UnicodeConverter is a Java/Windows/.NET program that converts text, RTF, HTML, and Word/Excel documents in Vietnamese legacy encodings such as VNI, VPS, VISCII, TCVN3 (ABC), VIQR/Vietnet NCR (windows-1252, iso-8859-1), and Unicode Composite (Decomposed or NFD) to Unicode Precomposed (NFC) format.