KeeperPass 作者： Vironautics
Browser extension for KeeperPass password manager
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KeeperPass is a password manager with no server and no company database.
When you sign in with your Google account, KeeperPass encrypts your entire vault right inside your browser and saves the result as one file in a folder inside your own Google Drive. Google only ever sees ciphertext — it can store the file, but it cannot read it.
How it works:
- Sign in with Google using one narrow permission (drive.file), which only lets KeeperPass see files it creates itself.
- KeeperPass creates one folder, "keeperpass", with one file: vault.json.enc.
- You choose a master secret. It never leaves your device and is never sent anywhere — it's used locally to derive an encryption key.
- Every change re-encrypts the whole vault with AES-256-GCM, using a key derived with Argon2id.
Features: autofill and quick access from your browser toolbar, TOTP codes, a password generator, tags, multiple vaults, CSV import/export, and a security report that checks your passwords against Have I Been Pwned using k-anonymity (only a few characters of a hash ever leave your browser).
No company database to breach — each vault lives in its owner's own Google Drive, not on a KeeperPass server. Revoke access in one click from your Google Account and it's gone instantly.
When you sign in with your Google account, KeeperPass encrypts your entire vault right inside your browser and saves the result as one file in a folder inside your own Google Drive. Google only ever sees ciphertext — it can store the file, but it cannot read it.
How it works:
- Sign in with Google using one narrow permission (drive.file), which only lets KeeperPass see files it creates itself.
- KeeperPass creates one folder, "keeperpass", with one file: vault.json.enc.
- You choose a master secret. It never leaves your device and is never sent anywhere — it's used locally to derive an encryption key.
- Every change re-encrypts the whole vault with AES-256-GCM, using a key derived with Argon2id.
Features: autofill and quick access from your browser toolbar, TOTP codes, a password generator, tags, multiple vaults, CSV import/export, and a security report that checks your passwords against Have I Been Pwned using k-anonymity (only a few characters of a hash ever leave your browser).
No company database to breach — each vault lives in its owner's own Google Drive, not on a KeeperPass server. Revoke access in one click from your Google Account and it's gone instantly.
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Source code: https://github.com/vironautics/keeperpass