Decode a ULID

Read the timestamp and randomness from a ULID.

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UUID or ULID

💡 Versions 1, 6, and 7 (and ULIDs) embed a creation time, which is decoded above. Versions 4 are fully random and carry no timestamp. Everything is parsed in your browser.

ULID tips

🆔

A ULID packs a 48-bit millisecond timestamp into its first 10 Crockford base32 characters.

🕒

This tool decodes that timestamp to a date and splits out the 80 random bits.

🔤

ULIDs are case-insensitive and URL-safe — paste in any case.

🔒

Everything is decoded locally in your browser.

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Masukkan

Enter your data into the tool above. Everything stays local to your browser.

Proses

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

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Get your result instantly. Nothing is stored after you leave the page — complete privacy.

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Also check out…

🏷️

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🕒

Extract the Timestamp from a UUIDv7

Decode the creation time embedded in a sortable UU

🐞

Debug IDs in Logs and Databases

Quickly understand an unfamiliar identifier you fo

🎓

Learn How UUIDs Are Structured

See the version, variant, and time fields that mak

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