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Quick Look

C2 Password is a secure, free browser extension and password manager that securely stores, syncs, and safeguards your login credentials across all your devices, offering autofill and password generation features.

AI Overview

Who is this for?

Individuals seeking a secure and convenient way to manage their online passwords and personal information.

Key Features

  • Securely stores and syncs credentials across unlimited devices
  • Automatically fills login forms and saves new passwords
  • Generates strong, unique passwords for enhanced account security
  • Encrypts data locally before it leaves the device

Reviews Analysis

Overall Sentiment

Mostly Positive

Users appreciate C2 Password for its strong security, autofill capabilities, and cross-device syncing, although some find the initial setup or integration could be smoother.

Note: AI analysis focuses on the substance and recency of reviews, which may differ from the overall store rating.


What Users Love

  • Strong security and data encryption
  • Convenient autofill and auto-save features
  • Seamless syncing across multiple devices

Points to Consider

  • × Occasional user interface issues reported
  • × Might require a learning curve for some features

Official Description

From the Developer


A highly secure password management solution to store, sync, and safeguard your credentials.

A highly secure and free password management solution for protecting your passwords and personal information.

C2 Password lets you sync your credentials across an unlimited number of devices and access them from anywhere via the web portal, app, and browser extension.

All the data you upload is encrypted before leaving your device, so you can rest assured that no one but you can access your data.

This extension is useful in many ways: âœī¸ Autofill logins - Automatically fill in usernames and passwords when signing in to websites. 💾 Auto-save passwords - Automatically save new passwords, usernames, and updates to saved passwords when signing in or creating new online accounts. 🆕 Generate unique passwords - Create a strong and random password for every website to increase account security. 📝 Autofill form data - Click payment and personal information in the extension to fill them in when shopping online.

Save time while keeping your data safe. Get started with C2 Password today!

đŸ”Ĩ Get the most out of your extension: https://kb.synology.com/C2/tutorial/Get_started_with_C2_Password_extension â„šī¸ For more information: https://c2.synology.com/password/overview 🔒 Privacy Policy: https://www.synology.com/company/legal/privacy đŸ’Ŧ Feel free to post any questions you have in Synology Community: https://community.synology.com/enu/forum/4

Your extension? Let us know if we can update or correct anything!

Key Info

  • Rating:
    4.5/5.0

    (220 ratings)

  • Users:30,000
  • Version:2.30.11
  • Updated:Jul 24, 2025

Stats from Chrome Web Store