Proxy Checker for Mac 1.0.0

First release: bulk-check HTTP, HTTPS, SOCKS4, and SOCKS5 proxies on macOS.

• Import from file, paste, or URL
• Concurrent checks with live results and filters
• Export plain lines or URIs

Docs: https://proxychecker.developer.pm
Install (after tap update): brew install --cask proxychecker

Ad-hoc signed, not notarized. If macOS blocks the app: System Settings → Privacy & Security → Open Anyway.