utf8_sanitizer

https://github.com/4rlm/utf8_sanitizer

Removes invalid UTF8 characters & extra whitespace (carriage returns, new lines, tabs, spaces, etc.) from csv or strings. Also provides detailed report indicating row numbers containing non-UTF8 and extra whitespace, and before and after to compare changes. Example: ABC Au\xC1tos,123 E Main St,Anytown,TX,75142,(888) 555-1234\n\r\n => ABC Autos,123 E Main St,Anytown,TX,75142,(888) 555-1234