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Flatten PDF

Seal your document. Merge forms and layers into uneditable content.

Flatten forms
Burn in annotations
Secure for sharing
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Secure Your Document Content

Flattening permanently merges form fields, annotations, and layers into the PDF content. This makes the document uneditable and perfect for archiving or sharing.

Flatten Forms
Merge filled form fields into the document permanently.
Burn In Annotations
Make comments and highlights part of the page content.
Secure Output
Flattened PDFs cannot be easily edited, protecting your content.

Frequently Asked Questions

Common questions about flattening PDFs

What does flattening do?
It merges interactive elements (forms, annotations) into the static page content.
Can I undo flattening?
No, flattening is permanent. Keep a backup of your original file.
Is it free?
Yes, our PDF flattener is completely free.

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