SFTP Connection Tester

Verify that your SFTP server is reachable and that your credentials authenticate correctly. Supports both password and SSH private key authentication. Tests the full SSH handshake and login.

Your credentials and private keys are used only to test your server and are never logged or stored.

About this tool

This tool performs a real SSH/SFTP handshake to your server, including key exchange and authentication. It supports both password and SSH private key authentication, and reports the server’s SSH software version string and the round-trip time.

Credentials and private keys are transmitted securely to our testing API and are never stored or logged. If you prefer not to test with real credentials, leave username and password blank — the tool will attempt an anonymous connection and report whether the server is reachable.

For private key authentication, paste the PEM content of your key into the text area. Both OpenSSH and RSA key formats are supported. If your key is protected with a passphrase, enter it in the passphrase field.