ULID / NanoID Generator
Generates ULIDs (sortable, timestamp-prefixed identifiers) or NanoIDs (compact, URL-safe random identifiers) in bulk as a modern alternative to UUIDs.
ULID / NanoID Generator — Free Online Tool
Generates ULIDs (sortable, timestamp-prefixed identifiers) or NanoIDs (compact, URL-safe random identifiers) in bulk as a modern alternative to UUIDs.
How to use the ULID / NanoID Generator
- Open the tool above — it runs entirely in your browser, so your input never leaves this page.
- Paste or type your input into the field, then press the relevant button (e.g. Encode / Decode, Generate, or Convert).
- Copy the result from the output area with the copy button orCtrl/Cmd + C.
- No signup, no upload, and no tracking — repeat as often as you need.
Frequently asked questions
Is the ULID / NanoID Generator free to use?
Yes. The ULID / NanoID Generator is completely free, with no signup, no ads inside the tool, and no hidden limits.
Does the ULID / NanoID Generator upload my data?
No. The ULID / NanoID Generator processes everything locally in your browser. Your input is never sent to a server, so it stays private even on shared devices.
Does the ULID / NanoID Generator work offline?
After the page loads, the ULID / NanoID Generator runs entirely in your browser, so it keeps working without a network connection.
Free & private — why use this ULID / NanoID Generator
The ULID / NanoID Generator runs 100% client-side in your browser. Your data is never uploaded to a server, no account is required, and the tool is completely free. It works offline once the page has loaded and is part of a growing collection of privacy-first developer utilities.