API Key Generator

Generate strong random API keys with prefixes

API Key Generator

Generate strong random API keys with prefixes

Prefix (optional)

Number of segments

Characters per segment

Character set

Number of keys

Keys are generated locally in your browser. Never commit generated keys to code or config files, and rotate them in production if they are ever exposed.

Privacy: API Key Generator runs completely in your browser. Your input never leaves your device.

API Key Generator FAQ

Is API Key Generator free to use?

Yes, this tool is completely free. There are no fees, subscriptions, or limits — open the page and use it as much as you like.

Does API Key Generator upload my data?

No. API Key Generator runs entirely in your browser on your own device. Your text and numbers never leave your computer.

Does API Key Generator work on mobile?

Yes. The tool is fully responsive and works on Android, iPhone, tablets, laptops, and desktop computers.