Are you ready to become a U.S. citizen? The Form N-400 – Application for Naturalization – is the official paperwork you need to file with USCIS. Instead of printing, scanning, or editing a static PDF, use our Fill out this form button to launch the Formize PDF Filler app. The fillable version is fully searchable, saves your data automatically, and guides you through every section.
The fillable version mirrors the exact layout of the USCIS N-400, but adds:
Follow the simple steps below – no PDF editor needed.
Even a small typo can delay your citizenship process. Here are the top pitfalls and how to avoid them:
If you need clarification, consult the USCIS N-400 Instructions. After completing the form, you can either upload the PDF through your USCIS online account or mail it to the address listed in the instructions.
Ready to start? Click the button below and let Formize do the heavy lifting.
The N-400 is the official Application for Naturalization, which U.S. lawful permanent residents file to become U.S. citizens.
Yes. The Formize PDF Filler works on desktop and mobile browsers, allowing you to fill out the form on any device.
You can either print the completed PDF for a mailed submission or upload the digital file directly through your USCIS online account.
Yes, as of 2024 the filing fee is $730, which includes the biometrics fee. Check the USCIS website for the latest amount.
Processing times vary by field office, but most applicants receive a decision within 8‑12 months after filing the N-400.
Typical attachments include a copy of your green card, passport‑style photos, proof of residency, tax returns, and any required translations.
The Formize app automatically saves your inputs locally. You can close the browser and return later to continue where you left off.
You can reopen the saved PDF in Formize, correct the error, and re‑download the updated version before submission.
While many applicants complete the form on their own, you may consult an immigration attorney if you have complex issues, such as criminal history or prior immigration violations.
Submit electronically via your USCIS online account, or mail the printed PDF to the address listed in the USCIS N-400 instructions for your jurisdiction.
Mit den traditionellen Funktionen zum Anzeigen und Ausfüllen eines PDF-Dokuments, kombiniert mit den Vorteilen einer Webanwendung und einem ansprechenden Layout, können Sie N-400 citizenship form in wenigen Minuten fertigstellen.
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