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What Is HEVC and How Does It Work?
HEVC (High Efficiency Video Coding), also known as H.265, is a video compression standard and the successor to H.264/AVC. It is designed to deliver similar visual quality at a lower bitrate, so a properly encoded HEVC video can often be much smaller than an H.264 video of similar quality. This is why HEVC is commonly used for high-resolution videos, streaming, and phone/camera recordings.
However, HEVC is not the same thing as MP4, MKV, MOV, or AVI. Those are containers, while HEVC is the video codec inside the container. For example, an MKV file may contain HEVC, H.264, AV1, VP9, AAC, AC3, subtitles, and more. An MP4 file can also contain HEVC video. So when people say they want to convert HEVC to MP4/MKV or convert MKV/MP4 to HEVC, they are usually talking about changing the container, the video codec, or both.
HEVC supports HD, 4K, and 8K videos and is already supported by many modern TVs, phones, browsers, and streaming services. Still, it is not as universally compatible as H.264. Older computers, TVs, media players, and editors may need HEVC extensions, newer hardware, or a conversion to H.264 for smooth playback.
Why Convert Video to HEVC?
1. Reduce large video files
If you record HD, 4K, or 8K videos with a camera, phone, drone, or screen recorder, the original files can be huge. Encoding them to HEVC can reduce file size while keeping good visual quality, especially when you choose a proper bitrate.
2. Store, upload, and transfer videos more easily
Smaller HEVC files take up less disk space and are easier to back up, upload, or send. This is useful for long movies, gameplay recordings, camera clips, and video collections.
3. Keep high-resolution videos practical
HEVC is a good choice when you want to keep 4K/8K resolution but avoid extremely large H.264 files. But if the video needs to play on old devices or be edited in software that does not support HEVC well, converting HEVC to H.264 MP4 is still the safer option.
FAQs
Q1. Is HEVC the same as H.265?
Yes. HEVC stands for High Efficiency Video Coding, and H.265 is another name for the same video coding standard.
Q2. Is HEVC a format like MP4 or MKV?
No. HEVC/H.265 is a codec used to compress video data. MP4, MKV, MOV, and AVI are containers that can hold video, audio, subtitles, and metadata.
Q3. Is MP4 or MKV better for HEVC?
Both MP4 and MKV can store HEVC video. Choose MP4 for wider everyday compatibility and sharing. Choose MKV if you need more flexible support for multiple audio tracks, subtitles, or chapter information.
Q4. Why won't my HEVC video play?
The most common reason is that your player, operating system, device, or editor does not support HEVC decoding well. You can install a compatible HEVC codec/player, update your device, or convert the video to H.264 MP4.
Q5. Does converting video to HEVC reduce quality?
Any re-encoding can affect quality, especially if the bitrate is too low. To get a better balance between size and quality, keep a suitable bitrate, avoid unnecessary resolution changes, and use the original file as the source whenever possible.
At Last
With the best HEVC converter – WonderFox HD Video Converter Factory Pro, you can convert HEVC to more compatible formats and encode videos to HEVC/H.265 for smaller files without a hitch. Besides, it can compress videos, change resolution and bitrate, download online videos, record screen activities, make GIFs and ringtones, and more. Don't miss this powerful and all-in-one video converter!
Kevincy joined the WonderFox team in 2014 and has been a senior columnist ever since. With over two decades of experience in the video editing industry, he shares tutorials, tips, and how-to guides on video/audio processing and personal DVD backups. Family-oriented and passionate about helping others, he is dedicated to making video and audio processing easier for readers.
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