Yes, Progressive Web Applications (PWA) can be used in all browsers, including Chrome, Firefox, Safari, Edge, and Opera. PWAs use modern web technologies, such as Service Workers and Cache APIs, to create an app-like experience in the browser. We ensure to develop PWA for both desktop and mobile browsers, allowing for a consistent user experience across multiple platforms. Additionally, PWAs are designed to work offline, allowing users to access the app's content even when they have poor or no internet connection.