Sep 11.2017 - Version:
Exploration Unicode number and UTF encodings for each codepoint Related codepoints and decomposition
Browsing by plane, codepoint number or character block
Unihan data such as definitions, variants, pronunciations and older encodings for many Asian codepoints
Finding code points by name or their Unihan definition
Finding codepoints via Spotlight.
Conversion To and from: HTML, CSS, URLs, IDNA and various programming languages
Unicode Normalisation with an indication whether the string is already normalised (NFC, NFKC, NFD and NFKD)
Split Up and Diff tools to analyse a string codepoint by codepoint and highlight the differences
Most of the features are available to all applications you use via the Services menu and AppleScript.