PDFBook Flatten PDF merges interactive form fields into the page content so the PDF looks identical in every reader and can no longer be edited through the form. It runs entirely in your browser, with no upload.
Flattening happens locally in your browser. Your document never reaches PDFBook's servers, so it stays private on your device.
Key Facts
- Locks filled form fields into static content
- Consistent appearance across all PDF readers
- Processes locally with no upload
Frequently Asked Questions
How do I flatten a PDF?
Open PDFBook's Flatten PDF tool, drop your PDF, and click Process. PDFBook flattens the form fields into the page and gives you a copy to download. Everything happens in your browser.
What does flattening a PDF do?
Flattening converts interactive form fields and their values into fixed page content. The result looks the same everywhere and can no longer be changed through the form, which is ideal before sharing or printing.
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