Professional OBD1 Tuning Made Simple

HDTuner is a free, powerful tuning application designed for automotive enthusiasts who want professional-grade OBD1 tuning capabilities without the premium price tag.

100% Free
OBD1 Compatible
Pro Features

Powerful Features

Everything you need for professional OBD1 tuning

Real-time Data Monitoring

Monitor your vehicle's performance in real-time with our advanced data visualization tools and customizable dashboards.

Advanced Tuning Controls

Fine-tune your engine parameters with precision using our intuitive interface and professional-grade controls.

Data Logging & Analysis

Comprehensive data logging capabilities with detailed analysis tools to optimize your vehicle's performance.

Safe & Reliable

Built-in safety features and backup systems ensure your vehicle's ECU is protected during tuning sessions.

Multiple Protocols

Support for various OBD1 protocols and communication standards for maximum vehicle compatibility.

Community Support

Join our growing community of tuning enthusiasts and get support from experienced users and developers.

Ready to Start Tuning?

Download HDTuner now and experience professional OBD1 tuning for free.

Windows

Windows 10/11 Compatible

Download for Windows

macOS

macOS 10.15+ Compatible

Download for Mac

Linux

Ubuntu/Debian Compatible

Download for Linux

System Requirements

  • OBD1 compatible interface cable
  • USB port for device connection
  • 4GB RAM minimum (8GB recommended)
  • 500MB free disk space

About HDTuner

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.

Open Source

Transparent development

Community Driven

Built by enthusiasts

Always Free

No hidden costs

Get in Touch

Have questions or need support? We're here to help!

Email Support

[email protected]

GitHub

Contribute to the project

Community Forum

Join the discussion