UUID Validator
Validate UUIDs and check their versions. Supports UUID v1, v4, and other versions with detailed validation results.
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Enter UUIDs and click "Validate UUIDs" to see results
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UUID Versions
🕐 UUID v1
Time-based with MAC address
Format: xxxxxxxx-xxxx-1xxx-yxxx-xxxxxxxxxxxx
Generated from timestamp and MAC
🔢 UUID v4
Random numbers
Format: xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx
Most commonly used version
📝 Other Versions
v2: DCE Security
v3: MD5 hash namespace
v5: SHA-1 hash namespace