UUID v5 (Namespace SHA-1) Generator
Generate deterministic name-based UUID v5 identifiers using SHA-1 hashing of a namespace (DNS, URL, OID) and name string in your browser.
1 How to Use UUID v5 (Namespace SHA-1) Generator
- 1. Select namespace (DNS, URL).
- 2. Enter name string.
- 3. Copy deterministic UUID v5.
⚙️ Cryptographic Specifications
- Algorithm
- RFC 4122 v5
- Execution Engine
- Web Cryptography API (SubtleCrypto)
- Environment
- Client Browser Sandbox
- Network Telemetry
- 0 Bytes (Zero Server Transmission)
🛡️ Security & Compliance
Enterprise developers can safely execute this tool with production secrets. Because execution takes place entirely within your browser's local V8 JavaScript runtime, no payloads are transmitted over HTTP, cached on third-party proxies, or stored in server logs.
Verified Safe for SOC2, HIPAA, and GDPR developer compliance audits.
Frequently Asked Questions
What is a deterministic UUID?
Given the same namespace and input string, UUID v5 will always generate the exact same identifier across all programming languages.
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