PDFLuma Flatten PDF helps you create a fixed version of your document. It is useful when a PDF contains filled form fields, comments, annotations, stamps, or visual signatures that should appear consistently for the next person who opens the file.
The tool renders each visible page into a new PDF. This can make the output easier to share, print, upload, or archive, especially when different PDF readers display comments or form fields differently.
Yes. Flattening converts the visible page appearance into a fixed output, which makes casual editing harder. For stronger access control, use Protect PDF after flattening.
It can be larger because pages are rendered as images. Use a smaller quality setting if you need a lighter file.
Yes. After downloading the flattened file, you can use Compress PDF to reduce the file size.