1. What This Tool Does
This web app helps you quickly convert between two text formats:
Column Format (vertical list, line-separated):

• apple
• banana
• cherry

Delimited Format (horizontal list, separator between items):

• apple,banana,cherry

You can choose different separators (like commas, tabs, or custom symbols) and control how empty lines and spaces are handled.


2. How to Use ItBasic Conversion
Paste your text in the top box
Choose conversion direction:

• Column → Delimited: Turns a vertical list into a single line with separators
• Delimited → Column: Turns a separated list into a vertical column

Select a delimiter (separator):

• Comma (,), Tab, Semicolon (;), Space, or Custom

Click the conversion button
Copy the result from the bottom box

Advanced Options

• Preserve empty lines:
• ☑️ When checked → Keeps blank lines as empty entries (e.g., apple,,banana)
• ☐ When unchecked → Removes empty lines/entries
• Trim whitespace:
• ☑️ When checked → Removes extra spaces at start/end of each item
• ☐ When unchecked → Keeps original spacing

3. Common ExamplesExample 1: Convert List to CSV
Input (Column Format):
apple banana cherry

1. Select Column → Delimited
2. Choose delimiter: Comma (,)
3. Result: apple,banana,cherry

Example 2: Convert CSV to List
Input (Delimited Format):
dog;cat;bird

1. Select Delimited → Column
2. Choose delimiter: Semicolon (;)
3. Result:dog cat bird

Example 3: Handle Empty Lines
Input:
apple banana

• With Preserve empty lines checked → Output: apple,,banana
• With it unchecked → Output: apple,banana

4. Pro Tips

• Need tabs? Select the "Tab" delimiter for spreadsheet pasting.
• Custom symbols? Choose "Custom..." and type your delimiter (e.g., | for apple|banana).
• Keyboard shortcut: Press Ctrl+A → Ctrl+C to quickly copy results.

5. Troubleshooting

• No output? Check if your delimiter matches the input (e.g., don’t use commas if your text uses semicolons).
• Extra spaces? Enable "Trim whitespace".
• Broken formatting? Try unchecking "Preserve empty lines".

6. Technical Notes

• Works 100% in your browser—no data is sent to servers.
• Supports all modern browsers (Chrome, Firefox, Edge, Safari).
• No installation needed—just save the HTML file to use it offline.

Enjoy converting! 🚀
For feedback or issues, please contact the developer.