Flatten a PDF
After filling in a form, flatten it so nobody can change the data and it looks the same in every app.
Your files are processed directly in your browser. They are never uploaded to a server.
How to flatten a PDF
- 1
Add your PDF.
- 2
Choose to flatten forms only or everything as an image.
- 3
Press “Flatten PDF” and download it.
About this tool
“Forms” turns fields into fixed text and leaves the rest of the PDF intact.
“Everything (as image)” draws each page exactly as it looks, annotations and signatures included, into an image. It's the safest option against edits, but text is no longer selectable.
The PDF is processed in your browser and never uploaded.
Frequently asked questions
Why flatten a PDF?
So a filled form, a signature or comments can't be changed and always print the same.
Can it be undone?
Not on the flattened file. Keep a copy of the original if you'll need to edit it.