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Flatten PDF Forms

Turn the filled-in fields of a PDF form into fixed page content so the answers can no longer be edited and print correctly everywhere.

Choose a filled PDF form, check the fields listed and download the flattened copy.

Drag & drop a filled-in PDF form here, or click to choose

Flattened in your browser - the file is never uploaded.

Keep a copy of the unflattened form - once flattened, the answers can only be changed with a full PDF editor.

What Does Flattening a PDF Do?

A fillable PDF form keeps its answers in fields that anyone can click and change. Flattening turns those fields into ordinary page content, so the answers look the same but can no longer be edited. It also fixes forms whose answers disappear or look different when printed or opened in another app.

How to Use It

  1. Choose a filled-in PDF form. Every field is listed with its type and current value.
  2. Check that the values are what you want to send.
  3. Click Flatten Form to download the flattened copy.

When to Flatten

  • Before emailing a completed application, invoice or agreement, so nobody can quietly change an answer.
  • After signing with Sign PDF, to fix both the signature and the answers.
  • When a portal shows empty fields in a form you filled in.

Limitations

Flattening cannot be undone, so keep the fillable original. Forms built with XFA (some older government forms made in Adobe LiveCycle) are not supported. Fields that use unusual fonts may look slightly different after flattening. A flattened form is harder to edit, not impossible: it is not a security measure like a digital signature.

Frequently Asked Questions

It turns the form's fields into ordinary page content. The answers look the same but can no longer be clicked or changed.

No. Once flattened, the fields are gone. Keep a copy of the fillable form if you may need to change an answer later.

The PDF has no fillable fields - perhaps it was already flattened or printed to PDF. Forms made with XFA are also not supported.
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