The following video and audio file types are explicitly supported by Smart Converter.

This list will be updated as we increase the number of formats that we support. If you have a new file type that you want supported, please email us at

Video File TypeFile ExtensionNotes
Audio Video InterleaveaviAVI is a very popular but dated video format. It is used extensively for DVD rips and torrents.
Advanced Video Codec High Definition (AVCHD)mts, m2tsAVCHD is the defacto standard for high definition consumer video cameras. Note that Smart Converter Pro, and all FFmpeg-based converters, have limited AVCHD support. This means that AVCHD support will not cover all variants of this standard.
Matroska Video ContainermkvMKV is an open-source video container format and is used extensively for high definition Blu-ray and HDTV rips.
Flash VideoflvFlash video is widely used for web-hosted video, such as YouTube and the like.
Windows Media VideowmvWMV is the preferred format for Windows computers.
QuickTime VideomovMOV is the preferred format for Macintosh computers and iOS devices.
Note that we only support MOV files containing H.264 video. Editor video codecs (such as AIC and ProRes) are not supported.

Audio File TypeFile ExtensionNotes
Windows Media AudiowmaWMA is the preferred audio format for Windows computers.
Advanced Audio Codingm4aAAC is a popular audio encoding standard supported by all Apple devices.
Free Lossless Audio CodecflacFLAC is an open source audio codec that implements a lossless compression technique.

NOTE: Smart Converter and Smart Converter Pro share the same conversion engine. If you have any doubts about whether Smart Converter Pro will convert your files, please try the free Smart Converter first.

Smart Converter Pro adds batch conversions and advanced preferences to provide more control over your conversions.