After a bit of effort I put recently on writing a terminal app to edit pokemon save files in any platform (Windows/Linux/MacOS), making it accessible to install with a simple terminal command, I realized that some of it could actually be ported to a nice UI accessible on the browser.
If you want to jump right into it, go to: https://pkhex-web.github.io
I finally released this working version with a couple of features fully funcional:
Open/Export save files
Visualize trainer data
Add/Remove items
Add Pokemons from the encounter database
Edit Pokemons (party/box)
Legality warning
Extendable with plug-ins
Auto legality mode plug-in
I'm trying as much as I can to make it responsible to work on big screens or mobile-ready, but there may be some aspects that are broken (if you find any, let me know on GitHub)
The repository is the same of the CLI for now: https://github.com/arleypadua/PKHeX.CLI
If you like what you see, share your feedback or issues here: https://github.com/arleypadua/PKHeX.CLI/issues
Again, none of it would be possible without the efforts put into making PKHeX.Core, so kudos for the team.