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FreeToolsNets

Create Fillable PDF Form

Add fillable form fields to a PDF on FreeToolsNets — positioned via a simple JSON field spec.

Click to upload or drag and drop a PDF here

Create Fillable PDF Form is a free, browser-based tool for turning a static PDF into a fillable form. Define each field's page, position and type as JSON, and the tool adds real, functional AcroForm fields.

How to use the Create Fillable PDF Form

  1. Upload the PDF you want to turn into a form.
  2. Define each field in the JSON spec: name, page number, x/y position (% from top-left) and width/height (% of page).
  3. Choose type "text" or "checkbox" for each field.
  4. Download the PDF with working fillable fields, openable in any PDF form viewer.

Why use FreeToolsNets's Create Fillable PDF Form?

  • 100% free, with no usage limits and no account required.
  • Everything runs locally in your browser — nothing you type is uploaded or stored on a server.
  • Works on desktop, tablet and mobile in any modern browser.
  • No installation, no plugins, and no ads blocking the tool itself.

Frequently asked questions

Can I place fields visually instead of by coordinates?

Not in this version — open your PDF alongside this tool to estimate percentage positions, or fine-tune by trial and error.

What field types are supported?

Text fields (including multiline) and checkboxes; dropdowns and radio groups aren't supported by this tool yet.

Is this tool free to use?

Yes, completely free on FreeToolsNets, with no sign-up and no limits.

Is my data sent to a server?

No. Everything runs locally in your browser using JavaScript — nothing you enter is uploaded anywhere.

Does it work on mobile?

Yes, the widget is fully responsive and works on phones, tablets and desktops.