Free browser-based loan payoff calculator. Enter any loan (mortgage, auto, personal, student) plus an extra monthly or one-time payment, and see the new payoff date, total interest saved, and the full month-by-month amortization schedule side by side with the original. No signup, runs entirely client-side.
OnlineToolHubs is a collection of 325 free calculators, converters, PDF tools, and developer utilities. 309 run entirely in the browser, so documents, code, and calculations stay on the user's device. There are no accounts, downloads, paid tiers, or usage limits. Each calculator explains its formula, assumptions, sources, and limitations.
