Convert CSV to JSON Online — Sheets to API Data

A marketer exported contacts as CSV. Your script wants JSON. Rewriting rows by hand is how typos ship.

CSV to JSON turns header rows into object keys. Afterward, tidy with JSON Formatter. To go back to a sheet, use JSON to CSV. All in-browser.

Tips for clean CSV

• First row = headers (unique names help)
• Watch commas inside quoted fields
• Save as UTF-8 if you have accented names
• Drop totally empty trailing rows

Steps

1. Open CSV to JSON.
2. Paste the CSV (or a copied sheet range).
3. Convert and copy the JSON array.
4. Format if you need readable indent.

Related searches

• convert CSV to JSON online
• Excel CSV to JSON free
• spreadsheet to JSON converter
• CSV to JSON browser
• contacts CSV to JSON
• CSV to JSON no upload

FAQ

Uploaded?

No.

Numbers stay strings?

Many converters keep CSV cells as strings. Parse types in your app if you need real numbers/booleans.

Semicolon-separated exports?

European Excels often use ;. Normalize separators or export with commas first.