Buttercup

Name: Buttercup
Rating: 3.55 (38 reviews)
Author: Vault Garden

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

As of May 2026, Buttercup has 3,000 users and a 3.55/5 rating from 38 reviews in the Privacy & Security category.

Vault Garden Privacy & Security★ Featured

Chrome Web Store ↗.crx

Users0%

3.0K

3,000

Rating−1.1%

3.55

38 reviews

Reviews−2.6%

Version

3.2.0

Manifest V3

History

2 snapshots

Tracking since Apr 29, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 29, 2026	3.0K	3.59	39	3.2.0
May 26, 2026	3.0K	3.59	39	3.2.0
Now	3.0K	3.55	38	3.2.0

Permissions & access

Permissions: clipboardWritestoragetabsunlimitedStorage
Host access: None declared

Screenshots

About

Manage your online identities and credentials with Buttercup: An open-source, free and secure password manager. Buttercup uses the strongest industry techniques to encrypt and store your details in a variety of locations of your choosing. Use Dropbox, Google Drive or a WebDAV connection to remotely host your archive for high accessibility. You can also connect local files - all via the Buttercup desktop application (required for this extension).

Buttercup's browser extension allows you to easily log in to all of your online profiles and sites, is extremely secure, is easy to use and completely free of charge. We collect no data about you or any activities you perform. Keep your master password safe as it is the only way to open your archive and access your credentials.

Newly detected logins will cause the extension to prompt you to save them - add all of your online authentication details to keep your accounts safe!