A Web-Based System for QR Code Flag Identification and DecodingWith Python and Flask

The flag-identifying tool based on QR codes here is fresh and made exclusively for a Kali Linux environment, developed in Flask for the Web. Most of them are the traditional or default QR code scanners, it's a complete zbarimg-tool, which is available as a native tool in many Linux Flavors, so it is most compatible and performs better in a Kali setup as compared to its counterparts. The tool simply does QR code reading from a very particular local machine folder along a very organized, systematic approach in handling images. Users will upload images containing QR codes over a web interface, while app.py works to process the images, decode the data, and ultimately reveal Capture The Flag (CTF) lying within the images. Indeed, only the relevant flags would return, thus saving on the user time during a CTF or cybersecurity training session. Taking advantage of native command-line utilities makes the project an offering that is indeed innovative and a first in the field of QR-code flag output extraction. This organized structure affords the tool orderly file storage and processing, a strong and scalable solution to a lover of cybersecurity and a professional. Well, this QR flag decoder is up and coming, as it emphasizes simplicity, accuracy, and using Linux-native utilities-a really big leap forward in automated QR decoding for CTF challenges and beyond.