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MTS to MP4 (H.264) - Online Video Converter
Convert MTS to MP4 (H.264) online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert MTS to MP4 (H.264)
Drop MTS video here or click to select
MTS, M2T
MP4 (H.264) (H.264 / AAC)
About MTS to MP4 (H.264)
MTS splits camcorder takes across 4 GB spans, so join spans first and MP4 keeps H.264 widely playable.
Why convert MTS to MP4 (H.264)?
- Smaller files with MP4 lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
MTS vs MP4 (H.264)
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | MTS is the AVCHD camcorder wrapper for H.264 on flash media. | MP4 pairs H.264 video with AAC audio in the ISO base media container. |
When not to convert MTS to MP4 (H.264)
- Skip MP4 for archival masters: lossy compression discards detail, so keep the MTS original.
- Keep a master copy: repeated exports stack small losses, so archive MTS before batch MP4 shares.
Limits
Starting point: MTS - MTS is the AVCHD camcorder wrapper for H.264 on flash media. Spanned clips split at 4 GB; join them before converting. H.264 has no alpha channel, so transparency is dropped. Encode MP4 (H.264 / AAC) from MTS at a bitrate near the source, and confirm the audio track before converting.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
Related conversions
FAQ
How do I convert MTS to MP4 (H.264)?
Drop your MTS file onto this page, choose quality and codec settings, then click Convert. The result downloads as MP4 (H.264) instantly. All processing runs in your browser.
What codec is used for MP4 (H.264)?
The default codec for MP4 (H.264) is H.264 / AAC. You can change the video and audio codec in Advanced mode.
Should I join MTS spans before converting?
Yes; spans split near 4 GB, and joining first keeps order and audio sync.
Does MTS to MP4 keep quality?
Closely, at high bitrates; H.264 re-encodes to H.264 with small losses.
How do you store my files?
We do not store any processed videos. All conversion happens entirely in your browser using FFmpeg WASM.