Separate several addresses with commas.
Include the country code, starting with +, for callers abroad. Write an extension as x123 or ,123.
Decimal degrees with south and west negative, or degrees, minutes and seconds such as 40° 41′ 21″ N. A pair such as 40.6892, -74.0445 can be pasted into either box.
Roughly how much of the code can be dirty or damaged and still read. Higher levels make a denser code. M is the usual choice. Q and H suit places where codes get dirty, and L suits clean settings and long content.
Scanners expect a clear margin 4 modules wide. With less, keep the code away from other printing.
PNG, JPEG, SVG, WebP or GIF, up to 5 MB. The logo stays in your browser. It covers the middle of the code, so error correction is set to H while it is there.