Stop overpaying on rental cars.

Free tools to calculate exact fuel before return, document damage at pickup, and dispute bogus fees. Used at airport counters worldwide.

Calculate my fuel cost → See all 12 tools
100% free No ads No signup Works at the pump
500+ rental tool calculations this month · $40-$80 average savings per trip
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FillItRight· Fuel Calculator
Works offline

Figure out exactly how much gas to put back so you don't overpay at the pump.

Calculate fuel
CheckItRight· Damage Inspection
Works offline

Walk around the car and document every scratch before you drive off the lot.

Start checklist
DisputeItRight· Dispute Letter Generator
Works offline

Generate a professional dispute letter when they charge you for damage you didn't cause.

Write letter
CostItRight· True Cost Calculator
Works offline

See what your rental actually costs after taxes, surcharges, and hidden fees.

Calculate cost
TrackItRight· Agreement Scanner
Works offline

Upload your rental agreement and get an AI breakdown of costs, fees, and red flags.

Scan agreement
ReceiptChecker· Junk Fee Finder
Works offline

Paste your final receipt and we'll flag junk fees, overcharges, and anything you can dispute.

Check receipt

More tools

Return Checklist Insurance Check Compare Prices Mileage Calculator Road Trip Cost Packing List Rental Checklist RV Inspection Boat Inspection Car Size Guide Glossary Company Directory Tips & Guides

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Move-In Costs Know the real upfront total Inspection Checklist Document every issue at move-in Lease Red Flags Spot bad clauses before you sign Rent Affordability See what you can actually afford
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