Compare Polypane vs. Sizzy

Create superior websites in a shorter amount of time with a dedicated browser designed to enhance your site's responsiveness, accessibility, and speed. Experience significant time savings on every project, while enjoying the process. This tool boasts robust development features, multiple synchronized viewports, comprehensive full-height screenshots, and an array of over two dozen debugging instruments, along with emulation for various devices and media queries, plus built-in live-reloading capabilities. Whether you're targeting mobile devices or 5K screens, you can view all screen sizes in a single comprehensive layout. It includes over 80 accessibility assessments, 19 distinct simulators, and more than 20 debugging utilities, accommodating both dark and light modes, reduced motion, screen, and print configurations. Say goodbye to the hassle of manual adjustments! Focusing solely on certain devices often overlooks the multitude of screen sizes that your actual users encounter. Utilize Polypane's device options, CSS Breakpoint panes, and flexible sizing to gain a complete and accurate overview. Rather than resizing and testing websites one screen at a time, you can effortlessly manage all your viewports within a unified framework, eliminating the need for tedious browser adjustments. Streamline your workflow and ensure that your designs are optimized for every possible user experience.

Scroll, click, or change to another URL, and every connected device will synchronize. Capture a screenshot of either the current viewport or the full website, with the option to screenshot all devices simultaneously, with or without device framing. The possibilities are endless! Inspecting devices individually can be tedious, which is why Sizzy offers a universal inspection tool that enables you to analyze all devices at once. Sizzy provides the most precise device simulation available, accurately mimicking device frames and the browser and operating system UI, while allowing full customization. You can capture a screenshot of the current viewport or the entire device, and even take screenshots across all devices in one go. Experiment with the interactive buttons; you can conveniently disable network access either per device or for all devices simultaneously. This feature allows you to test your application’s performance for users who might be offline. Additionally, you can effortlessly simulate color scheme preferences, toggling between light and dark modes for all devices or for a single device, enriching your testing experience even further. The seamless integration of these features makes Sizzy an indispensable tool for developers.