How to File a Tax Extension in 2025 (Without The Stress)

Tax season is here, and if you’re not quite ready to hit “submit”—you’re not alone. Life happens. Whether you’re still waiting on paperwork, had a curveball thrown your way, or just need more time, the good news is: you can file a tax extension in 2025 quickly and easily. And no, it doesn’t have to be a big deal.

Here’s everything you need to know to file a tax extension with confidence—plus how to do it in under 10 minutes.

What is a Tax Extension?

A tax extension gives you six extra months to file your federal income tax return—no questions asked. In 2025, the regular tax filing deadline is Tuesday, April 15. Filing an extension bumps your new deadline to Wednesday, October 15, 2025. And, if you haven’t received your 2021 Stimulus Check, you may still be able to claim your 2021 stimulus check on your 2025 extended tax return.

Important note:
A tax extension gives you more time to file, but not more time to pay. If you owe taxes, you’ll still need to estimate and pay what you can by April 15 to avoid interest and penalties.

Who Should File a Tax Extension?

Anyone who needs more time! Here are a few common reasons:

• You’re missing important tax documents (like a K-1 or 1099)
• You’re self-employed and need time to organize expenses
• Life is hectic (new baby, illness, caregiving—you name it)
• You want to work with a tax pro, but they’re fully booked

Whatever your reason, the IRS doesn’t require justification. You just have to submit the extension on time.

How to File a Tax Extension in 2025 (Step-by-Step)

1. Use IRS Free File

The fastest way to file a tax extension is online through IRS Free File. Even if your income is above the Free File limit, you can still use it just to request an extension.

• Go to the IRS Free File Fillable Forms
• Fill out Form 4868 (Application for Automatic Extension of Time to File U.S. Individual Income Tax Return)
• Submit it electronically by April 15

2. File Through Your Tax Software

If you’re using TurboTax, H&R Block, TaxAct, or another platform, they usually offer an easy way to e-file Form 4868 directly through your account.

Just follow the prompts—they’ll even help you estimate your tax due if needed.

3. Mail Form 4868

Prefer paper? You can download Form 4868, fill it out, and mail it to the IRS. Just be sure it’s postmarked by April 15.

Note: If you’re making a payment by check, include Form 4868-V with your payment.

Do You Have to Pay When You File an Extension?

If you expect to owe taxes, yes—it’s best to pay something by April 15. Otherwise, you’ll be hit with:

• Late payment penalties (usually 0.5% per month)
• Interest on the unpaid amount (current rate is 8% annually as of early 2025, per IRS interest rates)

If you’re due a refund, great news: no payment required, and no penalties.

Final Thoughts: It’s Okay to Ask for More Time

Filing a tax extension doesn’t mean you’re doing anything wrong. It simply gives you the breathing room to file accurately and on your own terms.

So if you’re feeling overwhelmed, take a deep breath and file that extension. You’ve got time—and now you’ve got a plan.