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CSV Transposer

Swap rows and columns in a CSV table - transpose your data with one click.

CSV Transposer logo
by
CHUNKY
MUNSTER
CSV INPUT0 CHARS
TRANSPOSED OUTPUT0 CHARS

About CSV Transposer

Transposing a table swaps its rows and columns - what was column 1 becomes row 1, and so on. This is the same operation as the TRANSPOSE function in Excel or Google Sheets. Useful when you need to pivot data for different reporting or import formats. Runs entirely in your browser.

How to Use This CSV Row to Column Tool

  1. Paste your CSV data into the input area.
  2. Click Transpose - rows and columns are swapped instantly.
  3. The first row of the output becomes the first column of the input, and so on.
  4. Copy or download the transposed CSV for your spreadsheet.

CSV Transposer swaps the rows and columns of your tabular data, effectively rotating the entire dataset 90 degrees. This operation is essential when data provided in a wide format needs to be converted to a long format, or vice versa, for compatibility with specific database schemas or reporting tools. This utility handles large datasets entirely within your browser, ensuring that your data remains private and secure while you rotate csv data.

Rotate CSV Data for Better Analysis

This flip csv columns and rows utility is the CSV equivalent of the matrix transpose operation in mathematics. It is commonly needed when data is organised in one orientation but a target system expects the other. Whether you are performing a simple structural swap or need a transpose spreadsheet online solution for complex data preparation, this tool ensures that all RFC 4180 quoted fields and embedded delimiters are preserved during the rotation. It is the ideal csv data formatter for quick, reliable data pivoting.

Frequently Asked Questions

Is CSV transpose the same as a matrix transpose?

Conceptually yes. If your CSV represents a matrix (all values numeric), the transpose is the mathematical matrix transpose. For mixed data (strings, numbers, headers), it is simply a structural row/column swap.

What happens if the original CSV is not perfectly rectangular?

Rows with fewer columns than the maximum are padded with empty fields so the output is rectangular. Rows with more columns than the header row are included with extra cells.

Can I undo a transpose?

Transposing twice returns to the original - it is its own inverse operation. Paste the transposed output and click Transpose again.

Is there a maximum size for the input?

No hard limit - the entire operation runs in your browser's JavaScript engine. Very large files (100,000+ rows or columns) may slow the browser; for those, a command-line tool like csvkit is more appropriate.

See also CSV Column Tools and CSV Delimiter Changer to further process your files after using this CSV Transposer.