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Free Flatten PDF

Turn form fields, notes and drawings into a fixed part of the page so nobody can change them.

Choose to flatten form fields only, which keeps text selectable, or to turn every page into an image, which also locks drawings and notes. Your file stays in your browser.

How to use the Flatten PDF

  1. Add your file. It opens instantly in your browser, so large contracts stay private.
  2. Choose the options for the change you want, such as pages, position or format.
  3. Download the result. The original file is never modified, so you can always start again.

What is the Flatten PDF?

Flatten PDF turns form answers, notes and drawings into a fixed part of the page so they cannot be changed. It is useful before sending a filled form.

Signplify tools run in your browser, so there is no signup, no watermark and no limit on how often you use it.

Getting started with the Flatten PDF

Using the flatten pdf takes a minute or two. Your progress is saved in this browser, so you can come back later.

Tips for better results

Flatten form fields only if you want text to stay selectable and searchable.

Choose images if you also need to lock drawings and annotations.

Privacy and where your data goes

Documents and files you use here are processed on your own device. Signplify does not receive what you type or the files you open, which makes it suitable for sensitive information. If you clear your browser data, any saved draft is removed.

Frequently asked questions

What does flattening a PDF do?

It merges editable parts, such as form fields, into the page itself. The result looks the same but cannot be edited.

Can I undo flattening?

No. Keep a copy of the original before you flatten.

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