How to use
- Complete the AcroForm fields first.
- Choose the document and flatten it.
- Review the exported appearance.
Privacy and data handling
Input and output are processed by the current browser tab. The site has no content upload API and does not write your content to an account or cloud storage.
Formats and limitations
Only AcroForms recognized by pdf-lib are supported. XFA, dynamic forms, and some special fields may fail. Flattened fields are no longer editable.
Frequently asked questions
Is flattening a digital signature?
No. It only fixes field appearances onto the page and provides no signature verification.