Transpose CSV Rows and Columns

No. Pasted text and uploaded files are both read and transposed entirely on your device; nothing is sent to a server. Turn off your Wi-Fi after the page loads and it still works. This page loads 10KB of JavaScript, gzipped - about what your browser's network tab will show for this page's own scripts.

Every row in your file becomes one column in the output, and every column becomes one row - the same operation as a spreadsheet's "Paste Special > Transpose". A 3-row, 5-column table comes back as a 5-row, 3-column table, with the same values, just flipped along the diagonal.

Short rows are padded with blank cells up to the width of the widest row before transposing, so the result is always a clean rectangle. Nothing shifts out of place just because one row happened to have fewer fields than another.

A completely blank line (no content in any of its cells) is skipped rather than turned into an entirely empty output column. If you need a strict, literal transpose that keeps blank lines as-is, turn off "Skip blank rows" once your file is loaded.

Yes. This tool reads the whole file with a full CSV parser, so a quoted field like "Smith, John" or a quoted field containing its own line break is kept as one field, correctly, before transposing.

Yes. Any cell value that would otherwise be interpreted as a spreadsheet formula (starting with =, +, @, or a tab) is automatically neutralized with a leading quote before download, the same protection used across every CSV export on this site.