Flatten PDF
Lock form fields and annotations into the page.
Encrypted transfer
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How to use Flatten PDF
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1
Upload your PDF
Drop your file on the page or choose it from your device. It’s sent over an encrypted connection.
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2
Check the preview
Form fields, comments and stamps are merged into the page.
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3
Download your PDF
Click Download and your file is ready in seconds. No account or software needed.
Frequently asked questions
Files are uploaded over an encrypted connection and deleted automatically after 1 hour. We never share or look at your documents.
Form fields and annotations become part of the page, so they can no longer be changed in a PDF reader. Keep your original if you might need to edit it again.
No. You can upload, edit and preview without signing up. We only ask for an email when you download so we can send your receipt.
Up to 10 MB on the free plan and 100 MB with Pro.
Yes. Flatten PDF runs in your browser, so it works on any device with nothing to install.
Related tools
Flatten PDF
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