Website Checker Tech - WebsiteChecker.Tech is SaaS tool that detects SEO and availability issues of your website, making it easier for you to fix them.
CONV. - Convert YouTube video to MP3, GIF or MP4
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Softorino YouTube Converter - Download YouTube video & audio. Watch and listen offline
Sitechecker - All-in-one SEO platform including rank tracker, website SEO audit tool and website changes monitoring. Detailed reports by 100+ parameters with how-to-fix guides.
You-Get - Command-line utility to download media contents from the web