douyin-video 是做什么的?
TikTok watermark-free video download and caption/transcript extraction tool. Get watermark-free video download links from TikTok share links, download videos, extract speech text from videos and automatically save to a file. Use cases include getting TikTok video information, downloading watermark-free videos, and batch extracting video captions. Triggered when a user needs to process a TikTok video link or extract video content.