Know exactly
what you own.
Standing in the store aisle, wondering if you already have this one? DiecastIQ knows. The most complete Hot Wheels & Matchbox database — search by toy number, color, or series and see instantly if it's in your collection.
'67 Camaro
Hot WheelsOWNEDNissan Skyline GT-R
Hot WheelsLand Rover Defender 90
MatchboxOWNED'65 Ford Mustang GT
Hot Wheels4,447
Unique Castings
57,898
Variations Catalogued
1953–2026
Years of Coverage
Built for the moments that matter
Never buy a duplicate again
Grab the toy number off the card packaging, type it in, and instantly see if you already own it. Works offline — no signal needed in the store aisle.
'67 Camaro — Spectraflame Red
Already in your collection
Muscle Mania 2026
Bulk add your new finds
Browse by series and check off everything you picked up. Select multiple cars at once instead of adding one by one.
Track your progress
Visual progress bars show how close you are to completing each casting and series. Know exactly which variations you're still missing.
Two iconic brands. One database.
2,185
castings since 1968
Mainline, Super Treasure Hunts, premium lines, and more.
2,262
castings since 1953
Classic series, modern releases, and everything in between.
Ready to organize your collection?
Join collectors using the most comprehensive Hot Wheels & Matchbox database available.
Join the Beta