PDF tool guide
How to use Flatten PDF forms online
Turn filled PDF form fields into a static copy.
Step-by-step
Use Flatten PDF forms in three quick steps
- Upload an unsigned PDF with completed form fields.
- Review the static-copy warning, then create the flattened result.
- Open the download and confirm all filled values remain visible.
What to check in the result
Keep your editable original. Signature fields are rejected; changes can invalidate document signatures.
Keep the original and inspect the downloaded copy before sharing it or replacing your source file.
Before you begin
Keep your original file as a backup and only process content you are authorised to modify. If you are signed in, open My account to review completed tool usage and any active membership dates.