API Key Generator
Generate random API keys in various formats. Secure, random, and ready to use.
About This Tool
Generate random API keys in various formats. Secure, random, and ready to use. All operations are performed entirely in your browser for maximum security. No data is ever sent to any server.
Security Notice: This tool uses
crypto.getRandomValues(), a cryptographically secure random number generator built into your browser.
Frequently Asked Questions
What makes a good API key?
A good API key is at least 32 characters, uses a mix of characters, and is generated with a cryptographically secure random number generator.
Should I use a prefix for my API keys?
Yes. Prefixes like "sk_live_" or "pk_test_" help identify the type and environment of the key.