ASF to MTS - Online Video Converter
Convert ASF to MTS online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About ASF to MTS
Convert ASF to MTS. ASF is Microsoft's streaming container that usually wraps WMV and WMA. MTS is the AVCHD camcorder wrapper for H.264 on flash media. Spanned clips split at 4 GB; join them before converting..
Why convert ASF to MTS?
- Smaller files with MTS lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
ASF vs MTS
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | ASF is Microsoft's streaming container that usually wraps WMV and WMA. | MTS is the AVCHD camcorder wrapper for H.264 on flash media. |
When not to convert ASF to MTS
- Skip MTS for archival masters: lossy compression discards detail, so keep the ASF original.
- Keep a master copy: repeated exports stack small losses, so archive ASF before batch MTS shares.
Limits
Starting point: ASF - ASF is Microsoft's streaming container that usually wraps WMV and WMA. Live-archive headers can confuse players; remuxing usually repairs them. Spanned clips split at 4 GB; join them before converting. Encode MTS (H.264 / AAC) from ASF 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.