Yes, Media.io is the best movie maker for free online. It's simple to use and allows you to create movies from raw footage, local videos, or YouTube URLs. After uploading your video, you can trim, cut, split, delete, add background music, apply transitions, add auto-generated subtitles, and more. Also, you can specify the aspect ratio for YouTube, WhatsApp, Instagram Story, Facebook, etc. And what's best, Media.io runs smoothly on any desktop browser.