Thanks for the feedback @mix its super useful.

• It was 'Shard' before but I felt like that was a bit obscure. I went too far the other way
• Defaults a good idea and force non-error
• Copying - will rename from C to Copy and take your advice on forcing full selection. BTW its super easy:

var input = document.getElementById('myinputfield')
input.select() // selects all text in input field
document.execCommand('copy') // Now copied to clipboard

Haven't experimented with doing it on non-inputs. Would be cool to have that for codesnippets in patch-apps.

• I'm going to keep the accordion. I put it in for privacy reasons - it means you can systematically open and close. What if you're doing in a public location (especially with QRcodes, someone could scan over your shoulder)?
• QRCode were suggested by @peg, it means its easy to print it out to pass it to someone. I like having them there, it add more content to the page, gives it structure.

Other things to add:

• Copy All button at top, copies every input field and separates with \n
• Print button by QR Code - sends the image to print preview
• Print all button - send all qr codes to print preview... wonder if thats possible...
• More explanation and an example in About. Define unusual words used in the app (like 'Quorum')