Online CAN / CAN FD log viewer for diagnostics, validation and calibration engineers at automotive OEMs, suppliers, and diagnostics labs (B2B engineering teams, not a consumer product). Open BLF, MF4, ASC, CSV or candump, map DBC per channel, filter frames, plot signals, export CSV—parsing in a Web Worker on the machine. Alternative to desktop CANoe seat licenses for B2B engineering teams. Pricing: Free (core local viewer).