Spreadsheet Date Format Normalization

Google Sheets

Read mixed date strings and display formats, then output conversion candidates to a review sheet without changing source data.

Source spreadsheet URL or ID

Source sheet name

Header rows

Target column

Output date format

Review sheet name

Terms of UseI agree to use the generated script at my own responsibility after reviewing risks such as execution results, data loss, sync inconsistencies, and business interruption, and after creating a backup.

Generated Result

Not generated

Enter the required fields and generate the script.