Are you a big fan of YouTube? If so, then you may endlessly spend the day looking for the newest and funniest video clips uploaded. So you may think is that possible for watching YouTube HD video on your iPhone 4? How to convert YouTube to iPhone 4? iPhone 4 Converter provides easy solution to convert the downloaded video from YouTube to iPhone 4 with high-quality output file and high conversion speed.
Moreover, it features in converting VOB, DivX, XviD, MOV, MKV, WMV, AVI etc. to iPhone 4 video (MP4 format). Besides, it is an elegant program with user-oriented interface and good compatibility with the system. Just free download this powerful program and follow the step-by-step guide to learn how to convert and watch YouTube videos on iPhone 4.
Tips: For Mac user, you can refer to iPhone 4 Converter for Mac.
Step 1: Once you finished setup, you could see the main interface of iPhone Video Converter as below: choose the second icon to begin to convert YouTube to iPhone 4.

Step 2: Click "Open file" button on the right top of the main window, then import your YouTube videos you would like to convert.

Step 3: Then you can choose iPhone 4 H.264 Movie (.mp4) as the output format by hitting "Profile". Choose a proper profile to keep your files from the pull-down menu of "Advance".

Step 4: You can start the conversion by clicking "Convert" button, and all the tasks will be done at fast speed and high quality. After that open your iTunes and connect your iPhone 4 to computer. Sync converted YouTube videos to iPhone 4 via iTunes.
What are you waiting for? Just click the button, then you can watch YouTube videos on iPhone 4 freely.
More: Convert Protected DVD to iPhone 4, Convert VOB to iPhone 4, Import Camcorder Videos to iPhone 4