Some free ways to pay federal taxes online include electronic funds withdrawal during e-filing, IRS Direct Pay and through the Electronic Federal Tax Payment System, according to the Internal Revenue Service. These options transfer funds directly from the taxpayer's bank account to the IRS.
IRS Direct Pay is a free service that is secure and suitable for individuals. The service is accessed from the organization's official website. The Electronic Federal Tax Payment System is the best option for businesses. One company that offers free e-file and online tax payments is H&R Block. The site also helps customers determine which forms to use and checks for issues before tax returns are filed, states H&R Block.