Krita Layer Management Shortcuts
Krita's layer shortcuts follow the conventions most editors share, with two genuine departures — a new layer on Insert rather than a Ctrl combination, and stack navigation on Page Up and Page Down — both of which behave awkwardly on compact keyboards. The rest map onto habits carried over from other editors, which makes the two exceptions more disruptive than their number suggests, since they are the ones you reach for most often.
| Action | Windows | Mac | Description |
|---|---|---|---|
| Add a paint layer | Insert | Insert (or fn+Return on compact keyboards) | Adds a new paint layer directly above the active one. Krita's Insert binding is unusual — most editors use a Ctrl+Shift combination — and it is genuinely awkward on laptop keyboards that reach Insert only through a function-key layer. |
| Duplicate layer or mask | Ctrl+J | Cmd+J | Copies the active layer or mask in place. The standard move before a destructive filter or transform, so the original stays intact underneath while you decide whether the change was an improvement. |
| Merge with layer below | Ctrl+E | Cmd+E | Collapses the active layer into the one beneath it. Adding Shift — Ctrl+Shift+E — flattens the entire image instead, a much larger and easily-mistyped difference between two adjacent shortcuts. |
| Quick group | Ctrl+G | Cmd+G | Wraps the selected layers in a group. Ctrl+Shift+G creates a quick clipping group instead, where the group is masked by its lowest layer — the usual way to paint inside a shape without spilling over its edges. |
| Activate next / previous layer | Page Up / Page Down | Page Up / Page Down (fn+Up / fn+Down) | Walks the selection up and down the layer stack without leaving the canvas. Adding Ctrl moves the layer itself instead of the selection, which is the difference between browsing the stack and reordering it. |
| Copy selection to a new layer | Ctrl+Alt+J | Cmd+Option+J | Lifts whatever is inside the current selection onto its own new layer, leaving the original untouched. Ctrl+Shift+J cuts instead of copies, removing the pixels from the source layer as it goes. |
| Rename current layer | F2 | F2 | Puts the active layer's name into edit mode without hunting for it in the docker. Trivial on a three-layer sketch and genuinely valuable on a forty-layer illustration where every layer is still called 'Paint Layer 12'. |
Adding a paint layer on Insert is the outlier. Almost every comparable application uses a Ctrl+Shift combination, and Krita's choice is defensible on a full-size keyboard where Insert is a real key sitting unused. On a laptop it is reached through a function layer or not at all, and on most Mac keyboards it does not exist as a labelled key. Anyone working on a compact board should rebind this early, because adding a layer is not an occasional action — it is something you do dozens of times in a session, and a shortcut that requires a two-handed contortion gets abandoned in favour of the menu, which is slower still.
Ctrl+J duplicates the active layer or mask in place, and it earns its place as the reflex before anything destructive. Krita's undo history is robust, but a duplicate gives you something better than undo: the original and the modified version side by side, so you can toggle visibility and actually compare rather than trying to remember what the previous state looked like. For selections there is a related pair — Ctrl+Alt+J copies whatever is inside the current selection onto a new layer, and Ctrl+Shift+J cuts it, removing the pixels from the source as it goes. The copy variant is the safer default.
The merge shortcuts are where a single modifier changes the scale of the action dramatically. Ctrl+E merges the active layer into the one below it, a small and local operation. Ctrl+Shift+E flattens the entire image into one layer, discarding the whole stack. These sit one key apart and both are easy to mistype in the middle of a fast editing pass. The flatten is undoable, but on a large file it can take long enough that people assume Krita has hung and force-quit, losing the work the undo would have restored. Saving before deliberately flattening is a cheap habit.
Grouping splits into two similar-looking commands with meaningfully different results. Ctrl+G wraps the selected layers in an ordinary group. Ctrl+Shift+G makes a quick clipping group, where the group's contents are masked by its lowest layer — so painting inside it cannot spill past the shape defined below. That is the standard technique for shading a character or an object without constantly repairing the silhouette, and reaching for it deliberately rather than discovering it by accident is one of the clearer efficiency gains available in Krita's layer workflow.
Stack navigation on Page Up and Page Down moves the active layer selection without leaving the canvas, and adding Ctrl moves the layer itself rather than the selection — browsing versus reordering, one modifier apart. On Mac keyboards both require fn combinations, which makes them noticeably less useful than on a full-size board. F2 renames the active layer in place, and its value scales with the file: irrelevant on a three-layer sketch, genuinely important on a forty-layer illustration where everything is still called 'Paint Layer 12' and finding the right one means clicking through the stack watching for the canvas to flicker.
Krita's layer model is worth a paragraph on its own, because it affects which of these shortcuts you reach for. Alongside ordinary paint layers the stack holds vector layers, filter layers, fill layers, file layers and several kinds of mask, and they do not all respond identically to the same command. Ctrl+E merging a paint layer into another paint layer is straightforward; merging across types forces a rasterisation that silently discards the editability of whatever was vector or procedural. Nothing warns you, and the undo history is the only route back. Checking the type icons in the docker before a merge is a small habit that prevents a genuinely annoying class of loss.
The same applies to duplication. Ctrl+J on a filter layer copies the filter, not the pixels it is affecting — which is usually what you want, and occasionally a surprise if you expected a flattened copy of what you can see. When you specifically want the visible result rather than the structure that produces it, Ctrl+Shift+C copies merged, taking everything visible within the selection across all layers, and pasting that gives a single flat layer. Between Ctrl+J for structure and copy-merged for appearance, most of the awkward cases in Krita's layer handling have a clean answer, and knowing which one you actually need is more than half the battle. The general rule holds across the whole set: Krita's layer shortcuts act on the layer as an object, not on the picture it contributes to, and the moment you want the picture instead you are looking for a merged copy rather than a layer command.