Step 2 · Label freehand
Step 1 · Load your images
Keyboard shortcuts
KToggle answer key
EEraser on/off
UUndo last stroke
DDark / light background
GGrid on/off
PStylus only (Apple Pencil drawing, finger zoom)
1–9 0Pick pen color (white = click only)
[ ]Pen smaller / bigger
SSave annotated PNG
PStylus only on / off (palm rejection + finger pinch-zoom)
VSide-by-side compare (when both images loaded)
+ −Zoom in / out (also ↑ / ↓)
0Reset zoom to 100%
BSave current pair as a page
RShuffle a page (uses current filters)
Starter library · Ready-made pages
Atlas starter library(0)
Built-in practice pages for the body-organization unit. Load to canvas opens a pair right away so you can label the unlabeled image, then toggle the answer key to check yourself. Add to my book copies the page into your own library below, where you can shuffle and search it alongside pages you save.
Step 3 · Your library, page by page
My coloring book(0)
No pages yet
Load a practice image plus an answer key, then click Save this page in the toolbar to start your book. Pages you save here are stored on this device and grouped by module in this index.