Key Generator

Generate random, cryptographically secure keys

Generation options

Length (characters)

Character types

Uppercase

Lowercase

Digits

Special characters (customizable)

Leave empty to exclude special characters

Excluded characters (customizable)

These characters will be removed from the pool

Batch size

Up to 1000 at a time; results are always unique

Key preview

Generated with cryptographically secure randomness (Web Crypto) — suitable for API keys, tokens, salts or one-time passwords.

使用说明

Generate strong random passwords, API keys or tokens with customizable length and character set.

Set the length and whether to include upper/lowercase letters, digits and symbols.

Remove 0/O, 1/l/I, etc. to make manual copying and reading easier.

Generation happens locally and never leaves your browser; distribute results over a secure channel.