This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
cobalt
cobalt.tools
did:plc:xknqtjvog3dk5aklxmu6d76c
cobalt wasn't able to save youtube videos for a few hours, but it's fixed now! less formats though, so if you don't get 4k videos, try enabling HLS in video settings
it's more of a bandaid fix, but it works for now ¯\_(ツ)_/¯
cobalt.tools
https://cobalt.tools
2025-03-14T03:38:54.749Z