Free online VIV to ASF converter
Convert legacy VivoActive VIV video to an ASF file for broader Windows Media compatibility.
Convert VIV to ASF online - free
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How it works
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After successful file upload, click to convert when you are ready.
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How to convert viv to asf file
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Older VivoActive video files may need conversion because current media players and editing applications rarely support the proprietary .viv format. Converting the video to ASF can make it usable with software and devices that support Microsoft’s streaming container and Windows Media codecs.
What the VIV format is
In the Video category, VIV usually refers to a legacy VivoActive video file created by Vivo Software’s VivoActive Producer or related capture and streaming applications. These files were used for early web video distribution and may contain proprietary or uncommon video and audio encoding.
VIV is not a modern general-purpose container. Support varies considerably between players, and many current applications cannot open it without a compatible legacy decoder.
What the ASF format is
ASF, or Advanced Systems Format, is a Microsoft multimedia container designed for streaming and indexed playback. It can hold synchronized video, audio, metadata, and timing information; common ASF files use Windows Media Video and Windows Media Audio streams.
ASF is useful when the receiving application specifically supports Microsoft media containers or when a file must work with older Windows-oriented playback and streaming software. .wmv is commonly used for ASF files containing Windows Media Video, but an ASF file can also retain the .asf extension.
How to actually convert VIV to ASF
For a no-install conversion, use the converter on 101convert.com for free: upload the VIV file, select ASF as the output format, start the conversion, and download the resulting file.
For local conversion, FFmpeg is the most practical command-line option when the installed build can decode the particular VIV file:
ffmpeg -i input.viv -c:v wmv2 -b:v 1000k -c:a wmav2 -b:a 128k output.asf
Replace input.viv with the source filename. Adjust -b:v and -b:a to control output size and quality; the command keeps the source dimensions and frame rate unless you add scaling or frame-rate options.
Check decoder support before converting with ffmpeg -demuxers | grep -i viv. If FFmpeg reports that it cannot determine the input format or decode the streams, use a converter with a legacy VivoActive decoder; changing the filename extension will not perform a conversion.
Quality and compatibility limitations
Conversion normally requires re-encoding because ASF-compatible Windows Media codecs are not necessarily compatible with the original VIV streams. Re-encoding reduces quality, so keep the original file and avoid repeated conversions.
VIV files may contain damaged indexes, proprietary audio, or codec variants that modern software cannot decode. A successful ASF conversion also may not preserve VIV-specific metadata, chapter information, or embedded subtitles. Test the output in the application that requires ASF; if it accepts only Windows Media files, use a WMV-compatible video codec and verify that the audio stream is supported.
Note: This viv to asf conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.
VIV vs ASF: format comparison
How the VIV and ASF formats compare on the properties that matter most for this conversion.
| Property | .VIV VivoActive Video File | .ASF Advanced Systems Format |
|---|---|---|
| Format type | Codec | Container |
| Compression | Lossy | — |
| Maximum resolution | — | 8K and above |
| Audio tracks | One | Multiple |
| Subtitles | Not supported | Embedded in the file |
| Streaming | Yes | Yes |
| Opens in a web browser | No | No |
| Typical file size | Very small | Medium |
| Open standard | No | Partly open |
| Introduced | 1998 | 1996 |
| Developer | RealNetworks | Microsoft |
| MIME type | — | video/x-ms-asf |
Information about file extensions and file types is provided by File-Extensions.org
Frequently asked questions
Is the VIV to ASF converter free?
Yes, converting VIV to ASF on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.
How large can my VIV file be?
You can upload VIV files up to 200 MB and convert up to 1 files at once in a single batch.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert VIV to ASF?
No. The VIV to ASF conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid VIV file for this VIV to ASF conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.