Convert any video file to CAF format online for free. Fast, secure, and easy-to-use video to CAF converter with no software installation required.
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Max file size: 50 MBMax duration: 30 min
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Drag and drop your TS file, or click to browse for it.
Choose CAF as the output and click Convert. The conversion runs on our servers, so your device does none of the work.
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Your file is used only to make your conversion. It is never published or shared, and the download link expires after one hour.
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How the two formats differ on the things that change your result.
| Specification | TS (source) | CAF (result) |
|---|---|---|
| Container | MPEG-2 Transport Stream | Core Audio Format |
| Developed by | MPEG | Apple |
| Introduced | 1995 | 2005 |
| Audio codecs | AAC, AC-3, MP2 | PCM, ALAC, AAC, Opus |
| Compression | Lossy | Depends on codec |
| Approx. file size | 38–188 MB per minute | 1–32 MB per minute |
| Metadata / tags | Container tags | CAF metadata chunks |
| Licensing | Patent-licensed | Proprietary |
| Plays natively on | Native: Smart TVs · Needs a player: Windows, macOS, iOS, Android | Native: macOS, iOS · Needs a player: Windows, Web browsers |
| Best for | broadcast, live streaming, IPTV | iOS development, the Apple ecosystem, very long recordings |
This extracts the audio and discards the video entirely. The soundtrack inside a TS file is typically AAC, and it is re-encoded to PCM on the way out.
Expect a much smaller file. Video accounts for most of the bytes, so about 113 MB per minute becomes roughly 17 MB per minute of CAF.
Subtitles do not survive audio extraction, since an audio container has nowhere to store them.
When a video holds several audio tracks, the main one is extracted; alternate language tracks are not merged into the result.
Extracting CAF audio from a TS video pulls the soundtrack out of the MPEG-2 Transport Stream container and writes it as a standalone Core Audio Format file. The video stream, which holds most of the data, is discarded.
Developed by MPEG in 1995, TS carries MPEG-2, H.264, or H.265 video and AAC, AC-3, or MP2 audio. That combination sets the upper bound on what any conversion can preserve.
CAF was introduced by Apple in 2005. It holds audio in whichever codec it was encoded with (PCM, ALAC, AAC, or Opus) and plays natively on macOS and iOS.
After converting your file, you can use Scriptivox transcription services to convert your audio to text. Perfect for meetings, interviews, podcasts, and more.
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