Managing image history

When you’re working in Pixelmator and you make a change you don’t like or didn’t mean to make, it can usually be undone.
You can choose Undo and Redo multiple times.

To undo the previous action:

Choose Edit ‣ Undo or press Command ⌘+Z

To Redo an action that you have undone:

Choose Edit ‣ Redo or press Command ⌘+Shift ⇧+Z

The Revert command is dimmed if you haven't made any changes to the document.

Reverting to the last saved version of a document:

After making changes to a document, if you decide that you want to start over, you can revert to the last saved version of the document.

To revert to the last saved version of a document:

Choose File ‣ Revert to Saved