VCTool is a software for diagnostics, flashing, coding, parameterization and activation of hidden features on VAG vehicles built on the MQB, MQBA0, MQBAB, MQB2020, MQB37w, MEB and MLBEvo platforms. No special knowledge or expensive equipment is required to work with the program and activate hidden features. To connect to a car, VCTool supports widespread eNet (DoIP protocol), J2534 PassThrough interfaces, such as Tactrix Openport, Chipsoft Lite / Mid, Scanmatik, Abritus, VAS5054a, UCDS, Hella Gutmann, Cardaq, etc., as well as interfaces based on ELM and STN microchips: ELM327 USB / BT, ELS27, VGate BT, OBDLink SX / EX / MX + and others. An account is required to work with VCTool. Some of the tools and hidden features are available for free. It is possible both to purchase modules separately, and to work on the basis of subscription plans, which include a certain part of the functionality and activation of all available hidden features. VCTool has a refillable database of parameters. It is the only application for a computer with similar functionality and support for available ELM / eNet interfaces.