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Fill PDF Forms

When an application, contract or official form lands in your inbox, you don't have to print it, fill it by hand and scan it back. The Fill PDF Forms tool lets you complete the interactive fields in a document — text boxes, checkboxes and dropdowns — directly in your browser.

You can flatten your answers so they become permanent: the form then looks the same for everyone and can’t be changed by accident. Everything happens on your device — your PDF is never uploaded to a server.

No sign-up, no payment, no install. Haven PDF is free and runs in your browser.

Open the tool →

How to

  1. Open your PDF. Drag and drop the form PDF you want to fill.
  2. Fill the fields. Type into text boxes, tick checkboxes, choose from dropdowns.
  3. Download. Save the filled (and optionally flattened) PDF to your device.

Frequently asked questions

Is my file uploaded to a server?
No. Form filling happens entirely in your browser; your PDF never leaves your device.
Which field types can I fill?
You can fill text fields, checkboxes and dropdowns (AcroForm fields).
Can I lock the filled form?
Yes. When you download, you can flatten the values so the form is fixed and looks the same for everyone.
Is it free?
Yes, completely free. No sign-up, no payment, no install required.
How do I fill out a PDF form?
Open the form PDF, type into text fields, tick checkboxes, choose from dropdowns, and download the filled (optionally flattened) PDF — all in your browser, with no upload.

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