Supported field controls
Detected text fields, checkboxes, radio groups, dropdowns, and option lists are presented with controls that match their PDF field type.
PDF Tools · Local processing
Fill PDF Form
Complete standard PDF form fields locally and optionally flatten the filled values.
AcroForm fields
Fill PDF Form
Detected fields
Choose a PDF containing standard AcroForm fields.
The practical guide
Fill interactive AcroForm fields and choose whether they remain editable.
The form filler works with standard AcroForm controls already embedded in a PDF; it cannot invent fields on a flat scanned page.
Save editable or flattened values
Keeping fields interactive allows later edits. Flattening writes their current appearances into the page so recipients cannot simply change the controls.
Know when a PDF is not a form
A scanned or visually designed form may contain no AcroForm fields. Use Edit PDF for visual text placement or Document Scanner and OCR for image-based paperwork.
Privacy by architecture
Your files and tool inputs stay in your browser.
The selected files, inputs, settings, and outputs are processed in this page and are not uploaded to any server.
Questions, answered
Frequently asked questions
Why does the tool report no fields?
The PDF may be a flat scan or use unsupported proprietary form technology rather than standard AcroForm fields.
Can I fill checkboxes and dropdowns?
Yes when those controls are standard PDF checkbox, radio, dropdown, or option-list fields.
What does flatten after filling do?
It makes the filled field appearances part of the saved page and removes their ordinary editability.
Does the tool add a legal digital signature?
No. Use Sign PDF for a visual signature; cryptographic certificate signing is not provided.