What the tool does, how to run it, and what to expect from the result.
See your new monthly payment after recasting a mortgage with a lump-sum payment, the monthly saving, and the interest saved over the rest of the loan. The math updates instantly and runs on your device, so it is fast, private, and available offline.
A quick way to understand who this helps, what it solves, and where it connects next.
Shoppers, students, freelancers, and anyone who needs a quick, private calculation.
Fast everyday math without a spreadsheet, app install, or sign-up.
Short answers for the questions people usually have before trying a utility like this.
Yes. It is completely free, with no sign-up, no watermark, and no usage limits.
No. Amounts are currency-neutral and use the same unit across all inputs, so it works in any country.
You pay a lump sum toward principal and the lender recalculates the payment over the same remaining term and rate, usually for a fee of $150-$500. $50,000 off a $300,000 balance at 6% with 300 months left drops the payment from $1,932.90 to $1,610.75.
Recasting keeps your rate and costs little, so it suits a low-rate loan. Refinancing changes the rate and term but has closing costs. FHA and VA loans usually cannot be recast.
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Enter your numbers and the result updates live in your browser. Nothing is uploaded and no server is used.
Calculations run locally in your browser. Amounts are shown without a currency symbol so they work anywhere.