ULID Timestamp & Randomness Decoder
Decode 26-character ULID strings into their exact Unix millisecond timestamp, human-readable ISO date, and 80-bit randomness payload in your browser.
1 How to Use ULID Timestamp & Randomness Decoder
- 1. Paste any 26-character ULID.
- 2. View exact creation timestamp and UTC date.
⚙️ Cryptographic Specifications
- Algorithm
- ULID Parser
- 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
Can I extract the creation date from a ULID?
Yes, the first 10 characters of a ULID encode a 48-bit Unix timestamp with millisecond precision.
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