More powerful pdf viewer

It is about both feature and plugin request.

1. Google translate inside pdf

Some user may not use English as their mother tongue but need to study in English. I think install a plugin for pdf viewer is a great a idea for those to read thesis or books.

It should translate sentences. Some shortcut keys should also be considered: press shift while selecting the sentences will directly trigger translation.

2. add notes in pdf

I understand there is already a notes function in remnotes. Rather, I think add notes on the ‘surface‘ of the pdf is more useful to give me a clear view without clicking anything.

3. Mind map

Recently, I have learnt a notes app called Milanote, the mind map function is quite attractive to me. probably you may consider introduce it