Top best password managers for the browser Opera Developer on Windows

Why use a password manager for Opera Developer on Windows

Opera Developer is a cutting-edge, Chromium-based browser that delivers experimental features for web developers and enthusiasts. On Windows, it integrates tightly with the operating system’s security model but still requires you to manage dozens or even hundreds of unique credentials for sites, services and internal tools. A dedicated password manager offers:

• Strong encryption and zero-knowledge storage, ensuring credentials remain private even if the service is compromised.
• Automatic form-filling and login, saving time and preventing phishing by matching exact URLs.
• Cross-device and cross-platform sync, so your Opera Developer profile on Windows, your phone or another desktop stays up to date.
• Secure password generation, avoiding reused or weak passwords.
• Centralized vault management, with secure notes, two-factor code storage and audit tools.

Exhaustive comparisons of password managers

ProtonPass

• Website: proton.me/pass
• Opera Extension: Official Chromium extension installs in Opera Developer via Extensions → Install from Chrome Web Store.
• Encryption: Zero-knowledge, end-to-end AES-256 encryption.
• Sync: Unlimited devices, browser tabs, mobile apps, upcoming Windows client.
• Specialty: Open-source audit trails, privacy-focused Swiss jurisdiction.

Bitwarden

• Website: bitwarden.com
• Opera Extension: Available in Opera Add-ons Store or Chrome Web Store.
• Encryption: Zero-knowledge, AES-256 and PBKDF2.
• Sync: Unlimited across devices, cloud-hosted or self-hosted server option.
• Specialty: Open-source core, rich command-line and Docker support.

LastPass

• Website: lastpass.com
• Opera Extension: Available in Opera Add-ons Store.
• Encryption: AES-256, zero-knowledge vault.
• Sync: Premium tier supports unlimited devices free tier locked to one device type.
• Specialty: Family plans, secure sharing and emergency access.

1Password

• Website: 1password.com
• Opera Extension: Chrome extension compatible with Opera.
• Encryption: End-to-end AES-256-GCM with PBKDF2 hashing.
• Sync: 1Password.com or self-hosted via 1Password Business.
• Specialty: Travel Mode, Watchtower breach alerts, built-in 2FA code storage.

Dashlane

• Website: dashlane.com
• Opera Extension: Chrome/Opera extension supported.
• Encryption: AES-256, zero-knowledge secure tunnel.
• Sync: Unlimited for Premium users.
• Specialty: Built-in VPN, dark web monitoring, automatic password changer on select sites.

KeePass

• Website: keepass.info
• Opera Extension: No official can use KeePassRPC community Chromium add-on.
• Encryption: AES/Rijndael or ChaCha20, open-source.
• Sync: File-based (OneDrive, Dropbox, network share).
• Specialty: Fully free, highly customizable plugins, portable mode.

The best password manager for Opera Developer on Windows

While every solution above brings solid security, ProtonPass stands out for Opera Developer on Windows because:

• First-class Opera support via its Chromium extension, installed directly from the Chrome Web Store or Opera Add-ons.
• Truly unlimited free tier—no hidden device-type or item limits.
• Open-source transparency and Swiss-based privacy safeguards.
• Seamless integration with all Proton services (Mail, Drive, VPN) for a unified privacy ecosystem.
• Frequent security audits, active development and a clear roadmap for a native Windows client.

Get started with ProtonPass today: https://proton.me/pass.