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UUID 格式转换器

在标准、花括号、URN、无连字符、Base64 和整数格式之间转换 UUID

UUID Format Converter

Generate or paste a UUID to see all formats

All Formats

Standard (lowercase)
58f0ca59-5790-4d20-b1b9-8c0469162235
Uppercase
58F0CA59-5790-4D20-B1B9-8C0469162235
No Hyphens
58f0ca5957904d20b1b98c0469162235
With Braces
{58f0ca59-5790-4d20-b1b9-8c0469162235}
URN
urn:uuid:58f0ca59-5790-4d20-b1b9-8c0469162235
Base64
WPDKWVeQTSCxuYwEaRYiNQ==
Base62 (short)
2HPmI5cE3Obfo5GeoIHQXP
Integer (BigInt)
118222319000267002251136963461430780469
Version
v4
Variant
RFC 4122 (standard)

UUID v4 Structure (128 bits)

Bytes 0–3 (time_low)

01011000 11110000 11001010 01011001

Bytes 4–5 (time_mid)

01010111 10010000

Bytes 6–7 (version + time_hi)

01001101 00100000

Bytes 8–9 (variant + clock_seq)

10110001 10111001

Bytes 10–15 (node)

10001100 00000100 01101001 00010110 00100010 00110101

• Bits 48–51 (byte 6, high nibble): Version = 4

• Bits 64–65 (byte 8, high bits): Variant = 10xx (RFC 4122)

• Remaining 122 bits are cryptographically random (v4)

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