Browser extension for Buttercup, the secure and easy-to-use password manager.

What is Buttercup?
"Buttercup" is a browser extension for Edge that allows you to securely manage your online identities and credentials. It is an open-source, free and secure credentials manager that uses industry-standard encryption techniques to store your details in various locations.
By: MadDev Oy
Users: 729 ▲ 38
Rating: 5.00 (2)
Version: 3.1.0 (Last updated: 2024-03-27)
Creation date: 2020-02-03
Risk impact: High risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 3
  • clipboardWrite
  • storage
  • tabs
  • unlimitedStorage
Size: 3.38M
Stats date:

Other platforms

Buttercup (v3.2.0)
3.52 (33) 4,000
Not available on Firefox
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Manage your online identities and credentials with Buttercup: An open-source, free and secure credentials manager. Buttercup uses the strongest industry techniques to encrypt and store your details in a variety of locations of your choosing. Use Google Drive, Dropbox or WebDAV to remotely access your vault, or use a local file on your computer. Save new logins to your secure archives.

This extension requires the Buttercup desktop application to work. Your vaults are conveniently already unlocked when they're open in the desktop application, so no need to unlock them twice.

User reviews
by 子昂, 2022-05-25

I really like Buttercup's approach to handling credentials management! It definitely deserves to be more well known
by John, 2022-05-20
View all user reviews
Risk impact

Buttercup is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Buttercup if you trust the publisher.

Risk likelihood

Buttercup is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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