Among all available H.265 Video Converters in the market, iFastime Video Converter Ultimate claims one of the top one to meet the H.264 to H.265 MP4 encoding need. To finish the task, you will need to have a reliable H.265 Video Converter to do the job. Hence, it is recommended to encode H.264/AVC MP4 to H.265/HEVC MP4 if you want to gain smaller file size or play high quality video over a cellular network. This H.265/HEVC also can support 4K and 8K Ultra High Definition video, with a picture size up to 8192×4320 pixels. It doubles the data compression ratio compared to H.264 or MPEG-4 AVC at the same level of video quality.

To resolve this issue, try VLC media player.High Efficiency Video Coding (HEVC) or also called H.265 is a new video codec and new generation video compression standard. MP4 is a container that contains various kinds of data, so when there is a problem opening the file, it usually means that data in the container (an audio or video codec) is not compatible with the device’s OS. On some devices, particularly mobile, opening this file type can be problematic. On Windows, it opens in Windows Media Player. There is no need for third-party software.

Simply double-clicking the file opens it.

MP4 files open in the operating system's default video player. Many consider MP4 to be one of the best video formats available today. It is also a popular video format for streaming over the Internet, such as on YouTube. It is compatible with a wide range of devices and operating systems, using a codec to compress file size, resulting in a file that is easy to manage and store. MPEG-4 (MP4) is a container video format that can store multimedia data, usually audio and video.

Avc mp4 converter