files by google

CheckPrixa Image To PDF is a free tool that converts image files to PDF.

Make deleted files unrecoverable with easy to use tool

Extract audio from almost any kind of video files and save it as MP3

Read data from and write data to Office 2010 Beta system files

Easily and quickly convert your audio or video files to MP3, OGG, WMA, WAV, etc.

Freeware to record your screen to video files as flv, avi or wmv

Encrypt/decrypt files using AES

This class can be used to extract files and directories from ZIP archives.

Visually compare and merge files for Windows, Mac OS X and Unix.

Compare and merge your files or folders with SourceGear DiffMerge