Try the wheel

A browser copy of Swivel, a free, open-source file converter for the Mac. The files are pretend: nothing is read, changed or uploaded.

1. Start dragging a file 2. Tap ⇧ Convert, ⌘ Tools or ⌃ Actions 3. Scroll to switch rings 4. Drop on a slice (or in the middle to cancel) No keyboard? Tap a file.
Pictures
Shelf
Built from the app's own menus, names and wheel geometry. Key taps need a real keyboard; touch uses tap mode. Privacy: this page and the app collect nothing.