Local-first • No server upload
PDF

Flatten PDF

Flatten supported PDF form fields into a fixed local copy. — 100% browser-side, no server upload, works offline.

PDF utility

Flatten a PDF

Local processing

Turn supported interactive form fields into fixed page content before sharing a copy.

Drop PDF files here

or choose files from your device

This creates an irreversible output copy. The original file stays unchanged. Flattening covers fields exposed through the browser PDF library; unsupported annotation types may remain unchanged.

Files stay in this browser. Originals are never changed or uploaded.

Common questions

Does flattening upload my PDF?

No. The output is generated locally in this browser.

Can I undo flattening?

The downloaded copy cannot be unflattened. Keep the original if you may need editable fields later.

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