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Generate API Keys and Tokens

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

Engin innskráning krafist

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UPPERCASEWrap in {}

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.

📋

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.

Ferli

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

Sækja

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

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