PDF 压缩or
通过重建文档和重新编码图片来减小 PDF 文件大小。诚实的客户端压缩，在浏览器中，无需上传。
Drop a PDF or 浏览文件
How PDF compression works here
- Drop the PDF you want to shrink.
- Pick a method — lossless rebuild, or JPEG re-encoding for the smallest file.
- 下载 the compressed PDF and compare the size savings.