Take high resolution screenshots of websites

Chrome

1. open Chrome dev tools, device mode
2. select preset “Responsive”, set DPR to 3.0
3. press ctrl+shift+p
4. type “Capture Fullsize Screenshot”

Firefox

1. ctrl+shift+k
2. and type (there’s autofill)
3. :screenshot --dpr [multiplier], e.g. :screenshot --dpr 2