N-400 template
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Fillable N-400 Application for Naturalization – Download & Complete Online
- Language English
- Country USA
- Activity Immigration
- Department USCIS
The N-400, Application for Naturalization is the official United States Citizenship and Immigration Services (USCIS) form used by permanent residents to apply for U.S. citizenship. With Formize you can download the exact PDF used by USCIS and fill it out instantly in your browser—no extra software required.
What Is the N-400 Form?
The N-400 collects personal information, residency history, employment details, and questions about your moral character. It also includes sections for the English and civics tests, exemptions, and any supporting documentation you must attach.
How to Fill Out the N-400 with Formize
Our simple, step‑by‑step process lets you complete the form in minutes:
- Click the "Fill out this form" button below.
- Wait a few seconds while the Formize PDF Filler app loads the official N-400 PDF.
- Enter your answers directly into the fillable fields. The interface saves your progress automatically.
- When you’re done, download the completed PDF or submit it electronically according to USCIS instructions.
Common Mistakes to Avoid When Completing N-400
- Using the wrong edition: Ensure the PDF shows the edition date 01/20/25 (the current version).
- Leaving required fields blank: Every field marked with an asterisk (*) must be completed, even if the answer is "None" or "N/A".
- Incorrect dates or formats: Use mm/dd/yy for all dates as USCIS requires.
- Submitting original documents: Only attach copies unless USCIS specifically asks for originals.
- Missing signatures: The form is invalid without the applicant’s signature and the date.
Where to Submit Your Completed N-400
After filling out the form, you can either file it online through your USCIS account or print the PDF and mail it to the appropriate USCIS lockbox address. The filing fee and any required supporting documents must accompany the form.
Need more guidance? Review the official USCIS N-400 PDF and the accompanying instructions for detailed eligibility criteria.
Is the N-400 form available as a fillable PDF?
Yes. The official USCIS N-400 is a fillable PDF that you can complete online with Formize’s free PDF filler.
Can I submit the N-400 online instead of mailing it?
You can file the N-400 online through a USCIS account. If you prefer a paper filing, print the completed PDF and mail it to the USCIS lockbox address.
Do I need a PDF editor to fill out the N-400?
No. Formize’s web‑based filler lets you complete the form directly in your browser without any additional software.
What edition of the N-400 should I use?
Use the edition dated 01/20/25, which is the current version available from USCIS.
How long does it take to complete the N-400?
Most applicants finish the form in 30‑45 minutes if they have all required information and documents ready.
Can I save my progress and return later?
Yes. Formize automatically saves your entries, and you can download a draft PDF to continue later.
What fee is required to file the N-400?
As of the latest fee schedule, the filing fee is $725 (including the biometric fee). Check the USCIS website for any updates.
Do I need to attach supporting documents to the PDF?
Attach copies of required documents (e.g., Green Card, marriage certificate) when you mail the form. For online filing, you’ll upload them through your USCIS account.
How to fill out N-400 for free, online in 4 easy steps:
- 1Click the Fill‑out ButtonPress the "Fill out this form" button on the page to launch the Formize PDF Filler.
- 2Wait for the Filler to LoadThe app loads the official N-400 PDF in a few seconds; no download or installation is needed.
- 3Enter Your InformationType directly into each fillable field. The tool autosaves so you won’t lose any data.
- 4Save or Print the Completed FormWhen finished, download the filled PDF to your computer or print it for mailing to USCIS.
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