tencent inc.

One-key to capture & send you screenshot via email.

Creates Javascript quizzes quickly and professionally.

Convert avi, xvid, divx, rm, rmvb, mpeg, wmv, mov to mov

Solve and explain algebra and pre-calculus equations.

Optimize your PDF files for web viewing with PDF Optimizer

Most Award-winning and Effective Combined AntiVirus and AntiSpyware Product.

Easily record and edit audio files for professional sounding podcasts.

Safely removes Windows Update and Hotfix backup files.

Power Favorites helps you organize the bookmarks and share them.

Split or join mp3 and mp3pro files. Can join files of different sample rates.