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Generate API Keys and Tokens

Create unique, random identifiers for API keys, session tokens, and secret references.

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Click Generate to create UUIDs

UUID v4 uses 122 random bits — the chance of a collision between two UUIDs is astronomically small.

Generated with crypto.getRandomValues — cryptographically secure, never sent to a server.

APIs tips

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UUIDs make decent API key templates — 122 bits of randomness. For production secrets, combine with a hashing layer (e.g. SHA-256 + prefix).

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Format: use the UUID as the stored hash basis, strip hyphens for compactness, and prefix with your service name (e.g. sk_live_550e8400...).

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Generated with crypto.getRandomValues — the same cryptographic API used in browser-based key generation. Not predictable or guessable.

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Generate in uppercase for readability in dashboards and support tickets. Uppercase UUID format is equally valid and often easier to read.

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Enter your data into the tool above. Everything stays local to your browser.

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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.

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