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API Key Generator

Generate long, high-entropy API keys suitable for authenticating services and applications. Supports custom prefixes for easy identification (e.g. sk-, pk-, live_).

代碼生成器
非常強 191 位元熵

非常適合 API 金鑰及安全憑證。

字元集
生成結果
cNcPpyE5E1AxvL7HSSHdZ52zQAIxt12B
By0nONcGCqy2VQGogvKjpurgfUoWbhg1

常見問題

API 金鑰應該有多長？

建議最少32個字元。從62個字元集中取32個字元可獲得約190位的熵——實際上無法被暴力破解。

API 金鑰應該包含符號嗎？

通常不應該。許多系統在 HTTP 標頭或 URL 中傳遞 API 金鑰，符號可能導致編碼問題。堅持使用字母數字字元以獲得最大相容性。

sk- / pk- 前綴慣例是什麼？

像 sk-（密鑰）和 pk-（公鑰）這樣的前綴可以幫助您一眼識別金鑰類型，並使日誌中意外洩露的金鑰更容易被偵測到。

相關工具

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Password Generator
Strong, random passwords in one click.
🪪
Token Generator
Random auth tokens and session tokens.
🛡️
Secret Key Generator
Encryption keys and JWT secrets.

Further Reading

🔑
API Key vs Session Token vs Access Token: What's the Difference?
Three kinds of secret string that all sound similar and do genuinely different jobs. Here is what actually separates them.
🎲
True Randomness vs Pseudo-Randomness: Why It Matters for Code Generation
Not all randomness is equally random. Here is the real difference between a cryptographically secure generator and the everyday kind.
✍️
What Is a JWT Secret? (And How It Differs From an API Key)
A JWT secret signs and verifies tokens, an API key identifies an application. Here's what actually separates them, and what happens if the secret leaks.
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