Free tools

Tools you can use before you talk to anyone

No account, no email, no catch. The calculators run in your browser — nothing you type is sent to us or stored anywhere.

Free · no signup
Packed Payment Detector
Rebuild a quoted payment from the deal's own numbers and see how much of it those numbers don't explain. Financing and leasing.
Free · 50 states + DC
Dealer Fee Map
Every state's average doc fee, its legal cap, complaint rates and enforcement cases — and what to watch for at the desk where you're buying.
Free · no signup
Out-the-door calculator
Add up price, tax, title and the fees a dealer lists, and see the real total instead of the monthly payment.
Guide · 10 min read
How to read a dealer worksheet
Every block on the page a dealer hands you — price, trade, fees, add-ons, tax, payment — and the question to ask about each one.

All 6 car-buying guides

The next step

Free tools find the question. DrivrShield AI answers it.

These tools work with the numbers you can already see. The app reads the paperwork itself — deal sheets, CARFAX pages, repair quotes — and explains every line in plain language, with the words to say back.

Photograph a worksheet and get it line by line
Live recall and vehicle-history checks
Any car question answered, any time

Start with DrivrShield AI See what’s included

5 free Asks a month, no card. $19.99/month after that · cancel anytime, no hoops.

Want a real person on the whole deal? Human Deal Analysis opens mid-fall 2026 — get notified.

Packed Payment Detector

Dealer Fee Map

Out-the-door calculator

How to read a dealer worksheet

Free tools find the question. DrivrShield AI answers it.