This free CSV file validator can be used to check the format of a csv file. It compares all the lines with the first row and displays potential problems, for eg. if there are more or less fields than the first row. The csv file is displayed in a grid where the contents can be edited. New cells can be added to a row or existing cells can be deleted.

The online CSV validator can be used to check CSV file for errors and validate CSV file before upload to a partners website. Edited csv data can be downloaded.