How TopFuelAuto Works
From VIN decoding to AI damage analysis - see exactly how our Chrome extension helps you make smarter auction bids on Copart and IAAI.
Install & Open Extension
Get started in seconds
Install TopFuelAuto from the Chrome Web Store. Visit any vehicle listing on Copart or IAAI - the sidebar opens automatically with real-time auction data.
- Current bid and auction countdown
- Vehicle year, make, and model
- Real-time price updates

Decode Partial VIN
Works with masked VINs
Copart and IAAI mask the last 6 digits of VINs. Our decoder uses NHTSA data to extract full vehicle specs even from partial VINs.
- Year, Make, Model, Trim decoded
- Engine and transmission specs
- Works with masked ****** VINs

Extract Full VIN with AI
Unlock sold history
Drag and drop a VIN photo (door jamb sticker, dashboard, or windshield) and our AI extracts the complete VIN. Then search our sold history database.
- 93%+ accuracy on VIN photos
- Searches auction sold history
- Find if vehicle sold before

Quick Summary
Key info at a glance
See everything important in one place: Auto-Grade score, title status, keys, mileage, run & drive verification, and available media like engine audio.
- Auto-Grade and AutoCheck scores
- Clean title verification
- Keys, run & drive status
- Audio and undercarriage links

AI Buyer Advisor
Smart recommendations
Our AI analyzes all lot data and provides a verdict: BUY, CONSIDER, or PASS. Get key insights, warnings about expensive repairs, and opportunities.
- BUY / CONSIDER / PASS verdict
- Title and damage explanations
- Warnings with cost estimates
- Opportunities highlighted


AI Damage Report
Photo-based analysis
Drag photos from the auction gallery into organized zones (Front, Rear, Left, Right, Interior). AI analyzes damage and estimates repair costs.
- Drag & drop from gallery
- Detailed damage breakdown
- Repair vs replace recommendations
- Cost estimates per area


Export PDF Report
Save and share
Download a comprehensive PDF report with all analysis data. Save reports to your dashboard and access them anytime from any device.
- Complete PDF report
- VIN, damage, price analysis
- Similar sold vehicles data
- Save to dashboard


What You Get
VIN Decoded
Full specs from partial VINs using NHTSA data
Price Analysis
Market average from 20+ similar sold vehicles
Damage Report
AI-powered repair cost estimates by area
PDF Export
Complete reports to save and share
Ready to Analyze Your First Vehicle?
Install TopFuelAuto and start making data-driven auction bids today.
Works on Copart.com and IAAI.com