Minitooler

Fill in a PDF form and sign it online

Open any PDF form, fill in the fields, add text wherever you need it, draw your signature and download the finished document — flattened so it can't be edited. Runs 100% in your browser, so contracts and personal details never leave your device.

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What people use it for

  • Fill in and sign a rental agreement or lease without printing it.
  • Complete a tax, visa or government form and email it back the same day.
  • Sign a freelance contract or NDA from your phone.
  • Fill in school permission slips and medical intake forms.
  • Add your details to a scanned paper form nobody bothered to make fillable.
  • Lock a completed form so the answers can't be changed after sending.

This free PDF form filler lets you fill out a PDF online and sign a PDF without installing Adobe Acrobat or paying for a subscription. Drop in any PDF, type into its fields, add text anywhere on the page, draw your signature, and download the finished document.

It works with proper interactive forms — text boxes, checkboxes, radio buttons and dropdowns are detected automatically — and with plain or scanned PDFs that have no fields at all. For those, simply place text and a signature wherever the printed lines are, the same way you would with a pen.

Because contracts, tax returns and ID paperwork are private, nothing is uploaded. Every step runs locally in your browser, so a PDF signer online that never sees your document is strictly safer than upload-based alternatives. When you're done, choose to flatten the PDF so the answers are permanent and can't be edited by whoever receives it.

How it works

  1. 1

    Open the PDF

    Drag in a form. Any fillable fields are detected and listed on the right.

  2. 2

    Fill it in

    Type into the fields, or place free text anywhere on the page for scanned forms.

  3. 3

    Sign it

    Draw your signature with a mouse, finger or stylus and click where it should sit.

  4. 4

    Download

    Save the filled PDF, flattened so the answers are locked in.

Frequently asked questions

Is my PDF uploaded anywhere?
No. The form is opened, filled and saved entirely inside your browser. The file never leaves your device — which matters for contracts, tax forms and ID documents.
What if the PDF has no fillable fields?
You can still use it. Place text anywhere on the page and add a drawn signature — exactly like writing on a printed form.
Is the signature legally valid?
A drawn signature on a PDF is widely accepted for everyday agreements, school and rental forms. For regulated e-signatures you may need a certificate-based provider.
What does "flatten" do?
Flattening bakes your answers into the page so nobody can click in and change them. Turn it off if you want the form to stay editable.
Can I fill a form on my phone or tablet?
Yes — and drawing your signature with a finger or stylus works well on touch screens.
Can it fill a scanned paper form?
Yes. Scanned forms have no fields, so use the text and signature tools to place your answers where the lines are.
Can I open a password-protected PDF?
Remove the password first with the PDF password remover, then fill the form here.
How many forms can I fill per day?
Guests get 3 free runs a day across all tools, and a free account raises that to 5 in total. Pro users ($5/month) get unlimited use and larger files.