WhatCable
Summary
WhatCable helps you identify the capabilities of your USB-C cables.
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WhatCable: Know what your USB-C cable can do
WhatCable is a macOS menu bar app that reads macOS-reported USB-C and Power Delivery data to show cable speed, power capability, display path, and bottlenecks, with an optional Pro tier and a public cable observation database.
whatcable: macOS menu bar app that tells you, in plain English, what each USB-C cable plugged into your Mac can actually do
WhatCable is a macOS menu bar app that identifies the capabilities of USB-C cables connected to your Mac, showing charging speed limits, data speed diagnostics, and cable trust signals in plain English.
This free Mac app reveals the truth about your mystery USB-C cables
WhatCable is a free Mac app that reads USB-C cable data from Apple Silicon Macs to reveal cable capabilities like power and speed ratings.
I stopped trusting USB-C cable labels and started testing them
The author explains why USB-C cable labels are unreliable and recommends using a $15 cable tester to verify actual charging and data speeds, highlighting the role of e-marker chips.
The Best USB-C Cables (2026): for Smartphones, Tablets, and Laptops
A Wired guide reviewing the best USB-C cables for smartphones, tablets, and laptops, with honorable mentions including the Statik MagStack Pro, Baseus 2-in-1, Twelve South PowerCord, and Smartish Crown Joule 3-in-1 Cable.