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Timestamp & UUID

Turn Unix timestamps into readable dates and back, then generate UUIDs.

TIMESTAMP

Current Unix time

Seconds—
Milliseconds—

Ready when you are.

Unix seconds
—
Unix milliseconds
—
ISO 8601 (UTC)
—
RFC 2822 / HTTP date
—
Local time
—
Selected zone
—
Relative
—

Numbers up to 11 digits are seconds; 13 digits are milliseconds, 16 microseconds, 19 nanoseconds. Negative and decimal values work. Dates without a time zone use your local time.

UUID

Version
Format

Ready when you are.

UUID inspector

Paste a UUID to see its version, variant, and time.

v4 is fully random. v7 starts with the creation time in milliseconds, so the IDs sort in order, which keeps database indexes compact. Both use your browser's secure random generator.

Your inputs stay in this browser. These tools do not upload your text or colors.

CAT SETTINGS
HIDDEN SIGNAL

Some familiar corners may glitch into something unexpected.

Signal idle--
PIXEL DETAIL

Applied to every cat portrait.