Flatten PDF
Lock forms and annotations so they can't be edited.
Drop your PDFs here
PDF files only
You can also paste with CtrlV
How it works
- 1
Upload the PDF with filled forms, comments or signatures.
- 2
Check the preview: this is how each page will look once fixed.
- 3
Download the flattened PDF, with no editable fields or loose annotations.
Frequently asked questions
Why flatten a PDF?
To hand over a form or contract that nobody can change and that looks the same in every viewer and printer, with no fields that vanish.
Is the text still selectable?
Yes. Flattening merges fields and annotations into the page content, but it doesn't turn the document into an image.
Are my files uploaded to a server?
No. Flatten PDF runs entirely in your browser: the document is processed on your own device and is never sent over the internet.
Is it free? Are there any limits?
Yes: free, no sign-up, and no watermark on the result. There's no fixed limit on files or pages; the only limit is your device's memory, on desktop, tablet or phone.
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