Security & Crypto Tools
ULID Generator
Generate ULIDs and decode the timestamps embedded in them.
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What is ULID?
A ULID tool: generate lexicographically sortable identifiers or decode an existing ULID's 48-bit millisecond timestamp.
How it works
Generation combines the current timestamp with 80 random bits, encoded in Crockford Base32; decoding reverses the timestamp portion to a date.
- Enter your input. Type or paste your input into the field above — the tool responds instantly.
- Review the result. Output updates live as you type. Everything runs entirely in your browser.
- Copy or download. Use the Copy button to grab the result, or Download to save it as a file.
Examples
Realistic sample
Paste or type any realistic input — the tool computes the result locally and instantly.
Common mistakes
Expecting a server round-trip
Nothing is uploaded — every tool in this category runs entirely in your browser.