Flatten PDF Form

Turn filled PDF form values into fixed page content so recipients cannot edit the fields. This local-only v1 flattens all fields; selected-field flattening is not available yet.

Options

Flatten all fillable form fields.

Keep visible field appearances in the output.

Selected-field flattening is documented as not available in this local-only v1.

How to flatten a PDF form

  1. Upload PDF — Upload one PDF form and unlock it locally if needed.
  2. Review fields — Review whether fillable fields were detected.
  3. Flatten form — Flatten all form fields while keeping the visible field appearance.
  4. Download — Download the validated non-editable PDF copy.

FAQ

Are my PDFs uploaded?
No. Inspection, flattening, and export run in your browser.
Can I flatten only selected fields?
Not in this local-only v1. The tool flattens every detected form field together.
Will fields still be editable?
No. The exported PDF no longer has editable form fields when the form appearances can be flattened.