以下是官网的介绍（总结：零广告，零废话，零追踪，只需复制粘贴）
cobalt is your go-to place for downloads from social and media platforms. zero ads, trackers, or other creepy bullshit. simply paste a share link and you’re ready to rock!
支持的平台
• bilibili.com & bilibili.tv
• dailymotion videos
• instagram posts & reels
• loom videos
• ok video
• pinterest (all media)
• reddit videos & gifs
• rutube videos
• soundcloud
• streamable.com
• tiktok videos, photos & audio
• tumblr video & audio
• twitch clips
• twitter videos & voice
• vimeo
• vine archive
• vk video & clips
• youtube videos, shorts & music