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Tools / Security

Secure Password Generator

Generate random strong passwords in your browser with configurable length, symbols, numbers and uppercase letters. No tracking or server upload.

Uses your browser's cryptographic random generator. Results are never transmitted or saved by this tool. Avoid saving generated secrets on shared devices.
Character groups

Estimated selection entropy: 129 bits. Approximate information content under independent uniform choices, not a security guarantee.

Generated only on demand. Refreshing or leaving the page discards this result.

What is Secure Password Generator?

A password generated with a cryptographically secure random source is less predictable than a human-chosen pattern. Choose a unique password for every account and store it in a reputable password manager. Longer random passwords are generally harder to guess.

How to use this tool

  1. Choose a length between 8 and 256 characters, ideally 20 or more.
  2. Enable the character groups permitted by the target service.
  3. Generate, reveal if needed, and copy the result into a trusted password manager.

Example

Example pattern: 20 independently randomized characters (actual passwords are generated only in your browser).

Related developer tools

Random Passphrase GeneratorSHA-256 Hash Generator