https://l.zat.is/https://srv.us:
creates and returns a relatively short link (https://zat.is/.${base32(sha256(url)[:16])}
)
for https://srv.us.
https://qr.zat.is/txt~https://srv.us: makes a QR code instead, in textual form (your mileage may vary based on the font and spacing, maybe angle the camera to square the rectangle);
https://qr.zat.is/gif~https://srv.us: now in GIF;
https://qr.zat.is/png~https://srv.us: now in PNG;
https://qr.zat.is/png10~https://srv.us: now scaled up to 5 pixels per block;
https://qr.zat.is/png5.008~https://srv.us: now in blue (colors can be of the form RGB or RGBA or RRGGBB or RRGGBBAA);
https://qr.zat.is/png5.008.ff08~https://srv.us: now over partly transparent yellow;
https://qr.zat.is/png5~https://…/QR_code%23Design:
linking to a URL containing an anchor; while we do our best to avoid
escaping, it is specifically required for #
so the full URL
is transmitted to our server.
Link
header indicates the URL appearing in the QR
code.To
header indicates where the URL redirects
to.<img
src="https://qr.zat.is/gif~https://srv.us"
style="image-rendering:pixelated; width:100%"/>