This is using webrtc and speeds are slower than a physical USB I get 3-4MB/s instead of local network speed of 30MB/s due to browser browser implementation bottlenecks. I needed fast local network sharing of files over 5GB and tried a lot of approaches and speed doesn't budge more than 6-7MB/s .

Also you don't even need a server atleast for now in chrome webrtc transfer can work over a file:// in firefox it doesn't. For signaling you could even use free peerjs tunnel or other when user is connected to internet and otherwise fallback to this QR or offer code sharing. This will become so useful if browsers eliminate those bottlenecks.

also even in localsend speeds are limited usually to my internet speed for some reason.

Whenever I need to use something like this it's because the device isn't mine, which makes this so much better than an app. Would be cool if there was a text message option, and a bit of server so the second scan wouldn't be required. Pretty funny how simple the concept is though.

Doesn't seem to work for sending files from my Mac to my Android - I scan the code on the phone and....nothing happens? I tried sending via FF/Safari/Brave and receiving on FF/DDG. No idea what am I doing wrong.