The extension simultaneously decodes the current tab URL or decode multiple URLs by pasting them to the text area and let you copy the result with one button.
It will remember the last decoded URLs, you can clear them using the "Clear" button.
Double click on a decoded URL will select the whole line.
Screenshots:
The extension manifest icons (all the sizes) are from - Link icon by Icons8: https://icons8.com/icon/80410/link .