Ensure
Generators

QR Code Generator

Turn any text, URL or Wi-Fi credential into a downloadable QR code.

Higher levels survive more damage but hold less data.

Nothing to encode yet

Enter some text or a network name to see the QR code.

Guides that cover this

Picking an identifier: UUIDs, short IDs and the ones that leak informationWhich UUID version to use, why v4 collisions are not a practical worry, what sequential integers give away, how short ID alphabets trade off, and where random bits belong.

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