Convert AVI Files to ASF on Your Device

Make a ASF copy of AVI in your browser for Windows-oriented distribution. Conversion stays on-device while a new ASF file is prepared.

Drop files here or browse (MAX 500 MB)

Max 500 MB per file

Preview (optional)

When your browser supports it, your video appears here. If preview does not load, you can still convert your file normally.

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File name

Adapt legacy playback and editing to a workflow built for Windows-oriented distribution
Supply ASF when an editor, player, or delivery form will not accept AVI
Create a ASF copy from AVI for older Windows streaming and enterprise players

On-device encoding can work the processor harder than ordinary playback during this AVI-to-ASF job.
Available memory can limit very large AVI conversion jobs.
Check picture, sound, and timing in ASF before removing the source.

ASF serves older Windows streaming and enterprise players, whereas AVI commonly serves older Windows players and capture tools.
For AVI-to-ASF delivery, plan for uneven support outside Windows software.
After leaving AVI, the receiving app must support the streams encoded inside ASF, not only its extension.

AVI to ASF taking too long? Try a small source first to separate a performance issue from a format issue.
ASF converted from AVI not opening? Test a compatible player and inspect the output streams.
Use the receiving app’s documented ASF profile when generic playback succeeds but import fails.

When does AVI to ASF conversion make sense?

It is useful when AVI media created for legacy playback and editing must enter a ASF system designed for Windows-oriented distribution.

Where is the AVI source processed?

The browser prepares ASF from AVI on this device instead of sending the source to a remote conversion server.

How can I approve ASF converted from AVI?

Test the ASF file in the receiving app and compare duration, picture, sound and timing with the AVI source.

Quick use cases