This text tool can swap out curly/smart quotes with regular straight quotes and vice versa.
There are two options, "Use straight quotes" and "Use smart quotes", to easily switch between Smart/Straight quotes.
When the selections are completed and do it with the "Convert" button. Easy and quick with just one click. It has complete document processing tasks: Save As, Copy, Delete, and Print.
Example using the Replace Smart/Straight Quotes Tool