Merge Layers in Photoshop (and Safely Unmerge)
This tutorial walks you through every way to merge layers in Photoshop and how to recover if you merged by mistake. You’ll see the differences between Merge Layers, Merge Visible, and Flatten Image, plus a professional, non-destructive alternative using Smart Objects. You’ll stay efficient while keeping your edits safe.
Step-by-step instructions
Select layers to merge
Open the Layers panel.
Ctrl-click (Windows) or Command-click (Mac) to select individual layers.
Shift-click to select a continuous range of layers.
Use destructive merge options (with caution)
Right-click the selection and choose Merge Layers to combine the selected layers into one.
Hide layers you don’t want merged by clicking their eye icons, then right-click and choose Merge Visible to merge only visible layers.
To finalize everything, go to Layer → Flatten Image (merges visible layers and discards hidden ones).
Undo an accidental merge with History (before closing)
Open Window → History.
Click the step just before the merge action to revert.
Note: Once you save and close the file, destructive merges cannot be undone.
Combine layers non-destructively with a Smart Object
Select the layers you want to act as a single unit.
Right-click and choose Convert to Smart Object.
Double-click the Smart Object thumbnail to open and edit the original layers at any time; save and close the Smart Object window to update.
