I have created a plugin that shows the file encodings:
File MIME type column
It should work for your use case. It doesn't rely on extension and uses file content to determine the encoding. It doesn't need BOM also.
I have created a plugin that shows the file encodings:
File MIME type column
It should work for your use case. It doesn't rely on extension and uses file content to determine the encoding. It doesn't need BOM also.