Flatten PDF Online Free

Flatten form fields and annotations into the document. No sign-up required.

Select PDF
or drop your file here
Your file never leaves your device

Everything you need to flatten PDFs

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Flatten Forms

Convert interactive form fields into static, non-editable content.

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Lock Content

Prevent form data from being changed after flattening.

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Preserve Layout

All text, images, and formatting stay exactly as they appear.

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100% Private

Your PDF is processed in your browser. Nothing is uploaded to any server.

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Works Everywhere

Windows, Mac, Linux, Chromebook — any device with a browser.

No Sign-Up

Start flattening immediately. No account, no email required.

How it works — 3 steps

1

Open your PDF

Select a PDF with form fields or drag it into the editor.

2

Flatten the document

Click the Flatten PDF option in the download menu.

3

Download flattened PDF

Your form fields are now baked into the document permanently.

Ready to flatten your PDF?

Flatten PDF Now

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