USCIS · United States

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Form I-539: Application to Extend/Change Nonimmigrant Status

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Quick answer

USCIS Form I-539, Application to Extend/Change Nonimmigrant Status, is how certain visitors and visa holders already in the United States ask to stay longer or switch to a different nonimmigrant category. Typical uses include extending a B-1/B-2 visitor stay, extending or changing status for dependents such as H-4 or L-2 spouses and children, and changing to F-1 student status. It must be filed before your I-94 expires. With JustFill you upload the blank USCIS I-539 PDF, the AI auto-detects every field, you type or dictate your answers, and you download the completed application free.

Form
Form I-539
Issued by
USCIS
Country
United States
Cost to fill
Free

What is Form I-539?

Form I-539 is the USCIS application for extending your authorized stay or changing from one nonimmigrant status to another without leaving the United States. JustFill turns the official PDF into a fillable form you complete in your browser. You identify your current status and I-94 expiration date, state what you are requesting (an extension or a change and to which category), explain the reason, and answer questions about your passport, finances, and immigration history. Family members in the same status who are extending or changing together can be included as co-applicants on Form I-539A. Filing on time generally lets you remain while the application is pending; principal workers like H-1B or L-1 use Form I-129 instead.

Who fills out Form I-539?

  • B-1/B-2 visitors requesting more time in the United States
  • Dependent spouses and children (e.g., H-4, L-2, F-2) extending or changing status
  • Visitors changing to F-1 or M-1 student status, and F-1 students applying for reinstatement
  • E and TD dependents and certain other nonimmigrant categories listed in the instructions
  • Families filing together — co-applicants in the same status are added on Form I-539A

Field-by-field breakdown

What each section of Form I-539 asks for. JustFill’s AI will detect these fields automatically when you upload the PDF — review the breakdown below so you know what to enter.

Application type

Whether you are requesting an extension of your current status or a change to a new nonimmigrant category.

Biographic information

Full name, date and country of birth, A-Number (if any), and US address.

I-94 and passport details

I-94 number, date your authorized stay expires, passport number and validity.

Requested stay

The new end date you are asking for and the reason for the extension or change.

Co-applicants

Family members in the same status filing with you, each listed on a Form I-539A.

Eligibility questions

Yes/no questions about prior immigration violations, arrests, and other applications on file.

Signature

Sign and date; USCIS rejects unsigned applications.

Common mistakes to avoid

  • 1Filing after the I-94 expiration date — file before your authorized stay ends, since late filings are excused only in limited circumstances.
  • 2Using the visa stamp expiration instead of the I-94 date — your authorized stay is set by the I-94 record, which you should check at i94.cbp.dhs.gov.
  • 3Forgetting Form I-539A for each co-applicant, or leaving the reason-for-request explanation vague and unsupported by evidence (such as proof of funds for a longer visit).

How JustFill helps you complete Form I-539

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Frequently asked questions

The form is free to download from uscis.gov and JustFill lets you complete it free online. USCIS charges a separate filing fee, and biometrics may be required for some applicants — check uscis.gov for the current fee.
You can request an extension of your B-2 stay (your I-94 record), not the visa stamp itself. File before your I-94 expires, explain why you need more time, and show you can support yourself and intend to depart.
Before your current I-94 expires — USCIS recommends filing well in advance. If you file on time, you generally may remain in the US while the application is pending; check uscis.gov for current processing times.
Yes, if they hold the same status and are requesting the same extension or change. The primary applicant files Form I-539 and each additional family member is included as a co-applicant on Form I-539A.
Download the current I-539 PDF free from uscis.gov/i-539, then upload it into JustFill to complete every field online without printing.

Official source: Form I-539 on USCIS’s website

JustFill is an independent product and is not affiliated with, endorsed by, or sponsored by USCIS or any government agency. Always verify your completed form on the official version before signing or submitting.