Instructions for filing an extension with the IRS:
https://www.irs.gov/payments/pay-personal-taxes-from-your-bank-account
> Click on "Make a payment"
> Reason for Payment: select "Application for Extension"
> Apply Payment to: "Income Tax 1040"
> Select Tax Period for Payment
> Proceed to fill out personal information
> Pay the amount chosen
Instructions for filing an extension with Hawaii:
> Click on "Make a Payment" on the left side
> Click Next
> Select "Individual Income"
> Select "Extension Payment," click Next
> Proceed to fill out personal information
> Pay the amount chosen
Instructions to pay a balance due with the IRS:
https://www.irs.gov/payments/pay-personal-taxes-from-your-bank-account
> Click on "Make a payment"
> Reason for Payment: select "Balance Due"
> Apply Payment to: "Income Tax 1040"
> Select year you are paying the balance for
> Proceed to fill out personal information
> Pay the amount chosen​​
Instructions to pay balance due with Hawaii:
> Click on "Make a Payment" on the left side
> Click Next
> Select "Individual Income"
> Select "Return Payment"
> Proceed to fill out personal information
> Pay the amount chosen