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Read CAN / CAN FD Logs in Your Browser — BLF, MF4, ASC + DBC

If you work in automotive diagnostics, validation, or calibration, you already know the ritual. Someone hands you a BLF or MF4. You need to see frames, decode signals with a DBC, plot a few traces, maybe export CSV for a report. The classical answer is a heavyweight Windows toolchain with a seat license. That answer is excellent when you have it. It is awkward when you are on a loaner Mac, a locked-down laptop, or a quick review that does not deserve a full CANoe session. I built Canmetry for that gap: a browser CAN / CAN FD log viewer that opens common Vector/ASAM-style formats, attaches DBC per channel, and keeps parsing on your machine. What it is (and what it is not) Canmetry is an online viewer in the sense that you open a website. It is not a generic "log analytics SaaS" that insists every file must live in a cloud project before you can scroll a trace. Core viewing runs locally in the browser (parsing in a Web Worker). You open BLF, MF4, ASC, CSV, or candump-style ...