There is no undo tool in Photoshop. The only way to fix a mistake is to erase it and start again from the beginning.
There are a few ways to undo Photoshop 2021. You can use the command “undo” on the keyboard, or you can use the “redo” command.
There are a few ways to undo Photoshop actions. One way is to use the command “undo” in the Edit menu. Another way is to use the “redo” command.
Ctrl J is a shortcut for “copy” that can be used to copy the current selection, or a portion of it, to the clipboard.