Tabular Transformer
Drag & drop CSV / Excel here, or click to choose a file
(supports quoted CSV — commas inside quotes stay in the same cell)
Input summary
No file loaded
Fixed columns (ranges)
Repeat group size
Repeat range (start:end)
Rename repeated columns (comma separated, optional)
Add category column
Category source column
Process
Download Excel
Download CSV
Input preview (top 5 rows)
Output preview (top 5 rows)