Guides
Step-by-step guides for WiFi QR codes — how to decode, scan, generate, and share.
PDF417 Barcode Decoder Online — Driver's License, Boarding Pass, ID Cards
Need to decode a PDF417 barcode from a driver's license, boarding pass, or event ticket? This guide explains what PDF417 is, what data it holds, and how to decode it instantly in your browser — nothing uploaded, nothing stored.
Decode QR Code from Image Online — All Formats Explained
Need to decode a QR code from an image file? This guide covers every format — QR codes, barcodes, PDF417, Data Matrix, and more — and shows you exactly how to extract the data in seconds using a browser-based tool.
QR Code Decoder Python Tutorial — Read Any QR or Barcode from an Image
Learn how to decode QR codes and barcodes in Python using pyzbar, zxingcpp, and OpenCV. Covers static images, webcam scanning, WiFi QR parsing, and batch processing — with working code examples.
How to Create a WiFi QR Code for Your Home or Business
Create a WiFi QR code in seconds — no account needed. This guide walks you through generating a code for your home, Airbnb, café, or office and printing it so guests can connect with one tap.
WiFi QR Code Not Working? How to Scan on Windows and Mac
WiFi QR code won't scan? Here are the most common reasons it fails on Windows and Mac — and how to fix each one in under a minute.
ZXing Decoder Online — The Modern Alternative to zxing.org
Looking for a ZXing decoder online? WifiQRScan uses ZXing compiled to WebAssembly — the same battle-tested library, but faster, privacy-safe, and running entirely in your browser. No Java, no server uploads.
How to Get Your WiFi Password from a QR Code
Have a WiFi QR code but need the actual password text? This guide shows you how to extract the plain-text password from any WiFi QR code — useful for smart TVs, gaming consoles, and devices that can't scan QR codes.
How to Decode a WiFi QR Code on a Laptop or PC (No App Needed)
Stuck with a WiFi QR code and only your laptop? Here are 4 ways to decode it instantly — paste a screenshot, upload a photo, use your webcam, or input a URL. No app or account required.
How to Share WiFi with a QR Code
WiFi QR codes let guests connect instantly—no typing required. Learn how to create a WiFi QR code, share your network securely, and troubleshoot common issues.