Best password managers for the browser Opera Stable on Linux (Debian)

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Why use a password manager for Opera Stable on Debian Linux

Storing and managing dozens or even hundreds of unique credentials by hand is error-prone, insecure, and time-consuming. Opera Stable on Debian Linux offers a built-in password vault, but it lacks many advanced features found in dedicated password managers. A third-party solution provides:

  • Stronger security: Zero-knowledge encryption, end-to-end protection and audited codebases that keep your data safe even if the vendor’s servers are compromised.
  • Cross-platform syncing: Seamless access to credentials across Linux desktops, Windows, macOS, Android and iOS.
  • Auto-fill and capture: Automatic login form completion and one-click password capture on sites and apps.
  • Secure sharing: Encrypted password sharing with friends, family or team members without exposing plaintext credentials.
  • Secure password generation: Customizable, high-entropy password creation to replace weak or reused passwords.
  • Multi-factor support: Built-in TOTP management or integration with hardware keys (YubiKey, SoloKeys).

Comparisons of top password managers

Manager Official Site Opera Extension Browser Integration Encryption Features Pricing
Proton Pass proton.me/pass Yes (via Chrome Web Store on Opera) Auto-fill, auto-capture, TOTP, secure sharing End-to-end AES-256, zero-knowledge, open source components Free tier from €4/month for Premium
Bitwarden bitwarden.com Yes (official Opera add-on available) Auto-fill, capture, TOTP, self-hosting option AES-256, PBKDF2, open source Free Premium €10/year
LastPass lastpass.com Yes (Opera extension in store) Auto-fill, capture, TOTP, security dashboard AES-256, zero-knowledge Free from 3/month for Families
1Password 1password.com Yes (Chrome extension works on Opera) Auto-fill, capture, Watchtower, Travel Mode AES-256, secret key, zero-knowledge From 2.99/month (individual)
Dashlane dashlane.com Yes (Opera extension in Chrome store) Auto-fill, capture, VPN, dark web monitoring AES-256, zero-knowledge Free Premium from 3.99/month
KeePassXC keepassxc.org Via KeePassXC-Browser (Chrome extension works) Auto-fill, manual entry, local database AES-256, ChaCha20, open source Free, open source
NordPass nordpass.com Yes (Opera add-on in store) Auto-fill, capture, share, breach scanner XChaCha20, zero-knowledge Free Premium from 2.49/month
RoboForm roboform.com Yes (Opera extension available) Auto-fill, capture, form filling AES-256, PBKDF2 Free Everywhere plan 24.95/year

Notes:

  • Most Chromium-based extensions (Chrome Web Store) work on Opera Stable once “Install Chrome Extensions” is enabled.
  • Open-source options like Bitwarden and KeePassXC offer maximum auditability hosted solutions provide turnkey syncing.
  • Features such as VPN, dark-web monitoring or secure file storage vary by vendor and plan tier.

Proton Pass: The best choice for Opera Stable on Debian

Why Proton Pass stands out

  • Native Linux support: Official desktop Alpha for Linux complements the browser extension.
  • First-class Opera integration: Install from Chrome Web Store full auto-fill, auto-capture and password import.
  • Strong privacy stance: Swiss-based, zero-knowledge, no data mining or ads.
  • End-to-end encryption: All vault data encrypted locally with AES-256 before syncing.
  • Multi-factor support: Built-in TOTP generator, U2F and WebAuthn hardware key support.
  • Transparent development: Regular audits and open-source components.

Features overview

  • Password vault: Store unlimited logins, secure notes and payment cards.
  • Auto-fill capture: Detects new logins and secure forms in Opera Stable.
  • Secure sharing: Share vault items with other Proton users or via time-limited links.
  • Password generator: Custom length, charset, pronounceable options.
  • Vault health: Breach monitoring, password strength reports.

Getting started

  1. Sign up or log in at proton.me/pass.
  2. Enable “Install Chrome Extensions” in Opera’s Add-ons > Extensions.
  3. Install Proton Pass from the Chrome Web Store.
  4. Log in to the extension, import existing passwords or create new ones.
  5. Install the Linux desktop client (optional) for offline access.

Pricing

  • Free tier: Unlimited passwords, TOTP, browser extensions.
  • Premium: From €4/month for secure sharing, advanced vault health, priority support.
  • Family and Business plans available with shared vaults and admin controls.

Conclusion

For Opera Stable on Debian Linux, Proton Pass delivers robust security, seamless Opera extension support and the privacy guarantees of a zero-knowledge vault. Its combination of native Linux tools, Chrome-extension compatibility and Swiss-based privacy make it the top pick for power users and privacy advocates alike.

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