I have seen lot of video editors and had tried many from simple to complex but Video Editor and Converter from Extension for Windows in my opinion the best if you take factors where this is free and also has very professional features which I would mention below :

The best part of this software is the Output Format it supports apart from regular web standards it supports :

• You tube 320  X 200 , Large 640 X 480
• HDTV 1920 X  1080 / HDTV 1280 X 720
• iPod 320 X 240
• iPhone 480 X 320

Free video converter

There are like one click converters into most commonly required formats. Apart from the conversion formats you can also select frames, convert only part of it and actions which you see below.

Video converter frame selections

Moving to Export section where it gives you more detailed options on how you can convert video to other formats with options of altering video or quality. You can change the Audio bit rate etc.

Export options for controlling quality of converted video

So if you have a video which you would like to convert in these web formats or HD and Iphone standards, This one tops all . Download Free Video Converter