I Hack PDF
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Flatten PDF

Make filled form fields a permanent part of each page.

Read the guide ↓

What this tool does

Turn existing PDF form field appearances into static page content. Use this when a completed form should be shared as a non-interactive copy rather than left open for further field editing.

What you can open
One PDF containing supported interactive AcroForm fields.
What you will download
One PDF with form field appearances made static.

How to use it

  1. Fill and review the form before flattening it.
  2. Run Flatten PDF on the completed document.
  3. Open the output and verify both the visible values and the absence of editable fields.

Know the tradeoffs

  • Flattening is permanent in the new output; keep an editable original.
  • This tool does not flatten every possible annotation type or certify a digital signature.

Questions about this tool

Can I keep an editable copy too?

Yes. Your original file is unchanged; save it separately.

Does flattening remove every comment and link?

No. Use Remove annotations for a different, broader annotation-removal operation.