Видеоинструменты IT Market
MOV/HEVC to MP4
Пересборка видео в совместимый контейнер локально в браузере, вместе со звуком. Файл не загружается на сервер.
Результат
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Видеоинструменты IT Market
Пересборка видео в совместимый контейнер локально в браузере, вместе со звуком. Файл не загружается на сервер.
Tool guide
An iPhone records into a MOV container with the HEVC codec: the file is half the size of ordinary MP4 but does not open everywhere. Windows without a plugin, older TVs, editing software and some websites reject it. This tool first checks whether your browser can decode the file at all, then rebuilds it into MP4 with the H.264 codec, or into WebM when the browser cannot write MP4. The audio track is carried over along with the picture. Nothing is uploaded and no watermark is added.
The browser gives no direct access to the codec for a fast transcode: the video is played, each frame is copied to a canvas and re-recorded through MediaRecorder. That runs in real time, so a minute of video takes a minute. Keep the tab open and visible while it works — in the background the browser suspends playback to save power, and the tool warns you when that happens.
Your system has no HEVC decoder. Safari on macOS and iOS and Edge on Windows usually manage it; Chrome on Windows often does not. The easiest fix is to open this page in another browser. Failing that, convert on the device that shot it: an iPhone can record H.264 directly if the camera setting is switched to Most Compatible.
Yes, when the audio option is left on: the track passes through the browser audio graph and is recorded alongside the picture. The result panel states whether audio was kept, so you do not have to check by ear. If the source had no audio track, the tool says so.
Because not every browser can write MP4 through MediaRecorder. Recent Chrome and Edge can; some Firefox builds cannot and will produce WebM. The tool checks this up front and states on the page which format you are going to get before any work starts.
Yes, this is a re-encode rather than a container swap: the picture is decoded and compressed again, so some loss is unavoidable. At 6 Mbps for 1080p the difference is barely visible. If quality is critical and you need a container change without re-compression, only a full ffmpeg on a computer can do that.
No. The file is read from your disk by the browser, decoded, redrawn on a canvas and recorded back by the same browser. Not one byte travels over the network, which the Network tab of developer tools will confirm.
Before: IMG_4821.MOV, HEVC, 1080p, 45 seconds
After: IMG_4821-converted.mp4, H.264, with audio — plays in the default player
Before: clip.mov, 4K, 180 MB
After: Max side 1280 at 4 Mbps — several times lighter
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