API Key Generator

Create random API keys locally with configurable length and character sets. No network calls.

Settings

Length

Grouping (characters)

Use 0 for no dashes

Character set

Prefix (optional)

API Key

Keys are generated locally using secure randomness (crypto.getRandomValues). Nothing is sent or stored.

Secure randomness

Uses crypto.getRandomValues for high-entropy keys.

Choose length, character set, grouping with dashes, and optional prefix.

Generation is fully local. Keys never leave your browser.