CSV ↔ Excel Converter

Convert CSV files to Excel (XLSX) and Excel to CSV with advanced options.

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Supports CSV, XLS, XLSX files

Output

Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.

Examples

Example 1

Convert CSV with custom delimiter

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Example 2

Export Excel to UTF-8 CSV

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Example 3

Handle large datasets efficiently

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Frequently Asked Questions

Q: What delimiters are supported?

A: Comma, tab, semicolon, pipe, space, and custom delimiters.

Q: Does it preserve formulas?

A: Excel to CSV loses formulas (values only). CSV to Excel creates values.

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Privacy & Security

This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.