You can use puzzle settings in Meituxiuxiu.

First open Meitu Xiuxiu, click Puzzle, select the QR code image, then click Start Puzzle, select Free, click Customize, select the WeChat dragon head-up image, and then select the QR code image.

QR code (quick response code for short) is a trademark of a matrix barcode (or two-dimensional barcode) first designed for the Japanese automobile industry in 1994. A barcode is a machine-readable optical label that contains information related to the attached item. In fact, QR codes often contain data that leads to locators, identifiers or trackers of websites or applications.