Bitly subscribers on some paid plans can upload a custom logo when creating QR Codes in Bitly.
Bitly QR Code image requirements
Your logo must be a PNG file, with a maximum file size of 5MB.
Bitly QR Code logo best practices
For best results, use an image with a 1:1 aspect ratio.
If you have multiple versions of your logo, we recommend using the version that is the least complex. The space for your logo inside the QR Code is small, so simple images look best.
Notice how our Bitly logo looks in this example. Even though the image is small, the logo itself is still visible: