Flatten PDF Online

What does flatten PDF mean?

Flattening converts interactive elements (forms, annotations) into static PDF content that cannot be edited.

Why should I flatten a PDF?

Flattening prevents changes, reduces file size, and ensures consistent display across all viewers.

Will flattening affect PDF quality?

No, visual quality is preserved. Only interactivity is removed.

Can I flatten form fields only?

Yes, you can choose to flatten forms while keeping other layers.

Is the PDF flattener free?

Yes, PDFMody's PDF flattener is completely free.

Can I undo flattening?

No, flattening is permanent. Keep your original file as backup.

What elements get flattened?

Form fields, annotations, stamps, signatures, and other interactive elements.

When should I flatten PDFs?

Before printing, archiving, or sharing to ensure consistent appearance.

What's the maximum file size?

You can flatten PDFs up to 100MB.

Can I flatten on mobile?

Yes! PDFMody works on all devices including mobile.