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I have a cam – a Nokia N95 actually – that shoots directly to mp4. Results are pretty descent and certainly good enough for web video. But when I upload it to YouTube, it turns into a slideshow. I'd post the original video's specs but I'm not sure how to get them from mp4 video (can't download YouTube to MP4)…

-- raffie

Many users have the same problem, their mobile phone camera (Nokia N95, N96, iPhone, iPod, Sony Ericsson, Sony Cyber-Shot, PSP, etc.) shoots to MP4 videos which are not accepted by YouTube, and also there are many people need to download and play YouTube videos on their MP4 players badly. Today we come to solve this problem.

Part 1: Download YouTube videos for Mac

Here is a step-by-step guide on how to free download YouTube videos for Mac. In Free YouTube Library, you could see there is a Convert button for each item, click it if you want to convert your FLV video on Mac.

Part 2: Convert MP4 to YouTube using YouTube to MP4 Converter for Mac

After clicking this Convert button, YouTube to MP4 Converter will be linked. Mac YouTube to MP4 also can be used as a Mac MP4 to YouTube Converter. It converts MP4 to YouTube acceptable video formats with correct video settings, and converts downloaded YouTube videos to MP4 format on Mac OS X (include Snow Leopard, Lion).

Step 1: Free download and install MP4 to YouTube Converter for Mac. Click + from main menu to browse your computer hard drive and select the files you want to convert. Or you can easily drag-and-drop files into this application for converting.

Step 2: Choose MP4 or YouTube Video (*.flv) as output format. (It depends on you need to convert .mp4 to youtube or convert youtube .flv to .MP4 on Mac).

Step 3: Hit Convert to begin MP4 to YouTube or YouTube to MP4 conversion for Mac OS X.

Done! Now you could convert MP4 to YouTube for upload, or convert downloaded YouTube video to MP4 for playback on more MP4 players and mobile phones.