Flatten a PDF online
Filled in a form or finished your comments, and don’t want them changed after you send the file? Flattening turns form fields and annotations into fixed page content that can no longer be edited.
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- Files are not uploaded
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How to Flatten PDF
- 1
Open your PDF
- 2
Flatten the form fields and annotations
- 3
Save the flattened PDF
Highlights
Form fields become fixed
What was filled in stays on the page, but the fields can no longer be typed in or changed.
Annotations become fixed
Highlights, drawings, stamps and other annotations become part of the page and can no longer be moved or deleted.
Text stays selectable
Pages are not turned into images, so text can still be selected and copied.
FAQ
Can a flattened PDF be made fillable again?
No. After flattening, form fields and annotations are ordinary page content. Keep a copy of the file from before flattening if you may need to change it later.
When should I flatten a PDF?
For example before sending a completed form or a reviewed document whose content should not be changed any more.