Simplify documentation and avoid heavy tools. Open source Visio Alternative. Commonly used for explaining your code! Mermaid is a simple markdown-like script language for generating charts from text via javascript.
在线视频解析
在线图片转文字，免费OCR，在线图片文字提取
m3u8 视频在线提取工具
视频转成gif动图
这里可以实现关于 PDF 的一系列操作，当然也包括将 PDF 转为 PPT。Smallpdf - the platform that makes it super easy to convert and edit all your PDF files. Solving all your PDF problems in one place - and yes, free.
