---
name: "WhatCable"
subtitle: "Menu bar utility that diagnoses USB-C cable specs"
date: 2026-05-03
link: https://github.com/darrylmorley/whatcable
source: "Hacker News — Show HN"
topics: [macos-apps, tools]
tags: [macos, usb, hardware]
---

A menu bar utility that interrogates a USB-C cable plugged into your Mac and tells you exactly what it can do — power delivery rating, data speed, Thunderbolt support. Solves the genuinely terrible problem of cables that look identical but aren't, without making you guess from the box you threw away.
