WELCOME TO MIKE'S TOOLBOX

Life's full of numbers.
Mike's got your back.

Everyday tools for paychecks, payments, schoolwork, and a budget that actually remembers where you left off.

Open My Budget Planner →
Mike the SumBunny mascot
💵Paycheck & OvertimeSee what your work earns. 🏠Mortgage CalculatorEstimate monthly home costs. 🚗Auto Loan CalculatorEstimate payments and interest. 🎓GPA & Final ExamsTake the stress out of grade math. 🛍️Can I Afford It?Evaluate a purchase before you buy. 🧾Shopping & DiscountsGet the real checkout total.
NEW: MIKE'S BUDGET PLANNER

Your money. Your plan. No account required.

Set monthly spending limits, add expenses as they happen, and come back later. Your budget is saved in this browser on this device.

🔒 Your numbers stay here. Entries are saved locally in your browser, not sent to SumBunny. Browser storage is not encrypted; someone who uses this browser may see them. Clearing site data or switching devices may erase access. Export a backup if you want to keep a copy, and store that file privately.
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1. Plan your month

Income is your expected take-home pay. Savings is an optional amount you want to set aside.

Income$0
Planned spending$0
Actually spent$0
Unassigned after goals$0

2. Set your spending limits

Choose how much you want to spend in each category. You can add your own.

3. Record what you spent

Add expenses as they happen. Mike keeps track of how much is left in each category.

This month's spending

🛒 Considering a purchase?

Track your ongoing budget here, then use Can I Afford It? for a specific buying decision. A direct, on-device handoff between the tools is our next improvement; for now they remain separate and your budget details never go into a URL.

Open Can I Afford It? →

SumBunny You Can Trust! · This planner is a budgeting aid, not financial advice. Your budget is stored in this browser, not synced between devices.