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node-muid

A JavaScript library for converting between UUIDs and Process Street Muids (i.e. micro UUIDs).

2.1.1
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muid.js Build Status

A JavaScript library for converting between UUIDs and Process Street micro UUIDs ("Muids").

Muids are URL-safe and take up 31.25% less characters than UUIDs while encoding the same amount of information.

Installation

npm install node-muid

Notes

You need to import Muid from the node-muid package to use this library.

import { Muid } from 'node-muid';
var uuid = '19ab5c32-038b-4ba3-841f-b427f65e1943';
var muid = Muid.fromUuid(uuid);
// = 'hB-0J_ZeGUMZq1wyA4tLow'

The fromUuid is case-insensitive (i.e. you can pass 19ab5c32-038b-4ba3-841f-b427f65e1943 or 19AB5C32-038B-4BA3-841F-B427F65E1943 and dash-insensitive (i.e. 19ab5c32-038b-4ba3-841f-b427f65e1943 or 19ab5c32038b4ba3841fb427f65e1943 are treated the same).

A toUuid function is also provided for converting a Muid to a UUID:

var muid = 'hB-0J_ZeGUMZq1wyA4tLow';
var uuid = Muid.toUuid(muid);
// = '19ab5c32-038b-4ba3-841f-b427f65e1943'

Why not just use UUIDs?

The motivation behind Muids is that they take up 22 characters instead of 32. This leads to Muids taking up 31.25% less space in URLs than UUIDs.

License

This library is available under the MIT license.

FAQs

Package last updated on 09 Jun 2025

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