Download EmporiumChromaFinder.bat below.
- Open the League of Legends client and log in (reach the home screen).
- Double-click EmporiumChromaFinder.bat.
It finds your skin shards, checks which have a chroma on Blue Essence sale in the Emporium right now, shows your Orange/Blue Essence and how many shards you can afford to unlock, and opens a visual HTML report. No Riot API key needed; nothing is uploaded. If Python is missing it offers to install it.
Windows SmartScreen may warn on a .bat -> More info -> Run anyway (it's plain text you can inspect in Notepad).