Port Checker
Enter a host and port number to check whether that port is open and reachable.
Port Checkerの使い方
- 1
Enter a host and port number, or pick a common port shortcut.
- 2
Click Check.
- 3
See whether the port is open, closed or timed out.
Port Checkerの機能
- Checks any TCP port from 1-65535 on a public host.
- Quick shortcuts for common ports (HTTP, HTTPS, SSH, FTP, MySQL).
- Shows connection time for open ports.
Tool Kingが選ばれる理由
高速
待ち時間や登録は不要。ほとんどのファイルは数秒で完成します。
プライバシー重視
ファイルはメモリ上で処理され、処理後すぐに破棄されます — 保存や共有は一切されません。
無料
すべてのツールが無料で、基本機能に隠れた制限はありません。
よくある質問
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