Flatten PDF Forms
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Compress PDF
Reduce PDF file size with a quality you choose.
How to use Flatten PDF
- Choose a PDF file.
- Check the detected form fields.
- Select Flatten PDF.
- Download the flattened copy.
What to expect
Form fields are converted into static page content.
- XFA forms and signature fields are not supported.
- Flattening does not make a PDF impossible to edit.
Frequently asked questions
How do I flatten PDF form fields?
Choose a PDF with fillable fields and select Flatten. Field values become regular page content and the fields are no longer editable.
Can I undo flattening?
Not in the flattened file, but your original PDF is unchanged.
Do I need to create an account?
No. Every tool works without sign-up or login.
Is it safe for confidential documents?
Files are processed locally in your browser and never uploaded. Close the tab or select Clear to release them from memory.