Combine many spreadsheets into a single table.
Columns are matched by their header name. A column that only some files have is added, and left empty for the others.
Drop CSV and Excel files together. You see how many rows each has.
Match columns by header name, and add a Source column if you want to know where each row came from.
Get one CSV or Excel file with everything in it.
No. The files are combined in your browser.
With First row is a header on, columns are matched by name (ignoring upper and lower case). Columns that only some files have are added and left empty for the rest.
Yes. Add the Excel file and turn on Use every sheet of Excel files.
It adds the file name (and sheet name) to each row, so you can see where it came from.
Yes. They are read the same way and combined into one table.