Deposit short and the IRS adds 2% to 15% of the shortfall under IRC § 6656. This sheet stops Social Security at the wage base, stops FUTA at the first $7,000 per employee, and prints the exact Form 941 deposit for the check you are running right now.
The plugin adds one shortcode, [readystack_payroll_tax_spreadsheet]. Put it on any page or post and the tool runs in the browser. What it works out: