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Flatten PDF
Lock form fields into the page so entries can never be changed.
Drop files here, or click to browse
PDF files · up to 100 MB
Processed locally in your browser — files never leave your device.
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Lock form fields into the page so entries can never be changed. Your documents stay yours: processing is automatic, audited, and short-lived.
How to use Flatten PDF
- 1Drop your file onto the upload area, or click to browse.
- 2Adjust the options if you need to.
- 3Click “Flatten PDF”.
- 4Download the result — done in seconds.
Frequently asked questions
Is it safe to use Flatten PDF online?
Yes — Flatten PDF runs entirely in your browser. Your file is never uploaded to a server, which makes it one of the most private ways to work with PDFs online.
Is Flatten PDF free?
Yes — every BreezyPDF tool is free to use with daily download credits (3 as a guest, 5 with a free account). BreezyPDF Pro removes all limits and ads.
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