Automotive intelligence / web

VINValue

Vehicle appraisal without the opaque black box.

VINValue is an appraisal workspace for decoding vehicles, understanding market ranges, saving a garage, and revisiting valuation history.

Year
2026
Role
Creator / Full-stack Engineer
Stack
Next.js, React, Supabase, Chrome
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VEHICLE INTELLIGENCE

What's your car worth?

Decode the VIN, add its condition, and get a clear market range.

2019 · PERFORMANCE COUPE

Estimated market value

$28,450
TRADE-IN$25,900PRIVATE PARTY$28,450RETAIL$31,700
01 / The problem

A single trade-in number hides the assumptions that matter: vehicle configuration, mileage, condition, comparable inventory, and how the market is moving.

02 / The build

I designed a multi-route Next.js product around guided appraisal, dynamic value ranges, saved vehicles, history, profiles, and a browser extension that brings the workflow closer to listing research.

03 / The result

The product turns a one-off estimate into an inspectable workspace—useful whether someone is selling, shopping, or tracking a vehicle over time.

System capabilities
01

VIN-centered vehicle decoding and appraisal workflow

02

Dynamic market range with low, expected, and high values

03

Saved garage, profile, and valuation history

04

Sell-side guidance and appraisal detail views

05

Companion Chrome extension for listing workflows

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