MZSoft
How to Undo a Crop and Get Back to the Original PDF
Each page has its own undo and redo. Clear removes the marks on the current page; Clear All Page Edits resets the document. The imported PDF is never modified because edits are applied only when you export a new file.
The problem
You cropped too tight, applied it to 80 pages and only then noticed the page numbers are gone. With tools that overwrite the file, that is a disaster. You want to be able to take it back, and know the original is safe.
Your options
| Want to… | Do this |
|---|---|
| Step back one change on this page | Undo (left arrow), Redo (right arrow) |
| Remove the crop/split marks on one page | Clear |
| Reset every page | Menu → Clear All Page Edits |
| Throw away an exported file | Files tab → Delete |
Why the original is safe
PDFCrop keeps your edits as a small recipe (page, rectangle, rotation) next to the imported file. The cropped PDF only exists when you press Export, and it is saved as a new file with a name such as report-Cropped.pdf. You can export again with different settings any time.
Caveats
- Undo history is for the current session and is cleared by Apply to All Pages. Use Clear All Page Edits to reset.
- If you delete the project in the app, its recipe goes with it. Exported files in the Files tab stay until you delete them.
FAQ
Does cropping change my original file? No. Edits are saved as instructions; a new PDF is created when you export.
Is undo per page or for the whole document? Per page. Each page keeps its own history.
What happens to undo after Apply to All Pages? The history is reset, so use Clear All Page Edits to go back.
Will my edits survive closing the app? Yes. They are stored with the project, but not the undo history.