Combine Files
Combine several CSV or Excel files into one — even if columns differ.
info
This tool is under development.
Features:
- Import multiple CSV/Excel files at once
- Automatic schema alignment (matching columns by name)
- Append mode: stack files vertically (union)
- Join mode: merge files on shared key columns
- Handle mismatched columns (fill missing with nulls or drop)
- Source file tracking column
upload_file Drag and drop files here
CSV, TSV, XLSX, XLS · multiple files allowed
Import multiple files to preview. Processing is not yet available.
Merge Strategy
Append (stack vertically)
Fill with null
check Add source filename column