FreeTool
Sécurité

UUID Formats Converter

Convert UUIDs between standard, braces, URN, no-hyphens, Base64, and integer formats

UUID Format Converter

Generate or paste a UUID to see all formats

All Formats

Standard (lowercase)
10c4e79a-4f23-4453-8cfe-c09f7cb356ad
Uppercase
10C4E79A-4F23-4453-8CFE-C09F7CB356AD
No Hyphens
10c4e79a4f2344538cfec09f7cb356ad
With Braces
{10c4e79a-4f23-4453-8cfe-c09f7cb356ad}
URN
urn:uuid:10c4e79a-4f23-4453-8cfe-c09f7cb356ad
Base64
EMTnmk8jRFOM/sCffLNWrQ==
Base62 (short)
vDRv6tT5rC0ghGONe2skR
Integer (BigInt)
22290035579078901755961946770586687149
Version
v4
Variant
RFC 4122 (standard)

UUID v4 Structure (128 bits)

Bytes 0–3 (time_low)

00010000 11000100 11100111 10011010

Bytes 4–5 (time_mid)

01001111 00100011

Bytes 6–7 (version + time_hi)

01000100 01010011

Bytes 8–9 (variant + clock_seq)

10001100 11111110

Bytes 10–15 (node)

11000000 10011111 01111100 10110011 01010110 10101101

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)

Vous ne trouvez pas ce qu'il vous faut ?

Nous créons des outils gratuits grâce aux retours de la communauté. Proposez l'utilitaire qui vous manque !