Debt Payoff Planner (Snowball vs Avalanche) - Interactive Web App + Excel (Both Formats in One Download) - Debt-Free Date, Interest Saved, Runs Offline

Get BOTH formats in one purchase: an interactive debt-payoff planner (.html) you open in any browser AND the matching Excel workbook (.xlsx) — plus a quick-start guide. Compare snowball vs avalanche, drag your extra payment, and instantly see your debt-free date and interest saved. Works offline, saves on your computer. No subscription.