Function introduction:

1. Identify a variety of QR codes, barcodes, data matrix, PDF417, etc

2. Diy QR Code: input any string to diy QR code

3. diy QR code can be saved to history or shared

4. Diy QR code will be automatically saved to the history, and the history supports sharing and viewing details

5. Customize PDF, select one or more arbitrary pictures, and automatically generate PDF file

6. PDF reader: can read any PDF file in the mobile phone