Flatten PDF
Merge annotations, form fields and layers into the page content.
Runs in your browser
Instant processing
No sign-up
How to use Flatten PDF
1
Add the PDF.
2
Pick what should be flattened.
3
Apply. The output looks identical but is no longer editable.
Privacy
Nothing leaves this device
This page loads a local PDF engine and performs the whole job inside your browser tab. There is no upload step, no temporary server copy and no log of your document. Close the tab and every trace is gone.
No uploads
No tracking
Works offline
FAQ
Flatten PDF questions
Is flatten pdf free?
Yes: Flatten PDF is completely free, with no account, no watermark and no file limit.
Are my files uploaded?
No. Flatten PDF runs entirely in your browser using the local PDF engines. Your document is never transmitted to a server, which is why it also keeps working offline.
Does it work on phone and desktop?
Yes. Any modern browser on Windows, macOS, Linux, Android or iOS can run the tool, the interface adapts to the screen size.
Next steps
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