Safari Technology Preview
Safari Technology Preview is a standalone development browser for macOS that allows developers to test upcoming web standards, layout engines, and JavaScript implementations before public release. It includes the latest version of the WebKit rendering engine, an updated Web Inspector, Responsive Design Mode, and debugging utilities. Updates are released bi-weekly to help developers optimize web applications for upcoming Apple platform capabilities.
Checked on Oct 18, 2026.
Alternative resources
Responsively App
A developer tool that displays web pages across multiple devices simultaneously for responsive testing and layout verification.
Vue DevTools
Browser extension and standalone app for inspecting Vue.js component trees, states, and relationships.
Web Developer
A browser extension that adds a comprehensive toolbar of web development tools to Chrome, Edge, Firefox, and Opera.