Password Character Set Calculator

Combine lowercase, uppercase, digits, symbols, and optional custom characters and inspect the resulting unique character pool.

Lowercase

Uppercase

Digits

Symbols

Custom characters

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Sensitive values stay in this browser page. Theoretical entropy/search-space math assumes uniform random generation and is not a crack-time promise for human-chosen passwords. Use a reputable password manager for real account storage.

How to use this Password Character Set Calculator

Calculate the unique alphabet size produced by selected password character sets. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.