BigSpeed Deflate DLL lets you add in-memory compression and decompression to your application. The compression algorithm is the same as used in zip files. It is implemented in fast, highly-optimized assembler code. The file size is under 20K. The API is composed only by 2 functions, which can be called from any programming language that supports DLLs. An example is included that illustrates how to use the DLL with Delphi.