Flatten PDF
Merge form fields and annotations into the page
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Accepted: .pdf · Files stay in your browser
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Free · No signup · No watermarks · Files never leave your browser
How to use Flatten PDF
- Upload your file using the drop zone above.
- Adjust any options for the flatten pdf task.
- Click Process and download your result instantly.
Why use PDFzelo Flatten PDF?
Merge form fields and annotations into the page. PDFzelo processes everything locally in your browser — no uploads, no waiting rooms, no accounts. It works on Windows, Mac, Linux, Chromebook, Android and iPhone.
Frequently asked questions
Why flatten?
Prevents further editing of forms and locks annotations in place.