy the code into your project or download it as a JavaScript file.
- Adjust value types in your application if a field should be a number or boolean.
Files up to 50 MB are processed in your browser. The original file is not changed or uploaded.
Questions about CSV to JavaScript
Does the converter make numbers into JavaScript numbers?
No. Values remain strings so formatting such as leading zeros is preserved. Convert values to numbers in your code when that matches your data rules.
Does the first row become an object?
No. The first row supplies the object keys; each subsequent row becomes an object in the array.
What happens to repeated headings?
Repeated headings are made unique with a numeric suffix so each value retains a separate property.
Can I use the output as a live CSV reader?
The output is a static array of objects. It does not read or sync with the source file after conversion.
Is the file uploaded?
No. Conversion runs in your browser.
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