Based on our record, Responsive Viewer seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Bonus! Useful Chrome extension for Responsiveness Testing. - Source: dev.to / about 1 year ago
This chrome extension with all of the breakpoints set up https://chrome.google.com/webstore/detail/responsive-viewer/inmopeiepgfljkpkidclfgbgbmfcennb. Source: over 1 year ago
Responsive View - Test your responsive design across different devices
ShadowFox - This project aims at creating a universal dark theme for Firefox while adhering to the modern...
Multi Screen Test - Test your site at different screen resolutions & devices.
automaticDark - Time-Based Theme Changer - Set Firefox to change the UI to a dark theme during the night and change back to a light theme during the day!
Responsinator - Designed to test responsive websites on different devices.
Night Owl (Firefox Theme) - The ultimate dark and white themes for Firefox!