About the Password Generator
Create a cryptographically random password without sending it to a server. Pick length and character types.
Formula or method
Your browser generates random bytes and selects characters from the allowed groups, ensuring each enabled group appears at least once.
Worked example
Choose 20 characters with uppercase, lowercase, digits and symbols, then copy the output into a password manager.
How to use the tool
Start with the example values above, then replace each input with your own figures. The results update immediately. Review the units, denominators, and assumptions before using any number in an important decision.
Assumptions and limitations
Do not reuse passwords or send them in messages. Your browser must support secure random generation.
Frequently asked questions
Does ToolMosaic keep my passwords?
No. The generated result is held in the browser component and is not sent to a ToolMosaic account or calculation API.
Privacy and support
Your inputs are processed locally in your browser. ToolMosaic does not upload or store the values you enter in this tool. Our tools are free, and we appreciate your support.