整批檔案轉編碼工具:UTFCast

 https://www.rotatingscrew.com/downloads.aspx

 

UTFCast 批次轉換文件為 UTF8 編碼
https://briian.com/7120/

 

純文字檔案的編碼與內文批次轉換：Big5轉UTF-8
http://blog.pulipuli.info/2018/08/big5utf-8-batch-convert-plain-text.html#postcatabig5utf-8-batch-convert-plain-text.html0_anchor2