Flatten PDF
Lock form fields and comments into the page.
How to use
- 1Choose a PDF file.
- 2Pick Form fields (keeps text) or Everything (print-style).
- 3Click Flatten PDF.
- 4Download the locked-down PDF.
Frequently asked questions
Why flatten a PDF?
So filled answers and signatures can't be changed, and the PDF prints and displays the same in every app, including phones that hide form fields.
What's the difference between the two options?
Form fields turns only the form into fixed text and keeps the file small. Everything redraws each page as one image, including comments and stamps.
Can a flattened PDF be edited later?
Not in the form fields. Keep your original if you might need to change the answers.
Is my PDF uploaded?
No. Flattening happens in your browser.
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