LocalKit.
FREE. SIMPLE. LOCAL.

CSV to Excel Converter

Turn CSV rows into a real Excel workbook. Free, fast and private.

No registration Private processing 100% free
Ready when you are Private processing

Drop your files here

or choose them from your device

CSV · Up to 5 MB per file
Output settings
Your files never leave your device.
Files are processed locally in your browser.No account. No uploads.

Values remain text; formulas are not executed.

A LITTLE CONTEXT

About CSV to Excel

CSV is a plain-text table with separators and quoted values. This tool parses those fields and writes an XLSX workbook, keeping values as text to preserve identifiers.

Why convert CSV to Excel?

Use XLSX when you need an Excel-compatible container or want to avoid accidental loss of leading zeroes.

How to convert CSV to Excel

  1. 1
    Choose your input

    Drop a supported file into the workspace, or paste text where available.

  2. 2
    Make it your own

    Review the available output settings and selected files.

  3. 3
    Convert and download

    Run the tool and download your result. Multiple results can be saved as a ZIP.

Is this csv to excel tool safe?

Your files never leave your device. Processing happens locally in your browser; there is no file-upload service. Keep your original and check the converted result.

GOOD TO KNOW

Frequently asked questions

Are leading zeroes preserved?+

Yes. CSV values are written as strings, so codes such as 00123 retain their zeroes.

How are my data processed?+

Processing happens in your browser. Your file contents are not sent to our server, and closing or clearing the page releases them.