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Flatten PDF online
Turn fillable fields into normal page content, or flatten everything into images so nothing can be edited.
Files are processed in your browser and never uploaded.
How to use Flatten PDF
Open the PDF.
Choose form fields only or everything.
Download the flattened PDF.
Questions about Flatten PDF
Quick answers about privacy, limits and results. Need more help? Contact us.
What is the difference between the two modes?
Form fields keeps text selectable and the file small. Everything turns each page into an image, fixing comments and drawings too.
Can someone edit the answers after flattening?
Flattened form answers are part of the page and can no longer be changed in form fields.
Are my files uploaded to your server?
No. This tool runs entirely in your browser, so your files never leave your device.
Is it free?
Yes. Every browser tool is free to use without sign-up or watermarks.