Lite
Look before you tune.
- Open ROMs, browse every table in 2D and 3D
- Compare two ROMs
- Read and back up your ECU
- Live logging and log viewer
- Claude explains your maps and logs
Test build · 2.4 MB · Install guide
Needs a ~$10 K-line cable. Which one?
Free to download. Lite lets you back up your ECU and explore every map; unlock Pro when you want to tune.
By downloading VQLab you agree to the Terms of Use. VQLab is for off-road and competition use.
Install VQLab once. It starts as Lite; enter a Pro licence key under Help > Licence to unlock editing, patches and flashing.
Look before you tune.
Test build · 2.4 MB · Install guide
Needs a ~$10 K-line cable. Which one?
Launch price, normally $400 · One-off payment
Everything in Lite, plus:
Same download as Lite. Pro unlocks with a licence key.
Tuning more cars? +5 cars for NZ$100.
Double-click the .msi file and follow the prompts. VQLab installs to Program Files and adds Start menu and desktop shortcuts.
Connect a K-line (KKL) USB cable. Not sure which one? See the cable guide.
Open VQLab, choose your COM port and click Read ROM. Keep that stock backup somewhere safe before you change anything.
Lite is free forever. To edit, patch and flash, enter a Pro licence key under Help > Licence. See Pro.
New software from a small developer can trigger Windows SmartScreen ("Windows protected your PC"). If you downloaded the installer from this page, click More info, then Run anyway. To check the file is genuine, compare its SHA-256 above with the output of Get-FileHash .\VQLab-0.1.0-x64-TEST.msi in PowerShell.