Flatten a PDF form
Lock a filled-in form so every answer becomes part of the page. Your PDF never leaves your browser.
How it works
Upload a filled-in PDF
Any fillable PDF up to 25 MB, with the answers already typed in.
Answers are drawn onto the page
Each field's current value is pressed into the document, then the field is removed.
Download a locked PDF
It looks the same in every PDF reader, and nobody can change the answers.
Questions
Need the answers, not just the PDF?
WebifyPDF turns your PDF into a web form people can fill out on their phone, then writes every answer back onto your original PDF.