CSV Column Replacer Tool

Your "CSV Column Replacer Tool" is designed to help users replace specific columns in their CSV (Comma-Separated Values) data with new values. Here are the key details about this tool:

1. Input Required:

   - CSV Data: Users can paste or upload their existing CSV data, which consists of multiple rows and columns.

2. Functionality:

   - Users can specify:

     - Column to Replace: The name or index of the column that needs to be replaced.

     - New Values: The new values to insert into the specified column, which can be a single value for all rows or a list of values corresponding to each row.

   - The tool processes the CSV data, replacing the designated column with the new values provided.

3. Output:

   - Displays the modified CSV data with the specified column replaced.

   - Optionally allows users to download the updated CSV as a new file.

4. User-Friendly Interface:

   - Simple input field for pasting CSV data.

   - Input fields for specifying the column to replace and the new values.

   - Clear output area showing the resulting modified CSV format.

5. Optional Features:

   - Validation checks for correct CSV formatting and matching of new values to the number of rows.

   - Ability to handle different delimiters if the input CSV uses something other than a comma.

- Data Management: Useful for users who need to update or correct specific columns in large datasets.

- Data Analysis: Helps analysts modify datasets to reflect new information or changes in data.

- Reporting: Assists in preparing data for reports by replacing outdated or incorrect information.