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How to file a tax extension for free by the April 15 deadline
You can file an IRS tax extension by April 15 if you need more time on your taxes. Here are some free options.

TL;DR
- An IRS tax extension can be requested via Form 4868, pushing the filing deadline to October 15.
- Tax payments are still due by the original April 15 deadline to avoid penalties and interest.
- Filing an extension is recommended over amending a return if missing tax forms, due to long processing times for amended returns.
- Free options to file an extension include making an online payment marked as an extension or using IRS Free File.
- Mailing Form 4868 is an option, but it must be postmarked by April 15; certified mail is advised for proof.