DeepL
Translates web pages, selected text and what you type into other languages, and helps polish your writing as you go.
Chrome extension
Turns Chinese, Korean and Japanese web novels and EPUB files into readable English on supported sites for fans of translated fiction.
OpenNovel translates Chinese, Korean and Japanese web novels and EPUB files into readable English in Chrome. It is for fans of translated fiction who want to read the latest chapters on supported sites without waiting for fan translations.
Go to a chapter on a supported site, open the OpenNovel extension and click Translate; you may need to create an account first.
It only works on supported sites, listed on the developer's website. Check its Chrome Web Store page for current terms.