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PDF Form Builder

Place real, fillable form fields onto a PDF — free. These are genuine AcroForm fields, fillable in Acrobat, Preview, and browser PDF viewers, not a stamped-on look-alike.

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Click to upload or drag and drop a PDF here

Nothing is uploaded until you click "Save & Download" — pages render right in your browser.

How to build a fillable PDF form

  1. Upload your PDF — it renders instantly in your browser.
  2. Pick a field type. Text fields: drag to size. Checkboxes/radio buttons/dropdowns: click to place.
  3. Click "Save & Download" — your form is built with real AcroForm fields.

Frequently asked questions

Are these real fillable fields, or just stamped boxes?

Real — built with TCPDF's native form-field methods, the same mechanism professional PDF form tools use. They're genuinely fillable in Acrobat, Preview, and most browser PDF viewers.

How do radio button groups work?

Give every button in the same group the same group name and a different option value — only one per group can be selected at a time when someone fills out the form.