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CSV Transpose

Flip CSV rows and columns — wide tables to long form for analysis. Pivot stubborn exports without Excel gymnastics — local transposing, free, no signup.

100% Local Browser Native

How to Use the CSV Transpose

1. Upload the table

Wide-format CSVs.

2. Transpose axes

Rows become columns.

3. Download long form

Chart-ready output.

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Frequently Asked Questions

When to transpose?

Metrics-as-columns (Jan..Dec headers) transpose to date/value rows for charting. Time series almost always want long form.

Headers handling?

First row becomes first column; corner cell labels the series. Verify after — ragged rows transpose messily.

Large tables?

Thousand-cell tables transpose instantly; million-cell sheets need script tools. Browsers handle moderate sizes best.

Does transposing upload data?

No — transposing runs locally in your browser. Data never leaves your device.

What happens to ragged short rows?

They pad with blanks to the longest row before flipping, so no data shifts columns. The Metrics demo (metric,Q1-Q4 across 3 rows) becomes a 5-row by 4-column table headed metric,Revenue,Cost,Profit.

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Last updated October 2026