<i>UnicodePad</i> lets you input every character in Unicode. And input string can be copied to the clipboard or input directly by Mushroom. You can find out where selected character is in list. By long clicking, larger character and code point will be shown. Favorite characters can be memorized. If you can't see special characters, you have to get a font such as Noto font and select it. You can download Noto fonts <a href="https://www.google.com/get/noto/ from">Google</a>.