ADVANCED System Format to AVC Hd Video conversion is the process of transforming video files stored in Microsoft's ASF container—often using Windows Media codecs—into MTS files that use the AVC (H.264) codec within an AVCHD-compliant container. This conversion repackages and/or re-encodes audio and video streams so the output is compatible with AVCHD players, Blu-ray authoring tools, and many modern editing systems.
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Read guide →Drag your .ASF file from your computer or use the browse function.
Confirm .mts as the selected destination format.
Click "Convert" and download your converted .MTS file once ready.
ASF files typically use the MIME type video/x-ms-asf and commonly contain Windows Media Video or Audio codecs. MTS files use the MIME type video/MP2T and are based on the MPEG-2 Transport Stream container, often encoded with H.264/AVC video codec for high-definition content. ASF is used mainly for streaming and Windows-centric media, whereas MTS is favored for HD camcorder recordings and professional video workflows.
The AVC Hd Video (.MTS) format is commonly used for video. Understanding its characteristics can be helpful when converting to or from other formats like ADVANCED System Format.
While specific technical details aren't available here, AVC Hd Video files generally serve the purpose of storing video effectively within their domain.
Convert your ADVANCED System Format (ASF) video files to high-quality AVC Hd Video (MTS) format effortlessly using our online converter. Whether you need better compatibility or improved playback performance, our tool ensures a smooth and fast conversion experience without requiring any software installation.
ADVANCED System Format (ASF) is a container primarily designed for streaming and storing Windows Media content, often with lower resolution and older codec support. AVC Hd Video (MTS) is a modern format commonly used by HD camcorders that supports higher resolutions and advanced compression for superior quality. While ASF prioritizes streaming efficiency, MTS focuses on delivering high-definition video suitable for professional editing and playback.
Keep individual ASF source files under 1–2 GB for faster, more reliable conversions; very large ASF streams may require splitting before conversion.
To preserve quality, prefer re-wrapping when ASF streams are already H.264/AAC; otherwise use a high bitrate H.264 (High profile) and keep frame rate and resolution unchanged.
For batch conversion, process files with consistent codecs and resolutions together to reduce transcoding time and simplify settings.
Note format limitation: ASF commonly uses WMV/VC-1 and WMA which must be re-encoded to H.264/AAC for MTS compatibility—lossless transfer isn’t always possible.
This ASF to MTS converter made my HD footage much easier to edit.
Emily R.
Video Editor
Fast and reliable conversion with excellent output quality.
Mark D.
Content Creator
A simple tool that improved compatibility across all my devices.
Lisa M.
Film Producer
Start your free ASF to MTS conversion now.
Drag your file here to to upload.
Up to 250MB
If you need editing in NLEs, export MTS with constant bitrate (CBR) or high-quality VBR and include timecode metadata where supported.