📊
Drop your CSV file here
Supports .csv, .tsv, .txt files
Choose File
Delimiter
Text encoding
Rows: —
Columns: —
File size: —
Delimiter: auto
📊 CSV vs Excel — What's the Difference?
Both formats store tabular data, but they have key differences that affect how you should use them.
📄 CSV (Comma-Separated Values)
- Plain text format — universally compatible
- No formatting, formulas, or styles
- Smaller file size
- Editable in any text editor
- Perfect for data export/import
- Supported by every database and tool
📊 Excel (.xlsx)
- Rich formatting (colors, fonts, borders)
- Formulas and calculated cells
- Multiple sheets per file
- Charts and pivot tables
- Larger file size (ZIP-based XML)
- Native Microsoft Excel format
How to Use This Tool
- Upload your CSV file by dropping it on the zone or clicking "Choose File".
- The tool auto-detects the delimiter (comma, semicolon, tab, pipe) — or you can
set it manually.
- Toggle whether the first row is a header row.
- Preview the parsed data in the table before downloading.
- Click Download as Excel (.xlsx) to save the file.
Common Use Cases
- Converting exported data from Google Sheets, databases, or APIs to Excel format for sharing.
- Cleaning up CSV files before importing them into Excel for analysis.
- Converting TSV (tab-separated) or pipe-delimited exports to standard CSV or Excel.
- Previewing large CSV files without opening them in Excel (which can be slow for large files).
Tips for Better Results
- If your data has commas inside fields, make sure they're wrapped in double quotes:
"Smith, John"
- Use UTF-8 encoding to preserve special characters like accents and non-Latin
scripts.
- For very large files (100k+ rows), consider splitting the CSV before conversion.