Install zbar-tools by entering the following commands in the terminal:
sudo apt update sudo apt install zbar-tools
Description:
bar code scanner and decoder (utilities)
ZBar is a library for scanning and decoding bar codes from various sources such as video streams, image files or raw intensity sensors. It supports EAN-13/UPC-A, UPC-E, EAN-8, Code 128, Code 39, Interleaved 2 of 5 and QR Code. . This package contains basic applications for decoding captured bar code images and using a video4linux device (e.g. webcam) as a bar code scanner.
Homepage: http://zbar.sourceforge.net/
Version: 0.10+doc-10.1build2
Section: universe/graphics