Transpose CSV
Flips rows and columns of a CSV table.

What Transpose CSV does
Transpose CSV is a free online utility that flips the orientation of a CSV table, swapping rows and columns so original headers become the first column and original rows define subsequent columns. Users upload a CSV file to receive a transposed version instantly. The Online CSV Tools version offers a clean interface with options to handle comment lines and replace missing values, making it more flexible than basic transposition tools that only swap data without addressing formatting gaps.
How to use the Online CSV Tools Transpose CSV
- 1
Upload your CSV file using the Input CSV import field
- 2
Adjust tool options to specify comment line characters or set a replacement character for missing values
- 3
View the transposed output displayed in the result area
- 4
Copy to clipboard, download the file, or export to Pastebin as needed
Best for
Developers and data analysts who need to quickly rearrange tabular data for analysis or system integration, especially when dealing with incomplete CSVs or comment lines that require cleanup.
Limitations
- Results are estimates and may require manual review for complex datasets
- No explicit unit or data type switching capabilities mentioned
- Free tier may have file size or feature restrictions not detailed in the excerpt
Transpose CSV FAQ
- Can I transpose a CSV that has missing values or empty cells?
- Yes, the tool allows you to replace missing values with either an empty character or a custom character of your choice during the transposition process.
- How do I remove comment lines from my CSV before or during transposition?
- In the tool options, you can specify the character that starts comment lines, and the tool will remove those lines before processing the transposition.
- Is there a limit on file size for the CSV I can upload?
- The material does not specify file size limits; users should check the tool's interface or documentation for any restrictions on upload capacity.
- What happens to the original column headers when the CSV is transposed?
- The original column headers become the values in the first column of the transposed output, while the original row entries define the subsequent columns.
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