Binary package “conv-tools” in ubuntu noble
convert 8 bit character encoding in file names and text content to UTF-8
The mixconv utility reads a mixed-encoding text file, analyzes each
line to determine whether it is in 7-bit ASCII, an 8-bit encoding,
UTF-8 or WTF-8, converts everything to UTF-8 and prints the result to
standard output.
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The dirconv utility scans a directory structure, analyzes each file
and directory name to determine whether it is in 7-bit ASCII, an 8-bit
encoding, UTF-8 or WTF-8, converts everything to UTF-8, and renames
the files and directories accordingly.