MTS to ASF - Online Video Converter
Convert MTS to ASF online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About MTS to ASF
Convert MTS to ASF. MTS is the AVCHD camcorder wrapper for H.264 on flash media. ASF is Microsoft's streaming container that usually wraps WMV and WMA. Live-archive headers can confuse players; remuxing usually repairs them..
Why convert MTS to ASF?
- Smaller files with ASF lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
MTS vs ASF
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | MTS is the AVCHD camcorder wrapper for H.264 on flash media. | ASF is Microsoft's streaming container that usually wraps WMV and WMA. |
When not to convert MTS to ASF
- Skip ASF 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 ASF 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. Live-archive headers can confuse players; remuxing usually repairs them. Encode ASF (WMV2 / WMA) 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.