The add-stamp tool offers six fixed stamp positions: top-left, top-center, top-right, bottom-left, bottom-center, and bottom-right.
Select the desired corner from the position dropdown before uploading the PDF.
Adobe's official stamp guide explains that once a stamp is placed, it can be moved by dragging it to a new location or resized by dragging a corner handle. Add and modify stamps in Acrobat | Adobe Acrobat
Add StampPDF Stamp Position Corner
The add-stamp tool defaults the position selector to bottom-right before the user changes it.
Open the position dropdown to view all available placement choices.
Choose top-left, top-center, or top-right to place the stamp along the upper edge of the page.
Choose bottom-left, bottom-center, or bottom-right to place the stamp along the lower edge of the page.
Validating Stamp Placement Inputs
The add-stamp tool rejects any position value that is not one of its six supported options before drawing the stamp.
Review the selected position in the dropdown to confirm it matches your intended corner.
Checking Corner Alignment On Downloaded Files
Download the finished PDF to inspect the stamp placement.
Compare the stamp location against the selected corner option to verify alignment.
Continue with Select multiple pages on mobile or Red box color options.
Frequently Asked Questions about PDF Stamp Position Corner Options
How do I place a stamp in the top-left corner?
Select top-left from the position dropdown before processing the document.
Where do I find the position options?
Open the position dropdown on the add-stamp form to view the six fixed choices.
How do I change the default stamp location?
Click the position selector and choose a different corner from the list.
How do I verify the stamp is in the correct corner?
Download the PDF and compare the stamp location to your selected position.