Generate a Secure API Key

Create random, high-entropy strings for use as API keys, secret tokens, and signing secrets.

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API Keys tips

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API keys should be at least 32 characters of random data. Use all character types (uppercase, lowercase, numbers, symbols) for maximum entropy.

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Store generated API keys in environment variables or a secrets manager — never hard-code them in source files.

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For JWT signing secrets and OAuth client secrets, 64+ character random strings are recommended to prevent brute-force attacks.

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Rotate API keys regularly. Generate a new key, update your application, then revoke the old key — always in that order to avoid downtime.

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The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

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Get your result instantly. Nothing is stored after you leave the page — complete privacy.

✓Completely free — no hidden costs, ever

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✓Files never leave your device

✓No file size limits whatsoever

✓No watermarks on any output

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