Less Pass
Generate strong passwords without storing them, using a master key.
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Use it free
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Self-host it
Run the open-source version on your own infrastructure.
What is Less Pass?
LessPass is an open-source password manager designed to eliminate the need for synchronizing encrypted password vaults. Its core function is to generate unique, secure passwords for individual websites or services using a single master password and site-specific data. Users benefit from a stateless system that does not require cloud storage or server-side encryption, making it ideal for those prioritizing local control. The tool caters to individuals and small teams seeking to avoid the complexities of traditional password managers, such as syncing encrypted data across devices. It addresses the common problem of password reuse and weak security by providing deterministic password generation, ensuring no need for external servers to store or retrieve credentials.
How it works
LessPass is a stateless password manager that generates unique passwords for websites using a master password and site-specific parameters. It does not rely on encrypted vaults or cloud storage, instead using a deterministic algorithm to derive passwords from a single secret. The tool is designed for users who want to avoid the overhead of syncing encrypted data across devices. By focusing on password generation rather than storage, it simplifies the process of creating strong, unique passwords without requiring additional infrastructure. LessPass generates passwords based on a master password, a site identifier, and optional parameters like username or service name. For example, a password for 'example.com' might be derived from the master password and the domain, ensuring uniqueness across accounts.
How to use it
- 1Install the LessPass web extension from the Chrome Web Store or Firefox Add-ons site. 2. Navigate to a website requiring a password and click the password field. 3. Trigger the extension with Ctrl+Shift+L (Windows/Linux) or Command+Shift+L (Mac). 4. Enter the login name and master password, then press Enter. The generated password is automatically copied to the clipboard. Practical tips include using the CLI for batch password generation or scripting. For web extensions, ensure the site is supported and the master password is stored securely.
What it can do
- stateless password manager
Use cases
Assumptions and limitations
Assumptions
- source: https://github.com/lesspass/lesspass
- license: GPL-3.0 — free to use
- privacy: Self-hosted — you control your data
Limitations
- Requires manual input of site-specific details for password generation
- Lacks built-in storage for passwords, relying solely on clipboard or external notes
- Web extensions are limited to Chrome and Firefox, excluding other browsers
- No native mobile app support, restricting accessibility on smartphones
- Deterministic generation may produce predictable passwords if parameters are reused
Understanding the result
Generate strong passwords without storing them, using a master key.
Tool details
- Clearly flagged when a network request is needed.
- No account, no sign-up, and no tracking of your content.
- Powered by (GPL-3.0).
- Built with
- (lesspass/lesspass)
- License
- GPL-3.0
- Runs locally
- No — requires a network request
- Verification
- Not yet verified
- Input
- Query
- Output
- Text
Built with lesspass/lesspass. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.
- Built with
- License
- GPL-3.0
Open-source project
OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.
References
- / — GitHub Repository
Upstream project · GitHub
- GPL-3.0 License
Upstream project
Frequently asked
What is LessPass and how does it differ from traditional password managers?
LessPass is a stateless password manager that generates passwords using a master password and site-specific data, without requiring encrypted vaults or cloud storage. Unlike traditional tools like Bitwarden or 1Password, it does not sync data across devices or store passwords securely. Instead, it focuses on deterministic password generation, making it simpler for users who prioritize local control over centralized storage.
How does LessPass ensure password security without encryption?
LessPass uses a cryptographic algorithm to derive passwords from a master password and site-specific parameters. The generated passwords are deterministic, meaning the same inputs always produce the same output. While this avoids the need for encryption, users must protect their master password and site-specific data (like usernames) to prevent unauthorized password recovery.
How do I generate a password for a specific website using the CLI?
Open a terminal and run the CLI command: `lesspass generate <master_password> <site>` (e.g., `lesspass generate mysecretpassword example.com`). The tool will output a password based on the master password and site name. For additional parameters like usernames, use `lesspass generate <master_password> <site> <username>` to customize the output.
How does LessPass compare to alternatives like Bitwarden or 1Password?
LessPass differs from Bitwarden and 1Password by eliminating encrypted vaults and cloud sync. It prioritizes simplicity and local control, while alternatives offer centralized storage, cross-device sync, and advanced security features like multi-factor authentication. LessPass is better suited for users who prefer deterministic password generation over encrypted vault management.
What should I do if the generated password doesn't work?
Verify that the master password and site identifier are entered correctly. Check for typos or mismatches in the site name. Ensure the web extension is active and compatible with the current browser. If using the CLI, confirm the command syntax and parameters. If issues persist, try clearing the browser cache or reinstalling the extension.