Security
Password ManagerOnline Developer Tool
Securely store and manage passwords with client-side AES-256 encryption. Zero-knowledge vault.
About Password Manager
Securely store and manage passwords with client-side AES-256 encryption. Zero-knowledge vault. Runs entirely in your browser — no installation, no account required to try it.
Key Features
- password manager
- password vault
- secure passwords
- password storage
- encrypted vault
- Runs in your browser — no install
- Free to use, always
How to Use Password Manager
- 01
Open the tool
Click "Use Password Manager Free" above — no download or account required.
- 02
Enter your data
Paste or type your input directly in the browser. Processing happens locally on your device.
- 03
Copy the result
Get your output instantly. Copy it, download it, or keep working in the same tab.
Related Security Tools
Environment ManagerOrganize environment variables by project and environment. Encrypted on your device with AES-256-GCM before sync.Email ValidatorVerify and validate email addresses with MX record checks and RFC 5322 syntax validation.Encryption PlaygroundAES-GCM encrypt and decrypt in the browser with a raw key (hex or Base64) or a passphrase (PBKDF2-SHA256 + AES-GCM). Outputs a small JSON bundle you can copy and decrypt locally—educational and occasionally practical. Nothing is uploaded.JWT DecoderDecode JSON Web Tokens in the browser: header, payload, exp, iat, and nbf. No server upload; signature not verified.

