How to convert Y4M to M2TS
To convert Y4M to M2TS, upload your Y4M file, choose M2TS as the output format and press Convert. The finished M2TS file is ready to save to your phone or computer in seconds, free, with no watermark and no sign-up. Your file is deleted from our server about 30 minutes after the conversion.
This free online converter turns Y4M videos into M2TS files in your browser, with no software to install and no watermark. When the video and audio inside your Y4M file can be placed in M2TS as they are, the streams are copied without re-encoding, which is faster and keeps the original quality. Otherwise the video is re-encoded as H.264 video with AC-3 audio in Blu-ray-style 192-byte packets.
What you get with Y4M to M2TS
- Holds full HD video and surround audio
- Standard for Blu-ray and AVCHD
- High bitrate support
- Plays on: VLC, Plex, Kodi, Blu-ray players and professional editors
What to expect from this conversion
- Expect a smaller file than the Y4M original, because M2TS compresses more efficiently.
- M2TS output uses 192-byte Blu-ray-style packets with H.264 video and AC-3 audio.
- Y4M files are huge because they are uncompressed, so uploads can take a while on slower connections.
- The first audio track is kept. Subtitle tracks, extra audio tracks and chapters are not included in the converted file.
Y4M vs M2TS
| Property | Y4M | M2TS |
|---|---|---|
| Full name | YUV4MPEG2 | Blu-ray BDAV Transport Stream |
| Released | 2000, MJPEG Tools / Xiph.Org | 2006, Blu-ray Disc Association |
| Generation | Niche | Pro |
| Typical file size | Huge | Large |
| Plays on | ffmpeg, x264, x265, aomenc, VLC and other video tools | VLC, Plex, Kodi, Blu-ray players and professional editors |
| Best for | benchmarking codecs; feeding raw video to encoders | archiving Blu-ray and AVCHD clips; high-bitrate HD masters |
Steps to convert Y4M to M2TS
- Drop your Y4M video file onto the converter, or click to choose it.
- Check that M2TS is selected as the target and adjust the options if you want.
- Press Convert, then download your new M2TS file when it finishes.
Tips for the best result
- Leave Fast mode on to keep the original quality whenever the streams can be copied.
- Pick a lower resolution if the file is for a phone or messaging app.
- Use Mute if you only need the picture.
Frequently asked questions
How do I convert Y4M to M2TS?
Upload your Y4M file, make sure M2TS is the selected target and press Convert. When the progress bar finishes, download the M2TS file. No account or software is needed.
Is the Y4M to M2TS converter free?
Yes. It is free, with no watermark, no sign-up and no daily limit on how many files you convert. The site is supported by ads.
Will I lose quality when converting Y4M to M2TS?
Not necessarily. If the video and audio streams already fit inside M2TS, they are copied without re-encoding, so quality stays identical. If the file has to be re-encoded, the High setting keeps almost all visible detail, while Small trades some detail for a smaller file.
Why is my M2TS file smaller than the Y4M original?
Expect a smaller file than the Y4M original, because M2TS compresses more efficiently. Choosing a lower quality or resolution reduces the size further.
Which devices can play M2TS files?
M2TS files play on VLC, Plex, Kodi, Blu-ray players and professional editors.
How large a file can I upload?
You can upload videos up to 500 MB. Files are deleted from the server about 30 minutes after conversion.