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Generate strong passwords using the browser Web Crypto API. No data is sent over the network: the password is created locally and displayed once.
Free, no account required, browser processing and no server upload.
Adjust length and character types, then regenerate if the result does not suit.
104 bits of estimated entropy.
Generated password
Generate strong passwords using the browser Web Crypto API. No data is sent over the network: the password is created locally and displayed once.
Estimated cracking time
8 chars
Lowercase + digits
A few minutes
10 chars
Letters + digits
Several months
12 chars
All types
Thousands of years
16 chars
All types + symbols
Billions of years
A 12-character random password (upper + lower + digits + symbols) is considered secure for 2026. Use a password manager so you never have to remember them.
Generate secure password helps you complete this task directly in your browser. You keep control of your data and get the result locally.
Yes. Generate secure password is free to use and runs in your browser without sending files or content to Lmaotools servers for processing or storage.
No. Files and content added to the tools are processed in your browser. They are not sent to Lmaotools servers for conversion or storage.
No. Open the tool, add your file or content, then get the result. Processing happens locally in your browser.