TCPDF is a PHP PDF script for generating PDF documents without requiring external extensions. TCPDF Supports UTF-8, Unicode, RTL languages, XHTML, Javascript, digital signatures, barcodes and much more. Features of TCPDF:- no external libraries are required for the basic functions- all standard page formats, custom page formats, custom margins and units of measure- UTF-8 Unicode and Right-To-Left languages- TrueTypeUnicode, OpenTypeUnicode, ...

Unicode Conversion Gateway is a web-based proxy server to convert some of the Indian language web pages encoded in proprietary encodings into Unicode. Padma, a popular Firefox extension, is extended and reimplemented in PHP to create this proxy server.

Class : KConvert for convert character sets between ascii code and unicode.