Flatten PDF

Drag & Drop your PDF here

🔒 Processed in your browser. Nothing is uploaded.

← All tools

About the Flatten PDF

Make a filled PDF form permanent. Flattening turns form fields into normal page content so nobody can change the answers.

How to use the Flatten PDF

  1. Upload your PDF form.
  2. Press Flatten PDF.
  3. Download the flattened file.

When to use it

Use it after filling a form so the answers cannot be changed.

Flatten PDF FAQ

Is this reversible?

No. Keep your original file if you may need to edit the fields again.

Is the Flatten PDF free?

Yes. It is free to use, with no signup and no usage limits.

Are my files or data uploaded?

No. Everything runs in your browser, so your files and details stay on your device.

More free tools

Edit PDF Properties · Unlock PDF · Redact PDF