

WhatCable
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A small macOS menu bar app that tells you, in plain English, what each USB-C cable plugged into your Mac can actually do, and why your Mac might be charging slowly.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
- Homebrew

WhatCable
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Features
Properties
- Privacy focused
- Lightweight
Features
- Ad-free
- Command line interface
- Works Offline
- No registration required
- No Tracking
- Apple Silicon support
- Hardware Monitoring
- Sits in the MenuBar
Tags
WhatCable information
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What is WhatCable?
A small macOS menu bar app that tells you, in plain English, what each USB-C cable plugged into your Mac can actually do, and why your Mac might be charging slowly.
USB-C hides a lot under one connector. Anything from a USB 2.0 charge-only cable to a 240W / 40 Gbps Thunderbolt 4 cable, all looking identical in your drawer. macOS already exposes the relevant info via IOKit; WhatCable surfaces it as a friendly menu bar popover.
