You can clear data from PDF form fields by using a reset action. Use a reset button or the built-in Reset tool.
Reset form data
- Open the form in Nitro PDF Pro
- On the Forms tab, in the Form Data group, click Reset

Create a reset button
- Open the PDF in Nitro PDF Pro
- On the Forms tab, click Button

- Drag the pointer on the page to create the button
- Open the field properties:
- Double-click the button
- Set the field name and properties:
- Name the field resetForm
- Configure General and Appearance settings

Configure button label
- Right-click the field and select Properties
- Open the Options tab
- In Layout, select Label only
- In the Label field, enter Reset Form

Assign the reset action
- Open the Actions tab

- In Select Action, select Reset a form
- Click Add Action to List
- Select the fields to reset:
- Click Deselect All, then select specific fields
- Or click Select All, then remove specific fields
- Click Close