Flatten PDF
Make a filled-in form or a marked-up PDF final: what you see is fixed into the page.
Runs in your browser · No uploads
Drag & drop a PDF here
or
One PDF file
Your files stay on your device. Nothing is uploaded.
Your files are ready
Files are processed locally on your device. No upload required.
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- Nothing leaves your device
- No server-imposed size limits
- No sign-up, no watermark
- Free
How to flatten a PDF
- Choose your PDF.
- Choose what to flatten: form fields, comments and stamps, or both.
- Press Flatten PDF and download.
Why flatten
- Filled-in forms look the same in every app and can't be changed by accident.
- Comments, highlights, stamps and signatures drawn as comments print reliably everywhere.
- Some offices and portals only accept flattened PDFs.
Good to know
- Links stay clickable unless you untick it.
- Comments without a saved appearance can't be drawn, so they are kept and listed.
- Flattening is not redaction: to remove information, use Redact PDF.
Your PDF stays on your device
Everything happens in your browser. Your PDF is never uploaded, and this site's security policy blocks the page from sending files anywhere.
Frequently asked questions
Is my PDF uploaded?
No. It is processed in your browser and never sent anywhere.
Guides for this tool
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How to Sign a PDF Without Printing It
Add your signature and the date to a PDF by drawing, typing or using a picture of your signature, then send it back in minutes, no printer…
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