The library focuses on flexible header detection and robust data extraction, making it suitable for Excel files with:

• Variable header positions

• Unknown header row numbers

• Multiple possible header naming conventions

• Semi-structured or user-generated Excel templates

It supports:

• Automatic header detection

• Header detection using explicit cell location

• Header detection using expected column names

• Advanced matching using a minimum number of required header matches

The output includes:

• JSON representation of Excel data

• Concatenated row strings for free-text processing

• Header row metadata

• Matched header information for traceability