QR codes for IT and security

TOTP authenticator setup, SSH keys, WireGuard configs, eSIM activation, SIP endpoints. Everything an SRE or security engineer actually uses.

None of this generator runs on a server. No credentials, config strings, or key material leaves your browser. Verify in DevTools → Network.

1. TOTP 2FA setup

Standard otpauth://totp/ URI. Scans into 1Password, Authy, Google Authenticator, Bitwarden, Apple Passwords. Open the TOTP generator →

2. SSH public key

Paste a public key, get a QR that imports directly into Termius, ServerCat, or any SSH-aware app. Open the SSH key generator →

3. WireGuard peer config

Full peer config, scanned straight into the WireGuard mobile app. No need to email .conf files. Open the WireGuard generator →

4. eSIM activation (LPA)

GSMA SGP.22 LPA string. Scanning adds the eSIM profile to iOS or Android native cellular setup. Open the eSIM generator →

5. SIP / VoIP endpoint

RFC 3261 sip: and sips: URIs for one-tap call setup. Open the SIP generator →

Also useful

OpenPGP public key, BitTorrent magnet links, HOTP for counter-based tokens, and our test-vectors page to validate implementations.

Start with the full generator →

Last reviewed: 2026-04-16.