BROTHERS FREE TOOLS

Free car tools

Free car tools: decode a VIN, look up OBD-II codes, compare tyre sizes, check maintenance information and prepare a pre-purchase checklist.

My car

Enter a VIN or select your vehicle manually.

Select

Enter a VIN or select your vehicle manually.

VIN decoder

This is technical decoding, not accident, mileage or ownership history. Verify against vehicle documents.

Manufacturer technical fields may be in English.

Manual selection

Verified subsets across 12 makes and US, Canada, EU, Japan and Korea. Choose the exact engine, gearbox, market and variant. Other configurations remain unknown.

Other vehicle — manual entry

Stored only in this browser. The VIN is not saved.

Quick tools

OBD-II codes

Code meanings and areas to investigate.

Tyre calculator

Compare sizes and speedometer differences.

Oil & fluids

Specifications without oil-brand promotions.

Maintenance

Maintenance guide

Verified data and a general guide.

Oil & fluids

Specifications without oil-brand promotions.

Buying & safety

VIN decoder

Enter a VIN or select your vehicle manually.

Warning lights

Identify the system, urgency and safe next steps.

Pre-purchase checklist

Record observations and systems needing professional inspection.

Later: tyre pressure, battery, recalls and service planning.