API Key Generator
Generate URL-safe API key candidates with a recognizable prefix and cryptographically random suffix.
This tool runs entirely in your browser. Your files are never uploaded to a server.
Generated locally with Web Crypto. Store real secrets securely; no browser generator can manage rotation, permissions, revocation, or server-side storage.
What this generator does
Generate URL-safe API key candidates with a recognizable prefix and cryptographically random suffix.
How to use it
Choose the available options, generate the requested count, review the output and copy it when ready.
Output structure
Generate URL-safe API key candidates with a recognizable prefix and cryptographically random suffix.
Example
Prefix sk_test with 32 random characters produces a value shaped like sk_test_V7mK... that is easy to identify by environment.
Randomness and safety
Random values use crypto.getRandomValues rather than Math.random. Outputs are generated independently and validated against the documented shape.
Limitations
The tool creates random text only; it cannot register, hash, authorize, rotate, expire or revoke a key in your API.
Privacy
Generation runs locally in your browser. Inputs, generated keys and mock records are not uploaded or retained by this tool.
Frequently Asked Questions
- API Key Generator: What this generator does?
- Generate URL-safe API key candidates with a recognizable prefix and cryptographically random suffix.
- Randomness and safety?
- Random values use crypto.getRandomValues rather than Math.random. Outputs are generated independently and validated against the documented shape.
- Limitations?
- The tool creates random text only; it cannot register, hash, authorize, rotate, expire or revoke a key in your API.
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