Forms · USCIS

Fill out Form N-400 online, without uploading it

Application for Naturalization. Applies for U.S. citizenship.

Open Form N-400 in PDFPane Free · opens in your browser · nothing is uploaded

About Form N-400

• Who fills it in: Lawful permanent residents who meet the requirements.
• Where it goes: USCIS — online or by mail; see the instructions.
• If you send it on paper, how it must be signed is set by the instructions — some forms need a signature in ink, so print the filled form and sign it by hand.

How to fill it in with PDFPane

1. Click Open Form N-400 in PDFPane. The official blank opens with every fillable box highlighted.
2. Click the first box and press Tab to go through them in order. Tick boxes with a click.
3. Need a signature? Pick Sign, then draw it, type it or use a photo, and place it on the line. Date adds today's date.
4. Click Download. You get a new PDF with everything filled in. Free: 3 downloads a month with a Google sign-in.

This is the official PDF published by the USCIS, see its page for the current edition and instructions. PDFPane is not affiliated with the USCIS and does not give tax or legal advice.