Flattening converts interactive form fields (text boxes, checkboxes, dropdowns) and annotations into static content that cannot be edited.

Yes! The current values in all form fields are preserved visually. They simply become part of the static page content.

No, flattening is permanent. We recommend keeping a copy of the original PDF before flattening.

Flattening is useful for finalizing forms, preventing editing, reducing file size, and ensuring consistent appearance across different PDF viewers.

No. All flattening happens in your browser using WebAssembly. Your PDF never leaves your device, making it safe for sensitive documents.

It can. Removing interactive form elements and simplifying the PDF structure often results in a smaller file size.

Yes. The tool runs entirely in your browser on any device — desktop, tablet, or smartphone. No app installation required.

Yes. The visual appearance is preserved exactly. Form fields show their filled-in values, and annotations remain visible — they just become non-editable.