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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_).

代码生成器
非常强 191 位熵

非常适合 API 密钥和安全令牌。

字符集
生成结果
eGTIYMLJN8dmaHuVOEU28mwEbg7ViVi4
HakuWHx7IDjhGxrvNL6Xttyn7Rs5hUQp

常见问题

API 密钥应该有多长？

建议最少32个字符。从62个字符集中取32个字符可获得约190位的熵——实际上无法被暴力破解。

API 密钥应该包含符号吗？

通常不应该。许多系统在 HTTP 标头或 URL 中传递 API 密钥，符号可能导致编码问题。坚持使用字母数字字符以获得最大兼容性。

sk- / pk- 前缀约定是什么？

像 sk-（密钥）和 pk-（公钥）这样的前缀可以帮助您一眼识别密钥类型，并使日志中意外泄露的密钥更容易被检测到。

相关工具

🔐
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

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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.
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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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