Wealth of Info on Variant/Related Characters

You can access a wide range of information on variant/related characters, including correspondences between new character shapes and old character shapes, original characters and variant characters for names/places, Japanese kanji and Chinese/Korean kanji, Kanji and Tompa/Hentaigana.

Variant Characters of "龍"

Related Characters of "龍", including Simplified Chinese and Tompa

Hentaigana "あ" as Related Characters of "安"