On macOS, you can quickly toggle grayscale on and off by pushing (not tapping) the Touch ID button three times. You’ll want to disable everything except “Color Filters” before doing this:
You can also set up a shortcut for toggling grayscale on Android (simultaneously pressing the top and bottom of the volume button is the trigger). Instructions here. (Annoyingly, this also sometimes forces a reload of whatever you’re looking at, so you can lose data if you’ve e.g. started filling out a form and then toggle grayscale.)
On macOS, you can quickly toggle grayscale on and off by pushing (not tapping) the Touch ID button three times. You’ll want to disable everything except “Color Filters” before doing this:
You can also set up a shortcut for toggling grayscale on Android (simultaneously pressing the top and bottom of the volume button is the trigger). Instructions here. (Annoyingly, this also sometimes forces a reload of whatever you’re looking at, so you can lose data if you’ve e.g. started filling out a form and then toggle grayscale.)
This is still amazing. Thanks!