Dropbox (Web Application)

Dropbox Screenshots (to disable/enable these shortcuts go to Settings > Preferences > Import > Screenshots > (checkbox)

Save the screenshot to your Dropbox.

PrtSc

All hotkeys for Dropbox (Web Application)

16 Shortcuts for Dropbox (Web Application)
Check all/no files

a

16 Shortcuts for Dropbox (Web Application)
Uncheck all files

n

16 Shortcuts for Dropbox (Web Application)
Copy checked files

c

16 Shortcuts for Dropbox (Web Application)
Move checked files

m

16 Shortcuts for Dropbox (Web Application)
Up a directory

u

16 Shortcuts for Dropbox (Web Application)
Check deleted files

p

16 Shortcuts for Dropbox (Web Application)
Invert checked files

i

16 Shortcuts for Dropbox (Web Application)
Search

/

16 Shortcuts for Dropbox (Web Application)
Show/hide deleted files

d

16 Shortcuts for Dropbox (Web Application)
Hide Popup/ back tally

esc

16 Shortcuts for Dropbox (Web Application)
Show keyboard shortcuts

?

16 Shortcuts for Dropbox (Web Application)
Highlight previous / highlight next file

k / j

16 Shortcuts for Dropbox (Web Application)
Check highlighted file

space

16 Shortcuts for Dropbox (Web Application)
View highlighted file

o

Dropbox Screenshots (to disable/enable these shortcuts go to Settings > Preferences > Import > Screenshots > (checkbox)
Save the screenshot to your Dropbox.

PrtSc

Dropbox Screenshots (to disable/enable these shortcuts go to Settings > Preferences > Import > Screenshots > (checkbox)
Save the screenshot to your Dropbox and copy a link to the Clipboard.

Ctrl + PrtSc

Similar combinations for other applications