Free Online Tuning Tools

Browser-based utilities from 4J Tuning designed to simplify common calibration and file conversion workflows.

Free Web Tool

XDF → EZ LYNK Converter

Convert TunerPro XDF definition files into an EZ LYNK-compatible Custom Configuration CSV directly in your browser. Upload your XDF, review the conversion, and download the finished CSV ready for import into EZ LYNK.

Open Converter
No installation required.
Free Web Tool

VBF → BIN Converter

Convert Ford VBF files into binary format directly in your browser. Upload a VBF file, process the conversion, and download the resulting BIN for use in your calibration workflow.

Open Converter
No installation required.