H.264 to WMV - Online Video Converter

Convert H.264 to WMV online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

Convert H.264 to WMV

[+] Drop H.264 video here or click to select H.264, MP4

Output format

WMV (WMV2 / WMA)

No transcoding (remux only)[i]

Mode[i]

Simple Advanced

Quality[i]

Resolution[i]

About H.264 to WMV

Convert H.264 to WMV. H.264 is the AVC codec behind most MP4 and broadcast video. WMV pairs Microsoft's WMV video with WMA audio in an ASF wrapper. Protected store files cannot be converted; use DRM-free sources..

Why convert H.264 to WMV?

Smaller files with WMV lossy compression.
Keep animation and transparency where supported.
Private, no upload - runs in your browser.

H.264 vs WMV

Animation	Yes	Yes
Transparency	No	No
Compression	lossy	lossy
Typical use	H.264 is the AVC codec behind most MP4 and broadcast video.	WMV pairs Microsoft's WMV video with WMA audio in an ASF wrapper.

When not to convert H.264 to WMV

Skip WMV for archival masters: lossy compression discards detail, so keep the H.264 original.
Keep a master copy: repeated exports stack small losses, so archive H.264 before batch WMV shares.

Limits

Starting point: H.264 - H.264 is the AVC codec behind most MP4 and broadcast video. Annex-B headers usually import cleanly into MP4. Protected store files cannot be converted; use DRM-free sources. Encode WMV (WMV2 / WMA) from H.264 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.

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FAQ

How do I convert H.264 to WMV?

Drop your H.264 file onto this page, choose quality and codec settings, then click Convert. The result downloads as WMV instantly. All processing runs in your browser.

What codec is used for WMV?

The default codec for WMV is WMV2 / WMA. You can change the video and audio codec in Advanced mode.

How do you store my files?

We do not store any processed videos. All conversion happens entirely in your browser using FFmpeg WASM.