CSV to Excel Converter

Convert raw CSV data into formatted Excel spreadsheets automatically.

Back to Home
CSV → Excel (.xlsx)

Spreadsheet automation

Convert CSV to Excel

Upload a CSV file and we’ll convert it into a clean Excel workbook (.xlsx) you can download instantly. Preserve column order, delimiters and UTF-8 characters with this browser-based CSV to Excel converter.

Drag & drop your CSV here

or click to browse — max 20MB

No file selected yet.
Back

Built for revenue, ops and data teams

Stop fighting with Excel import errors. This CSV to Excel converter rebuilds your dataset with strict UTF-8 support, trims rogue delimiters, and auto-detects header rows. Demand gen teams use it to bulk edit lead lists, while analysts reformat payment exports before loading them into BI tools.

  • Preserves formulas-ready formatting for downstream spreadsheets.
  • Great for marketing automation, Shopify exports and SaaS billing reports.
  • Download as native XLSX so collaborators can keep working in Excel or Numbers.

How to optimize your spreadsheet workflow

  1. Clean your CSV source: confirm comma or semicolon delimiters and UTF-8 encoding.
  2. Upload to the converter and wait for the live progress bar to complete.
  3. Open the downloaded XLSX, add conditional formatting, pivot tables or charts.
  4. Save back to OneDrive, Google Drive or your CRM with confidence.

Tip: combine this tool with the Excel → CSV workflow to create reliable round trips between BI stacks, databases and marketing platforms.

CSV to Excel FAQs

Will my data stay private?
Absolutely. Conversions happen client-side in your browser, so customer or finance data never touches our servers.
Does it support large datasets?
Files up to 20MB are supported, which comfortably covers 100k+ row exports.
Can I keep formulas intact?
CSV files do not store formulas, but once converted you can add Excel formulas, pivot tables and macros, then export again whenever needed.

How to Convert CSV to Excel Online

Transform your CSV files into professional Excel spreadsheets in seconds.

1

Upload CSV File

Select your CSV file or drag it into the upload area to begin conversion.

2

Automatic Formatting

Our tool formats your data with proper headers, columns, and cell styling.

3

Download XLSX

Download your professional Excel file, ready to use in Excel or Google Sheets.

Smart Formatting

We automatically detect data types and format your Excel sheet for readability.

XLSX Output

Get a standard .xlsx file compatible with Microsoft Excel, Google Sheets, and more.

Large Files

Process large CSV files quickly in your browser without uploading them.

Frequently Asked Questions

Common questions about CSV to Excel conversion.

Will my CSV formatting be preserved in Excel?

Yes! Our converter intelligently detects your CSV structure, including headers and delimiters, and creates a properly formatted Excel spreadsheet with styled headers and organized columns.

Can I convert large CSV files?

Absolutely! Since the conversion happens entirely in your browser, there are no file size limits. Large files are processed quickly without any uploads to external servers.

What's the difference between CSV and Excel?

CSV (Comma-Separated Values) is a plain text format that stores data, while Excel (XLSX) supports formatting, formulas, multiple sheets, and rich styling. Converting to Excel makes your data more professional and easier to analyze.