Flatten PDF — Free
Flatten forms and annotations into static content. Free to run. No card. Email only if you want to download. Add email later for larger uploads or e-signature.
Drop your file here
or click to browse · .pdf · Max 25 MB per file
How to Flatten PDF
Upload your PDF
Select what to flatten (forms, annotations, JS)
Click 'Flatten'
Download the flattened PDF
Common questions
Frequently Asked Questions
What does flattening a PDF do?
Flattening converts interactive elements (form fields, annotations) into static, non-editable content — like printing to paper.
Can I flatten only form fields?
Yes. Choose to flatten forms only, annotations only, or both. JavaScript removal is also available.
Will flattened form data still be visible?
Yes. All filled-in data becomes static text on the page — visible but no longer editable.
Why flatten a PDF before sharing?
Flattening prevents recipients from changing form data, ensures consistent rendering, and removes potential security risks from interactive elements.
Does flattening reduce file size?
It can slightly reduce file size by removing form field definitions and JavaScript. For significant size reduction, use the compress tool.
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