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About Flatten PDF
Flatten PDF turns fillable form fields into normal page content. The answers you typed stay visible, but nobody can change them or the form any more.
Tips for best results
- Fill and check every field before you flatten.
- Keep an unflattened copy in case you need to edit later.
- Flattening makes the form look the same on every device.
How to use Flatten PDF
- 1
Add your filled form
Choose the PDF.
- 2
Flatten
Press Flatten PDF.
- 3
Download
Save the fixed copy.
Frequently asked questions
What does flatten do?
It merges form fields into the page so they become part of the content.
Does it flatten comments and highlights?
This tool flattens form fields only.
Is my file uploaded?
No. Your file is opened inside your browser, so it stays on your own phone or computer and is not sent to our servers.