CropKit
Crop pre-comps to what's actually drawn in them, without moving a thing on screen.
Direct download · no account needed
Works with
Live demo
Try CropKit
Drag the mask's corners or draw a new one on the layer, then press Mask Crop. Auto Crop and Crop Duration crop to what's drawn instead. The layer's box shrinks to the crop and the artwork stays exactly where it is.
Crops a pre-comp to what is drawn in it and keeps every layer that uses it exactly where it was.
Auto CropCrops each selected pre-comp to the pixels it shows at the current frame. Layers that are switched off or transparent don't count, and neither do the layer's own masks and effects.
Crop DurationLike Auto Crop, but over every frame between the layer's in and out points, so nothing that moves gets cut. EffectCraft pauses until the scan is done.
Mask CropCrops the pre-comp to the outline of a mask on its layer (a rectangle mask gives an exact box). With several masks, select one in the Timeline or pick it from the list.
Delete MaskRemoves that mask after the crop. Untick it to keep the mask: it stays lined up with the content.
PadPixels to leave around the crop on every side: whole pixels, and a negative value crops into the content.
Previous Crop InfoThe last crop: the sizes before and after, and the pixels taken off each side (+ where the padding added some).
What a crop changesThe pre-comp's top-level layers move by the crop's offset, keys included, and every layer that uses the pre-comp, in every composition, gets its Anchor Point, masks and effect points moved to match. One Undo takes it all back.
About this script
Auto Crop trims a pre-comp to the pixels it shows at the current frame, Crop Duration to everything it shows between its in and out points, and Mask Crop to a mask you draw on its layer. Every layer that uses the pre-comp, in every composition, stays exactly where it was: anchor points, masks and effect points move with the content. One undo takes it all back.
What it does
- Auto Crop to what's drawn at the current frame
- Crop Duration over every frame of the layer
- Mask Crop to any mask, curves included
- Pad, or crop into the content with a negative value
- Layers stay put in every comp that uses the pre-comp
- Before and after sizes, and what came off each side
- One undo step, and nothing left behind
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