There are a number of ways to pay your taxes online: Payment options include paying directly from your bank account, paying with a debit/credit card, or setting up a payment plan. Here’s more information on these payment options.
Remember: Even if you file a tax extension, any taxes owed are still due on April 15 (or the next business day, if the 15th falls on a holiday or weekend). With an extension, your return will be due October 15 (or the next business day, if the 15th falls on a holiday or weekend). For those in military or living outside the U.S, special rules may apply.