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Port Vérificateur

Check if network ports are open or closed on any host. Free online port checker for connectivity testing in your browser.

Port Vérificateur is a free online utilitaire tool. Your input is processed on secure servers over an encrypted HTTPS connection and nothing is stored. No software to install; works on both phone and desktop.

How to use

  1. 1 Ouvrez la page de l'outil Port Vérificateur.
  2. 2 Collez votre texte, URL ou données dans la zone de saisie.
  3. 3 Choisissez le mode d'opération et les paramètres.
  4. 4 Exécutez l'outil et consultez le résultat.
  5. 5 Copiez ou téléchargez le résultat.

Why we built this tool

We noticed most online tools upload your files to remote servers. Since privacy is our core principle, we built this tool to process everything locally in your browser.

Questions fréquentes

Cet outil est-il gratuit ?

Oui, entièrement gratuit sans inscription.

Puis-je l'utiliser sur mobile ?

Oui, il fonctionne sur les navigateurs mobiles avec support tactile.

À quelle catégorie appartient-il ?

Utilitaire

Is Port Vérificateur safe? Is my data uploaded or stored?

Port Vérificateur sends your input over an encrypted HTTPS connection to our servers to complete the processing. Nothing you submit is stored; results are only displayed in your current page.

🔒 Privacy & Security：All processing happens locally in your browser. Files are never uploaded or stored.

🔒 Privacy: All processing happens locally in your browser. Your files and data never leave your device — no upload, no server, no tracking.

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