The legality of using converters like 9Converter is often a "gray area" that varies by jurisdiction:

As a web application, it is fully compatible with modern browsers across PC and mobile platforms.

The tool claims to provide high-quality conversions, often allowing users to choose their preferred resolution or bitrate.

Many free converters rely on aggressive pop-up ads or redirects to generate revenue, which can sometimes lead to phishing sites.

9Converter: A Comprehensive Guide to Online Video Conversion