Free, in your browser, no signup: files delete themselves within an hour.
One file at a time for now
Batch processing isn't available yet: drop files one by one, or use the Merger to join them.
You can convert WMV to AAC for free: upload your WMV above and Flippy extracts the audio as AAC in your browser, no signup needed.
Turning WMV into AAC isn't really a conversion: it's an extraction: Flippy lifts the audio track out of your WMV and re-packs it on its own. You keep the sound and drop the pixels, swapping a WMV that runs small for its era, but modern codecs beat it on both size and quality for an AAC built for streaming-grade sound at friendly file sizes.
WMV is a time capsule from the Windows XP years: tidy little files with dated manners. It was born in 1999, Microsoft, and its real weak spot is everything Apple, most browsers, and any phone made this decade.
AAC is MP3's better-trained successor: cleaner sound from the same number of bits. Advanced Audio Coding: the default soundtrack of YouTube, iTunes and most MP4 video. That makes it the right destination when what you need is streaming-grade sound at friendly file sizes.
Drop your WMV file into the flipper above, or click to browse for it.
Check the output format: AAC is already selected for you.
Hit Convert, give it a moment, then download your new AAC.
| WMV | AAC | |
|---|---|---|
| Born | 1999, Microsoft | 1997, an MPEG all-star team: Fraunhofer, Dolby, Sony, AT&T and Nokia |
| Type | video · container | audio · lossy |
| Best for | old Windows archives and PowerPoint decks that still insist on it | streaming-grade sound at friendly file sizes |
| Weak spot | everything Apple, most browsers, and any phone made this decade | older or stubborn hardware that only ever learned MP3 |
| Typical size | small for its era, but modern codecs beat it on both size and quality | similar to MP3, but it sounds better at the same bitrate: or the same at about 25% smaller |
| Plays on | Windows out of the box; everywhere else wants VLC or a converter. | Apple everything, YouTube, Android, modern players; patchy on legacy gear. |
No: extraction copies the audio that's already in the WMV. Whatever the soundtrack sounded like inside the video, that's what your AAC will sound like.
Much smaller: you're keeping the audio and dropping the video, which is most of the weight. Expect similar to MP3, but it sounds better at the same bitrate: or the same at about 25% smaller.
Apple everything, YouTube, Android, modern players; patchy on legacy gear. That's the usual reason people leave WMV behind: AAC simply opens in more of the places that matter.
It scales with length and resolution: short clips finish in seconds, long HD videos can take a few minutes. Files auto-delete within an hour after.