Are my files uploaded?

No. The form filler runs entirely in your browser. Your PDF never leaves your device.

What forms are supported?

Standard AcroForm fields are supported: text, checkboxes, dropdowns, and radio groups. XFA (XML Forms Architecture) forms are not supported.

My PDF has no fields?

If the tool reports no fillable fields, your PDF may use XFA or have no form dictionary. Use a PDF with standard AcroForm fields or create one with the Form Creator tool.

Yes. All processing is client-side.

PDF Form Filler Lightweight

Use SagePDF to pdf form filler lightweight. Fill PDF forms directly in the browser. Use SagePDF in your browser—no uploads, no signup, your files stay on your device.

How to use

Upload PDF

Select a PDF that contains fillable form fields (AcroForm). The tool will read the field names and types. Processing is done locally.

Fill fields

Enter or select values for each field in the form panel. Text fields, checkboxes, dropdowns, and radio groups are supported.

Download

Click “Save & Download Filled Form” to write your answers into the PDF and download the filled document.

Frequently asked questions

Sign PDF
Add digital signatures to PDFs.
PDF Editor
Annotate, highlight and edit PDF documents.
Create PDF Form
Create fillable PDF forms.