Quick definition
A QR code is a scannable 2D barcode that can open links, contact cards, menus, apps, or text.
Best use cases
Restaurant menus, business cards, product packaging, events, WiFi access, and print-to-web campaigns.
What to watch out for
Always test QR codes on multiple phones before printing.
Related converters
Conversion tip
Keep the original file, create a converted copy, then compare file size, quality, and compatibility before deleting or uploading the result.