gas-mask
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Description:
Hosts file editor/manager
Type: Cask  |  Latest Version: 0.8.6@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Networking
Tags: hosts-file networking development ad-blocker macos
Install: brew install --cask gas-mask
About:
Gas Mask is a native macOS application designed for managing multiple hosts files. It allows users to create, edit, and switch between different host file configurations on the fly, making it easy to block ads or switch development environments. The tool runs in the menu bar for quick access and handles the necessary administrative permissions to apply changes seamlessly.
Key Features:
  • Instant switching between multiple hosts file configurations
  • Built-in text editor with syntax highlighting
  • Menu bar integration for quick access and control
  • Automatic backup and restore of original hosts file
Use Cases:
  • Blocking ads and trackers across your entire system
  • Switching between development, staging, and production environments
  • Quickly disabling or enabling specific network rules for testing
Alternatives:
  • Hosts File Editor – Manual editing via Terminal, less convenient for switching profiles
  • SwitchHosts – Cross-platform alternative with similar functionality
Version History
Detected Version Rev Change Commit
Jul 11, 2024 9:33am 0.8.6 0 VERSION_BUMP 38a8484a