What delimiter does it support?

Comma-separated CSV is supported by default. Tab-separated files (.tsv) should be renamed to .csv first.

CSV to Excel Converter

Convert CSV files to Excel XLSX spreadsheets instantly.

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Fast Processing

No Installation Required

or drop files here

Files stay private. Automatically deleted after 2 hours.

How to CSV to Excel Converter

Upload your .csv file.

Rows are mapped to Excel rows with auto-detected headers.

Download the ready-to-use XLSX file.

Features

Auto-detects Headers

Preserves All Data

Large CSV Support

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When to use CSV to Excel Converter

CSV to Excel Converter helps analysts, operations teams, developers, and finance teams. Use it when you need to turn CSV files into XLSX output, prepare a cleaner sharing copy, or finish a document workflow without installing desktop software.

convert structured data into spreadsheets or documents
make machine data readable
prepare data files for reporting

Quality checklist

Validate row counts, delimiters, dates, and encodings.
Check nested fields after conversion.
Avoid sharing sensitive data without review.

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Security

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CSV to Excel Converter

Convert CSV files to Excel XLSX spreadsheets instantly.

Frequently Asked Questions

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