This project provides an im- and an exporter to support the TreeTagger format in the linguistic converter framework Pepper (see https://u.hu-berlin.de/saltnpepper). The TreeTagger is a natural language processing tool, to annotate text with part-of-speech and lemma annotations. A detailed description of the importer can be found in section TreeTaggerImporter and a description for the exporter can be found TreeTaggerExporter.