Flatten PDF
Render each page to a flat image — removes layers, forms & annotations.
PDF on-device
Drop a file here
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Private by design. Flatten PDF processes your PDF locally in this tab. Nothing is sent anywhere.
Related Optimize tools
Compress PDF
Shrink file size by re-rendering pages at a lower resolution.
PDF on-device
Remove Metadata
Strip title, author, producer and other hidden document info.
PDF on-device
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.