CSV Mapper
Reorder and rename CSV columns by dragging or using move buttons. Save one mapping template in this browser, including only column names and order, never row data. Strict comma CSV with a unique header; limits: 500 KB, 5,000 rows, 100 columns and 50,000 cells. No upload.
CSV Mapper
Reorder and rename CSV columns by dragging or using move buttons. Save one mapping template in this browser, including only column names and order, never row data. Strict comma CSV with a unique header; limits: 500 KB, 5,000 rows, 100 columns and 50,000 cells. No upload. Output is limited to 1 MB.
No data is uploaded or executed.
A QUICK WALKTHROUGH
How to use this tool
- Choose settings, generate, and review the result.
Local processing
Reorder and rename CSV columns by dragging or using move buttons. Save one mapping template in this browser, including only column names and order, never row data. Strict comma CSV with a unique header; limits: 500 KB, 5,000 rows, 100 columns and 50,000 cells. No upload. Output is limited to 1 MB.
GOOD TO KNOW
Common questions
Local processing?
No data is uploaded or executed.