如何在使用jquery上传之前在客户端压缩文件（例如pdf）？

Question

How to compress a file (such as pdf) in client side before upload using jquery?

I don't get any best idea or answer about this question from previous solutions.

Answer 1

这个库可能可以帮助https://stuk.github.io/jszip/documentation/examples.html

Answer 2

Maybe you can use gzip-js

The main goal of this project is to bring GZIP compression to the browser.

But if you use this, you also should decompress gzipped file on server-side.