User-Friendly Interface:

• Clean, modern design with intuitive layout

• Drag and drop functionality for easy file upload

• Visual feedback during drag operations

File Management:

• Lists all uploaded PDF files with names and sizes

• Allows reordering files via buttons or drag & drop

• Option to remove individual files

PDF Processing:

• Merges PDFs using pdf-lib library (client-side)

• Progress indicator during merging process

• Error handling with user feedback

Result Delivery:

• Download button for the merged PDF

• All processing happens in the browser (no server uploads)