Upload a PDF with form fields. Fill them directly in the viewer below, then click the button to save and download the filled form. Also supports XFA forms.
Note on XFA Forms: XFA (XML Forms Architecture) is a legacy format that's only supported by certain PDF viewers like SwiftPDFLab and Firefox. If you open an XFA PDF in other software and see blank pages or no form fields, it means that viewer doesn't support XFA.
Click to select a file or drag and drop
PDF file with form fields
Your files never leave your device.
Processing...
Drag and drop or click to select your PDF form.
Type directly into the form fields using the built-in viewer.
Save and download your completed PDF form.
All processing happens in your browser. Files never leave your device.
Supports both standard AcroForms and legacy XFA form formats.
Start immediately. No sign-up, no email required.
No trials, no premium tiers. Every feature is completely free.
Yes, completely free with no limits or watermarks.
Yes, our form filler supports both standard AcroForms and legacy XFA (XML Forms Architecture) forms. XFA forms are a legacy format that many PDF viewers don't support, but SwiftPDFLab handles them perfectly.
No, all processing happens locally in your browser. Your files and form data never leave your device, ensuring complete privacy for sensitive documents like tax forms or applications.
Yes, after filling your form you can download it with all your entries saved. The downloaded PDF will contain all your completed form data.