Flatten PDF Layers

Merge all form fields, annotations, and layers into a single document object to prevent further editing.

Frequently Asked Questions

Flattening merges all interactive elements (form fields, annotations, signatures) into the static page content, making them permanent and non-editable.
Flattening prevents others from editing form fields or removing annotations. It's useful before submitting official documents or archiving completed forms.
No. Once flattened, the interactive elements are permanently merged into the page. Always keep a backup of the original before flattening.
No. The document looks identical. The difference is that form fields and annotations are now static content rather than interactive elements.
Yes. Flattening happens entirely in your browser with no server uploads.