ByteGuard - Password & Passkey

Passkey support is here! Passwords, 2FA codes & passkeys in one app. Zero-knowledge encryption keeps your data private. Works offline. Lifetime purchase available.

ByteGuard is a secure password manager and authenticator with zero-knowledge encryption. Your data stays completely private — we can't see it, only you can decrypt it.

KEY FEATURES

◆ MILITARY-GRADE SECURITY • Zero-knowledge architecture: all encryption happens locally • AES-256-GCM encryption with Argon2id key derivation • Dual protection: Master Password + Secret Key • Biometric unlock (Face ID / Touch ID / Optic ID) • Auto-lock when you leave the app • Privacy screen protection in app switcher • Compatible with Apple Lockdown Mode

◆ SMART PASSWORD MANAGEMENT • Store unlimited passwords, cards, notes & identities — free • One-tap AutoFill in Safari and apps • Smart matching of associated domains for the same service • Auto-prompt to save new passwords from browsers (iOS 26.2+) • Powerful password generator with random characters or memorable passphrases • Password history tracking

◆ BUILT-IN AUTHENTICATOR • 2FA/TOTP & HOTP code generator • Works as your standalone authenticator app • Auto-copy codes + system-level one-tap AutoFill (iOS 18+) • SHA-1, SHA-256 & SHA-512 support

◆ PASSKEY SUPPORT • Create, store and use passkeys for passwordless sign-in • Works across browsers and apps • Syncs via iCloud to all your devices

◆ STORE MORE THAN PASSWORDS • Bank cards, identity documents & secure notes • API keys, software licenses & OAuth tokens • Organize with custom tags • Recover deleted items for 30 days

◆ MULTIPLE VAULTS • Separate vaults for personal, work & family • Each vault has independent encryption & Secret Key • Quick switch between vaults

◆ SECURITY REPORT • Password strength analysis, duplicate detection & expiration alerts • HTTP-only site detection • Data breach monitoring via Have I Been Pwned • 2FA coverage check • At-a-glance security summary on home screen • Overall security score (0–100)

◆ SYNC & BACKUP • Optional iCloud sync across all your Apple devices • End-to-end encrypted cloud backup • Import from 1Password, Bitwarden, LastPass, Dashlane, KeePass & Apple Keychain • Export to CSV, JSON or encrypted .bytegx

◆ PRIVACY FIRST • No account required to start • No tracking, no analytics, no ads • Your data never leaves your device unencrypted • Works fully offline

◆ WIDGETS & SPOTLIGHT • Quick-access widget with vault stats / colour-coded digits & symbols • Password generator widget with one-tap copy • Spotlight search for instant access

WHY BYTEGUARD?

ByteGuard uses a zero-knowledge architecture. Your master password never leaves your device, and all encryption happens locally. Only you can access your data.

FREE PLAN • Unlimited passwords, cards, notes & identities • Unlimited 2FA codes • Biometric unlock & AutoFill • Password generator & auto-lock

PREMIUM (upgrade anytime) • iCloud sync & cloud backup • Unlimited vaults (free: up to 3) • Batch import & export • Data breach detection • Full security report • Custom themes

Start with a 30-day free trial of all premium features. No credit card required. Monthly ($0.99), Yearly ($5.99), or Lifetime ($9.99) — pay once, use forever.

Terms of Service: https://bytelink.online/en/terms Privacy Policy: https://bytelink.online/en/privacy Support: hellobyteguard@gmail.com