Batch QR Generator — 2 × per Serial → PDFs → ZIP

Paste serials (one per line)

Or upload file (.xlsx, .xls, .csv)

If uploading Excel/CSV, first column will be used (first sheet).

Logo Width Ratio (0.1 = 10%)

Logo Height Ratio (0.1 = 10%)

Notes: each serial → 2 identical QR codes. Each serial gets its own PDF page. Final output is a single ZIP containing all PDFs.