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Fill a PDF Form

Type into a PDF form right in your browser. FernPDF finds the fillable fields, you fill them in, and download the completed form, nothing uploaded.

Drop a PDF form
We'll detect the fillable fields
No upload · processed locally · auto-deleted
A · Keep going

Related tools

Flatten PDFSign PDFEdit PDFMerge PDF
B · How it works

How to fill a PDF form without uploading it

Drop a PDF with interactive fields and FernPDF lists every text box, checkbox and dropdown for you to fill. Complete the form and download it, optionally flattened so the answers are locked in.

Because filling happens in your browser, applications, tax forms and contracts with personal details are completed without ever being uploaded.

C · FAQ

Any PDF with interactive AcroForm fields, text boxes, checkboxes, dropdowns and radio buttons. FernPDF detects them and gives you an input for each one.

Then there's nothing to type into. For a flat PDF (a scan or a form without interactive fields), use Edit PDF to add text boxes anywhere on the page instead.

Yes. Turn on Flatten so the filled values become permanent page content that can't be changed after you download.