Fast, free MP4 to 4K TV Video converter. No registration required.
3,719件のファイルを変換済み
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またはインポート元
変換方法
1
Upload your .mp4 file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .mp4 file when it's ready.
MP4とは？
MP4 is the most widely used video container format. It stores video, audio, subtitles, and metadata. Compatible with virtually every device and platform, from smartphones to smart TVs.
形式の詳細
正式名称
MPEG-4 Part 14
拡張子
.mp4
主な特徴
Universal compatibility
Streaming support
Small file sizes
Hardware-accelerated playback
4K TV Videoとは？
4K UHD TV-optimized video format using HEVC Main10 at 2160p. Compatible with every 4K TV sold since 2017, with HDR10 metadata preservation when source has it.
形式の詳細
正式名称
4K UHD TV Compatible Video
拡張子
.mp4
主な特徴
HEVC Main10
HDR10 preserved
10-bit color
4K hardware decode
MP4と4K TV Videoの比較
特徴
MP4
4K TV Video
正式名称
MPEG-4 Part 14
4K UHD TV Compatible Video
拡張子
.mp4
.mp4
最適な用途
Universal compatibility
HEVC Main10
よくある質問
Our converter preserves resolution, frame rate, and audio tracks by default. The 4K TV Video output uses optimized codec settings to maintain quality as close to the original MP4 as possible.
Free users can convert videos up to 500MB. Pro users can convert files up to 2GB with server-side processing — no software installation needed.
Most videos convert in under 60 seconds. Longer or higher-resolution files may take 1-3 minutes. Processing runs on our servers, so your device stays fast.
Yes. Our video converter is browser-based — works on iPhone, Android, tablet, and desktop. No app download required.
Yes. Audio is preserved by default during video conversion. You can also adjust audio codec, bitrate, and volume in the advanced settings.