Bach copy filname to titlefield

[ohrenkino]

It should be possible.
See the FAQs on the converters:

Converters to rename files or to import tags

Mp3tag provides a variety of possibilities to get tag information from parts of the filename or rename files based on the information stored in the tag of a file. The base concept behind all converters in Mp3tag is the so called format string, which describes a pattern (or template) of a filename or a line in a tag-list file. A format string consists of any characters and predefined placeholders or scripting functions. Every placeholder begins with the percent sign %, followed by a tag field n…

If you need more help then you have to show a concrete example of a real filename.