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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Upload your .csv file.

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

Download the ready-to-use XLSX file.

Auto-detects Headers

Preserves All Data

Large CSV Support

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Convert JSON data to formatted Excel spreadsheets with automatic column detection.

Convert JSON arrays to CSV files for spreadsheets, databases, and data pipelines.

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