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UUID Generator

Bulk UUID v4 from the system CSPRNG.

Amount Uppercase Wrap in braces

UUID v4

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Uses crypto.getRandomValues, so the values are suitable for identifiers in production — not just for filling a test table.

Other tools

MD5, SHA-1, SHA-256 and SHA-512 from any text.

Sign a message with a shared secret.

Password Generator

Strong passwords with a live entropy estimate.

Placeholder copy in paragraphs, sentences or words.