Flatten PDF Online
Bake annotations, comments and form fields into the page
Related Tools You Might Like
6 tools
Flattening turns interactive layers - form fields, comments, highlights, stamps - into ordinary page content. The result is a document that looks identical everywhere and can no longer be edited or altered by a recipient.
How to flatten a PDF
- Upload the PDF.
- Convert.
- Download the flattened copy.
When to flatten
- Before sending a filled government or HR form.
- To make review comments permanent.
- To prevent further editing of a contract.
Frequently asked questions
Is flattening reversible?
No - keep your original file if you may need the editable version.
Does the text stay searchable?
Yes, page content remains vector text where the source was text.
Are signatures flattened too?
Yes, signature appearances become part of the page.