One link or text per line. Add a second column for file names.
Paste from a spreadsheet, or a CSV like "url,filename".
Saved together as one .zip file.
Ready. 4 codes, one file each.
Each code is static, so it never expires. File names come from your second column, or the row number and link when there isn't one. Up to 500 codes per batch.
Free Bulk QR Code Generator by Hiyaly