TSV means tab-separated values, The file is a simple text format for storing data in a tabular structure (e.g. spreadsheet data or database).
DSV means delimiter-separated values, The file store two-dimensional arrays of data by separating the values in each row with specific delimiter characters.
The tool will help you convert a CSV file to TSV or DSV file. Copy you CSV data and paste them in text area, choose a new delimiter get your reformat file.