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on-device pdf workspace

Flatten PDF

Render each page to a flat image — removes layers, forms & annotations.

PDF on-device

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Private by design. Flatten PDF processes your PDF locally in this tab. Nothing is sent anywhere.

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About Flatten PDF

Yes. Flatten PDF is free with no account required. Because it runs on your device there are no server costs to pass on.
No. Your PDF files are read and processed inside this browser tab. They are never transmitted to a server.
After the page has loaded once, the tools keep working without a connection — there is no backend to reach.