CSV Converter — Convert CSV Files Online Free
Convert CSV files to and from 50 formats. Free online CSV converter with no signup required.
ChangeThisFile supports 50 conversion routes involving CSV files — 21 conversions from CSV and 29 conversions to CSV. All conversions are free with no signup required.
CSV Format Details
| Full Name | Comma-Separated Values |
|---|---|
| Developer | Various / RFC 4180 |
| Year Introduced | 1972 |
| MIME Type | text/csv |
| File Extension | .csv |
| Typical File Size | 1KB - 100MB |
| Max Supported Size | No limit (browser) |
| Open Standard | Yes (RFC 4180) |
Convert From CSV
21 formats you can convert CSV files to
Convert To CSV
29 formats you can convert to CSV
Frequently Asked Questions
CSV (Comma-Separated Values) is a plain text file format that stores tabular data. Each line represents a row, and values are separated by commas. CSV is the most universal data exchange format, supported by every spreadsheet application and programming language.
Go to the CSV to XLSX converter page and drop your CSV file. The conversion runs in your browser using SheetJS — your data never leaves your device. The result is a properly formatted Excel workbook.
Yes. The CSV to JSON converter turns each row into a JSON object using the header row as keys. The conversion runs in your browser for complete privacy.
Yes. The converter correctly handles quoted fields, escaped commas within quotes, double-quoted values, multi-line fields, and various delimiter styles.
Yes. Go to the XLSX to CSV converter page. The conversion extracts the first sheet of your Excel workbook as a CSV file, all within your browser.
Yes. All CSV conversions run entirely in your browser using JavaScript (PapaParse and SheetJS). Your data files are never uploaded to any server.
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