If you need to remove it, brew uninstall --cask postman leaves no lingering files. Prerequisites

: If a cask installation fails, you might need to check your permissions, but normally brew install does not require sudo .

A single Terminal command handles the entire download, extraction, and installation process.

This guide provides a comprehensive, step-by-step process to download and install Postman on Mac using Brew as of 2026. Why Install Postman via Homebrew?