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Loan Optimizer

Try extra repayments, weekly or fortnightly payments, interest-only periods, splitting your loan, and offset accounts — see exactly how much interest and time each one saves. No sign-up needed — everything stays in your browser.

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Splits your loan into another part — e.g. part fixed, part floating — with its own rate, term and scenarios.

Results update live as you adjust anything — everything stays in your browser.

Showing an example loan. Adjust anything on the left and these numbers update instantly to match your own situation.

Your Savings

Original loan

$500,000

6.50% p.a. · $3,160 monthly · 30 years

Fine-tuned loan

$500,000

6.50% p.a. · $3,160 monthly · 30 years

Total interest cost$637,722
Fine-tuned loan interest cost$637,722
Interest saved$0
Debt freeSame time
Total interest saved$0 (0.00%)

Loan Balance Over Time

$0k$125k$250k$375k$500kYr 0Yr 3Yr 6Yr 9Yr 12Yr 15Yr 18Yr 21Yr 24Yr 27Yr 30
Baseline (no changes)Your scenario

Savings breakdown

Turn on a scenario to see how much it saves.

Your active scenarios

Turn on a scenario on the left to see its own before/after here.

Our Take

Turn on a scenario on the left to see how much interest and time you could save.

Informational only, not financial advice. Assumes a fixed interest rate over the life of the loan and doesn't account for rate changes, fees, or break costs.