Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return
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Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return, is the IRS form individuals use to get six more months to file Form 1040 (or 1040-SR/1040-NR). It is filed by U.S. citizens and residents who need extra time, and it does not extend the time to pay any tax owed. JustFill lets you fill the official 4868 PDF online for free.
Form 4868 is the IRS application for an automatic six-month extension of time to file a U.S. individual income tax return (Form 1040, 1040-SR, or 1040-NR). Any U.S. citizen or resident — and certain nonresidents — can file it by the original April deadline to push their filing deadline to October, without having to explain why. Importantly, it extends only the time to file, not the time to pay: you should still estimate and pay any tax you owe by the original due date to avoid interest and penalties. You can submit it electronically or on paper, and you can also use it as a worksheet to estimate your liability. With JustFill you can fill the official Form 4868 PDF online for free — the AI detects each field so you can type or dictate your answers, it works on scanned copies, and you never need Adobe Acrobat.
The official Form 4868 (2025) is free to download from irs.gov, where you'll also find instructions printed on the form itself. JustFill opens that same PDF in your browser so you can complete it without Adobe Acrobat.
Get the official Form 4868 PDF from Internal Revenue Service (IRS)What each section of Form 4868 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.
The name(s) and mailing address exactly as they will appear on your tax return.
The SSN of the primary taxpayer filing the extension.
Your spouse's SSN if you are filing a joint return.
Your best estimate of the total tax you expect to owe for the year.
Total of withholding and estimated payments already made for the year.
Line 4 minus line 5; the amount of tax you still expect to owe.
The amount you are paying with this extension request.
Check box 8 if you are 'out of the country' and a U.S. citizen or resident; check box 9 if you file Form 1040-NR and didn't receive wages subject to U.S. withholding.
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Form 1040, U.S. Individual Income Tax Return
Form 1040-X, Amended U.S. Individual Income Tax Return
Schedule C (Form 1040), Profit or Loss From Business (Sole Proprietorship)
Form W-2, Wage and Tax Statement
Official source: Form 4868 on Internal Revenue Service (IRS)’s website
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