You'll have to download the standalone apps to get to work on mobile devices, but you can now crop, rotate and add borders to images inside Google Docs. The same handy modification tools that have been available in Slides now make their debut in Mountain View's word processor. Gone are the days of firing up a separate app to crop those snapshots down size before properly illustrating your thesis. If you're in need of a step-by-step breakdown, Google provided one right here.