HDTuner is a free, powerful tuning application designed for automotive enthusiasts who want professional-grade OBD1 tuning capabilities without the premium price tag.
Everything you need for professional OBD1 tuning
Monitor your vehicle's performance in real-time with our advanced data visualization tools and customizable dashboards.
Fine-tune your engine parameters with precision using our intuitive interface and professional-grade controls.
Comprehensive data logging capabilities with detailed analysis tools to optimize your vehicle's performance.
Built-in safety features and backup systems ensure your vehicle's ECU is protected during tuning sessions.
Support for various OBD1 protocols and communication standards for maximum vehicle compatibility.
Join our growing community of tuning enthusiasts and get support from experienced users and developers.
Download HDTuner now and experience professional OBD1 tuning for free.
HDTuner was created by automotive enthusiasts, for automotive enthusiasts. We believe that professional-grade tuning tools shouldn't be locked behind expensive paywalls.
Our mission is to democratize vehicle tuning by providing free, open-source software that rivals expensive commercial alternatives. Whether you're a weekend warrior or a professional tuner, HDTuner gives you the tools you need to unlock your vehicle's potential.
Transparent development
Built by enthusiasts
No hidden costs
Have questions or need support? We're here to help!