| Feature | Free Version | Premium Version | |---------|--------------|------------------| | Unlimited passwords | ✅ | ✅ | | Autofill in Firefox | ✅ | ✅ | | Password generator | ✅ | ✅ | | Sync across devices | ❌ (1 device) | ✅ Unlimited | | Security audit / breach check | ❌ | ✅ | | Payment card & form filling | ❌ | ✅ | | Priority support | ❌ | ✅ |
The extension operates on a strict zero-knowledge architecture. Your entire vault is encrypted using the advanced AES-256 cryptographic standard. The master password you create is the sole key capable of decrypting this vault. Kaspersky does not store your master password on their cloud servers, meaning no one—not even Kaspersky employees—can access or recover your data if the master password is lost. Secure Communication Vault
Before she acted further, the manager suggested a password health report be emailed to her. She declined; this felt like a private investigation she should keep to her. Instead she exported the entry — encrypted by default — and saved it to a secure note. The extension prompted one last nudge: enable two-factor authentication for the vault. She toggled it on. Kaspersky Password Manager Extension Firefox
To avoid duplicate save prompts:
After the call, Marta sat back and watched the K icon in the toolbar. In a few clicks she updated the password, notified the bookshop’s volunteer administrator, and tightened sharing permissions on several other entries that had quietly accumulated over the years. She reviewed the password health dashboard again; the amber bar shifted toward green as weak and duplicate passwords were replaced by strong, unique strings. The extension hummed approval. | Feature | Free Version | Premium Version
To get the most out of the extension, follow these everyday best practices:
Convenience means nothing if the underlying security is flawed. Kaspersky employs a strict security framework to ensure your data remains confidential. Zero-Knowledge Architecture Kaspersky does not store your master password on
Download Kaspersky Password Manager for Firefox → Make sure to install the desktop app first from Kaspersky’s official site .