SDA++

A modern Windows fork of Steam Desktop Authenticator for Steam Guard codes, trade confirmations, QR login, cloud synchronization, and session recovery.

Windows 10+ .NET 8 Portable build Open source
SDA++ selected Steam account screen with session status and quick actions

Steam Guard desktop features

Steam Guard 2FA codes

View rotating Steam Guard authentication codes and manage multiple accounts from the desktop.

Trade confirmations

Approve or revoke Steam trade and market confirmations directly from the Windows client.

QR login and hotkeys

Use QR-code login from desktop screenshots and switch accounts quickly with keyboard shortcuts.

Session recovery

Recover sessions and re-login accounts with saved encrypted credentials when needed.

Cloud synchronization

Synchronize encrypted .maFile data and saved credentials using WebDAV cloud storage.

Portable Windows app

Download the portable release, extract it, and run SDA++.exe without an installer.

Interface screenshots

Security note

SDA++ is an unofficial Steam Guard desktop application and is not affiliated with Valve or Steam. Keep encrypted backups of your Steam Guard files and only download releases from the official GitHub repository.