Tools

• CSV File Splitter - Split a large CSV file into multiple < 45mb files for use with the Klaviyo CSV importer for events or profiles.
• CSV Header Remapping - Rename the column headers of a CSV file. Useful for working with large files that are not easily opened in other applications.
• SFTP CSV Validator - Before uploading to the Klaviyo SFTP, validate your file to confirm its structure and data.
• CSV Delimiter Converter & Checker - Convert a file from semicolon-separated to comma-separated.

Source code and repository can be found here.