CSV to Excel Converter
Developer ToolsConvert CSV files or pasted text to XLSX
Embed this tool on your websiteFree
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- Press Copy code.
- Paste it into your page, blog, WordPress or Notion HTML block.
The tool runs inside your visitor's browser, nothing is uploaded, and a small "Powered by ToolCloak" line stays under it. The second line (script) is optional: it makes the frame fit the tool's height.
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History
All history →CSV to Excel Converter — at a glance
Open CSV data as a proper Excel file with real columns and numbers.
How to use it — step by step
A CSV / TSV file, or CSV text you paste.
Add a CSV
Choose a file or paste CSV text into the box.
Check options
Separator is detected for you. Change it if columns look wrong.
Press Convert
A workbook is built on your device.
Download
Save the .xlsx and open it in Excel, Sheets or Numbers.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
Why do my columns look merged?+
The separator was probably wrong. Pick comma, semicolon, tab or pipe manually.
Are leading zeros kept?+
Yes. Values like 007 or 0123 stay as text. Only plain numbers are converted.
Does it support Hindi / UTF-8?+
Yes, files are read as UTF-8.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.

