Blog
Short, practical guides to number plates, vehicle data and integrating PlateRunner.
Free tools
Look up a number plate for free
Enter a Danish or Dutch number plate. You get the make, model and technical details together in seconds.
kW to hp
Convert engine power between kilowatts and horsepower. The result updates as you type, and everything is calculated directly in your browser.
VIN decoder
A VIN has 17 characters. Enter it to see the region, manufacturer, model year and its three sections.
Articles
Kenteken API: Dutch RDW data and Danish plates in one call
Look up Dutch and Danish licence plates with the same API, the same answer format and one key. Free up to 3,000 lookups a month.
Number plate API: get started in 5 minutes
Fetch make, model, engine and VIN from a number plate with one API call. Free for up to 3,000 lookups a month.
Number plate lookup in JavaScript
Look up a number plate in JavaScript and Node with PlateRunner, and keep the key secret when the lookup starts in the browser.
Number plate lookup in PHP
A short and complete example of looking up a number plate in PHP with PlateRunner, including error handling and caching.
The Danish Motor Register (DMR) explained
What is the Danish Digital Motor Register, what can you see in it, and which information is public? A short explanation.