Free · Browser-local tools
Transpose a CSV file
Swap CSV rows and columns, including the source header row. Preview the new layout, apply with undo, or download a transposed copy.
Transpose CSV
Start with your CSV
Open your file in the CSV editor with this tool already selected. Preview the result before downloading.
- Open your CSV.
- Review dimensions and paired before/after tables.
- Copy, apply with undo or download the transposed result.
Free · No signup · File contents stay in your browser. Back to page and Resume keep your edits in this tab. Download your edited copy before refreshing; refresh opens the original file. Open files up to 1 GiB with browser storage.
Try a small example
3 records · 3 columns| id | name | amount |
|---|---|---|
| 1 | Example one | 12 |
| 2 | Example two | 24 |
| 3 | Example three | 18 |
Rows become columns
| id | 1 | 2 | 3 |
|---|---|---|---|
| name | Example one | Example two | Example three |
| amount | 12 | 24 | 18 |
Illustrative fictional data. Open the sample to try the tool.
How to transpose csv
- 1
Open your CSV.
- 2
Review dimensions and paired before/after tables.
- 3
Copy, apply with undo or download the transposed result.
What to expect
Transposes the complete rectangular table including the source header row. The first resulting row becomes the output headers.
Local files and clear limits
These tools process file contents on your device. The browser workspace accepts files up to 1 GiB and 5 million records, subject to available browser storage and decoded-record limits. This tool's calculations support up to 100,000 records, 2 million cells and 64 MB of text. Download a new copy to keep your result.
Plain answers
Transpose CSV questions
What can I do with this transpose csv tool?+
Transposes the complete rectangular table including the source header row. The first resulting row becomes the output headers.
Does my CSV leave my device?+
File selection, editing and these task operations run in your browser. No account or file upload is required. Download a new copy to keep your result; refreshing restores the original input, not unsaved edits.
Do the editor and task have the same file limits?+
The editor opens files up to 1 GiB and 5 million records, subject to browser storage and decoded-record limits. This task supports up to 100,000 records, 2 million cells and 64 MB of decoded text.