The Unicode block CJK Unified Ideographs Extension B contains additional Chinese characters used in historical and modern texts, primarily in East Asia. This block extends the range of the CJK Unified Ideographs block to include more rare and specialized characters, supporting languages such as Chinese, Japanese, Korean, and Vietnamese. It encompasses characters used in classical literature, historical documents, and certain technical fields. The range for this block is U+20000 to U+2A6DF.

View a range of fonts that support the CJK Unified Ideographs Extension B block.

Below you will find all the characters that are in the CJK Unified Ideographs Extension B unicode block. Currently there are 42720 characters in this block.