Free Flatten PDF Tool Online
Use this free tool to flatten PDF form fields into static content. Fast, private, and processed in your browser.
What is PDF Flatten?
PDF Flatten merges interactive form fields into the page so the values can no longer be edited. It is useful for finalizing filled forms before sharing or printing. Flattening is performed in your browser and the file stays on your device.
How to use this tool
- Upload a PDF that contains form fields.
- Click Flatten PDF.
- Download the flattened PDF.
Features
- Flatten interactive form fields
- Keeps the visible values in place
- Makes filled forms non-editable
- Browser-based processing (no upload)
- Download the flattened PDF
This tool runs in your browser. Your files and text are not uploaded to our servers, and we do not store your input.
Frequently asked questions
What does flattening do?+
It bakes form field values into the page so they appear the same but can no longer be changed.
What if my PDF has no form fields?+
There is nothing to flatten, so the file is saved as-is. You will see a note if no fields are found.
Are my files uploaded?+
No. Flattening happens in your browser.
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