PDF Tools

Fill PDF Form

Fill in interactive PDF form fields, then download — optionally flattened.

Complete any fillable PDF form without printing it. Drop the file in and every interactive field — text boxes, checkboxes, radio buttons, and dropdown menus — becomes editable right on the page. Type your answers, tick the boxes, pick from the lists, then download the completed form.

Choose to keep the fields interactive (so you or someone else can update them later) or flatten the form on export, which bakes your answers into the page so they can't be changed. Everything happens locally — ideal for applications, tax forms, contracts, and other documents you'd rather not hand to a stranger's server.

How it works

  1. 1Select or drag in your file
  2. 2Choose your options and click “Fill PDF Form”
  3. 3Download the result — everything ran in your browser

Frequently asked questions

Which kinds of form fields are supported?

Text fields (including multi-line), checkboxes, radio-button groups, and dropdown menus. Multi-select list boxes and digital-signature fields aren't supported yet.

What does “flatten form” do?

Flattening converts your filled-in values into permanent page content and removes the interactive fields, so the answers can no longer be edited. Leave it off to keep the form editable after download.

It says no fillable fields were found — why?

The PDF has no interactive AcroForm fields (it may be a scan or a flat document). To add text anywhere on a non-fillable PDF, use the Edit PDF tool instead.

Is my form uploaded to fill it in?

No. Your file is processed entirely in your browser using JavaScript — it is never uploaded to a server, so nothing can be stored, leaked, or read by anyone else.

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