Flatten PDF
Flatten a PDF so its form fields and annotations become part of the page and can no longer be edited.
Runs in your browser — your file never leaves your deviceDrag & drop files here
or click to browse
Processed entirely in your browser. Your files are never uploaded.
Frequently asked questions
Is Flatten PDF free to use?
Yes — Flatten PDF is completely free with no limits, no watermarks and no sign-up. It runs in your browser, so there is nothing to pay for.
Are my files uploaded or stored anywhere?
No. This tool does all its work locally in your browser using your own device's power. Your files never leave your device and we never see them.
Do I need to install anything or create an account?
No installation and no account needed. Flatten PDF works on any modern browser — Windows, Mac, Linux, Android and iPhone.
How do I use Flatten PDF?
Open the tool, add your file (or paste your content), adjust any options, then press “Flatten PDF”. Your result is ready to download in seconds.
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