One page. One job. Done.
Mini Tools Collection
ToolPatch is a growing collection of focused utilities. Each page handles one task with clear inputs, fast results, and practical outputs.
Estimate months to pay off debt and total interest cost.
Model payoff timelines from balance, APR, and monthly payment assumptions. Great for personal budgeting and debt reduction planning.
Find required monthly savings contribution to reach a target goal.
Plan a target amount with current savings, time horizon, and expected return.
Calculate age in years, days, and weeks from birth date.
Simple date-based age computation for personal and admin use.
Calculate tip amount, total bill, and per-person split.
Quickly split restaurant bills with configurable tip percentage and party size.