A Wi-Fi analyzer is a tool that helps users assess the performance and quality of their wireless networks. It scans for available Wi-Fi networks, measures signal strength, and identifies potential interference from other devices. This information can help users optimize their network settings for better connectivity. These analyzers can be software applications or hardware devices. They provide insights into channel usage, network speed, and security settings. By using a Wi-Fi analyzer, individuals can troubleshoot connectivity issues and enhance their overall internet experience.