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UUID v4 Explainer

Paste any UUID and get a visual breakdown of its version, variant, and individual components (timestamp, clock sequence, node, etc).

UUID string

Version

V4Random (RFC4122)

Variant

RFC4122RFC 4122 (standard)

Field breakdown

time_low (32 bits)

550e8400

Bytes: 55 0e 84 00

time_mid (16 bits)

e29b

Bytes: e2 9b

time_hi_and_version (16 bits)

41d4

Bytes: 41 d4

clock_seq_hi_and_reserved (8 bits)

a7

Bytes: a7

clock_seq_low (8 bits)

16

Bytes: 16

node (48 bits)

446655440000

Bytes: 44 66 55 44 00 00

Full UUID (canonical)

550e8400-e29b-41d4-a716-446655440000

Details

✓ Valid UUID v4 (random). Version digit is '4' at position 14, variant bits are '10' at position 19.

How to use UUID v4 Explainer

1Paste your input in the panel above or use the example data if available.
2Choose an action — format, generate, convert, encode, or analyze.
3Your result appears instantly. Use Copy to grab it, or Download if a file option is shown.

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