Hi, coders from Codeforces. I am here to release yet another (useless) Chrome extension. It's called CP Jumper.

It allows you to jump between different versions of a problem. It currently supports Codeforces and Atcoder.

For Codeforces, jump between the contest version(/contest/1/problem/A), the problemset version(/problemset/problem/1/A), vjudge and luogu is supported.

For Atcoder, jump between Old UI and New UI is supported.

It is not well written. If you have any problems, please complain on Github.

Download is on Github too

Pictures are on Github as well :/

Thanks gwq2017 for the code.