Animista is a great tool for creating custom CSS animations with various effects. Customize any animation in their collection, including a background, exit, text, etc
Responsinator is easy to use and free. The tool shows you the most popular screen sizes and shapes for your webpage when you enter the URL of your page.
By using this tool, you can extract elements’ id, class, and inline styles from an HTML document and output them as CSS stylesheets.
4. Meta Tags
The Meta Tag is a tool for debugging and generating meta tags for any website. Best for doing SEO.
With this tool, you can check out other sites’ themes, plugins, and server information. WhatRuns is compatible with Chrome and Firefox.
For creating linear gradients for your website, Grabient offers an easy-to-use UI. Choose your color and adjust the angles as necessary.
8. Google DevTools Device Mode
For developers, Google DevTools Device Mode provides an easy way to simulate mobile devices within the Chrome browser.
10. Browser Stack
Browser Stack is one of the top testing tools on the market, offering a full range of feature set.