Flatten PDF Online — Flatten Forms or Complete PDF
Flatten PDF form fields or complete page content online with a self-hosted processor.
Accepted formats: PDF
Files are sent only to your self-hosted PDF processor and removed from temporary application storage after processing.
About this tool
Choose forms-only mode to make form values non-interactive, or disable it to flatten the full document representation.
How to use
- Choose the PDF.
- Choose forms-only or full flattening.
- Process and test the output.
Features
- Forms-only option.
- Full flatten option.
- Self-hosted processing.
Common use cases
- Finalize filled forms.
- Reduce interactive elements.
- Prepare fixed copies.
Common issues and tips
- Flattening can remove editability and interactivity.
- Keep the original for future changes.
Privacy
The PDF is sent to the self-hosted processor and not stored permanently.
Frequently asked questions
What does forms-only do?
It flattens form fields while limiting broader conversion.
Can flattening be undone?
Not reliably; keep the original.
Will links remain?
Behavior depends on the flatten mode; verify output.