AV Video Karaoke Maker is a standalone karaoke-mastering tool for home karaoke enthusiasts.

AV Video Karaoke Maker includes the following features ...
create a new karaoke project or open a previously saved karaoke project;
import sounds and lyrics, video or static backgrounds from different formats;
synchronize lyrics and sound;
preview the current karaoke project;
and export the karaoke project to one of many different video formats (with different video and audio codecs).

AV Video Karaoke Maker helps you to quickly create a karaoke.

It supports importing a wide range of formats:
avi, mpeg, wmv, asf, mov, wma, mp3, ogg, wav, jpeg, bmp, txt, rtf, etc.;
dragging the words inside the waveform chart allows you to adjust the synchronization forward or backwards;
zooming in or out the sound spectrum view lets you view more of the file;
and exporting the project to an AVI or WMV file for later viewing.

Lyrics can be displayed in any font, color, and size, and placed anywhere on the screen. The output karaoke can be played with all multimedia players, including Windows Media Player, Winamp, RealOne Player, Music Match, Music Jukebox, PowerDVD, WinDVD, Zoom Player, BlazeDVD, and Hero DVD Player. AV Video Karaoke Maker is compatible with Windows Vista and its predecessors.

The free version has no limitation but requires a free key to activate it.

AV Video Karaoke Maker also offers a user-friendly interface with a professional-looking skin