audio in, WEBM out: free, no signup, and both 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.
Try another fileFlippy turns audio into WEBM for free: upload the audio above and download it wrapped as WEBM, sound untouched. No signup, and both files delete themselves within an hour.
It sounds backwards, but audio to WEBM is a real need: plenty of platforms and tools only accept video, so Flippy re-packs your audio audio inside a WEBM wrapper. Where WEBM accepts your audio's codec the sound crosses over untouched; where it doesn't, it's re-encoded once. The WEBM that comes out is built for embedding on the web without licensing worries.
A classic audio to WEBM job: voice memos, downloads and session exports, bound for embedding on the open web, royalty-free.
Whatever the recording, audio just wants to be heard: the trick is picking a shape that plays where you need it. It comes from wherever your camera, screen recorder or download made it.
WEBM is video the way browsers like it: open, royalty-free and built to stream. A Matroska-based container restricted to VP8/VP9/AV1 video with Vorbis or Opus audio. That makes it the right destination when what you need is embedding on the web without licensing worries.
Drop your audio file into the flipper above, or click to browse for it.
Check the output format: WEBM is already selected for you.
Hit Convert, give it a moment, then download your new WEBM.
Settings for audio to WEBM: none to pick. Where the WEBM container accepts your audio's audio codec, the stream is copied bit for bit; where it doesn't, Flippy re-encodes it once and leaves the levels alone.
| audio | WEBM | |
|---|---|---|
| Born | wherever your microphone, DAW or download came from | 2010, Google, out of its VP8 acquisition |
| Type | audio · any format | video · container |
| Best for | any sound file: music, voice memos, podcasts, session exports | embedding on the web without licensing worries |
| Weak spot | nothing in particular; the limits belong to whichever format it happens to be wearing | life outside the browser: editors, TVs and Apple devices get picky |
| Typical size | anywhere from tiny voice notes to studio-sized masters | for video content, often smaller than the equivalent MP4: VP9 and AV1 squeeze harder than H.264; wrapping audio alone stays about the size of the audio |
| Plays on | Depends entirely on the format it lands in. | Every modern browser; hit-and-miss in editing apps and on Apple hardware. |
No. Wrapping audio in a WEBM container doesn't touch the sound itself: it's the same stream in a different box.
About the same, plus a sliver of container overhead. The audio stream is unchanged; WEBM just adds a video-shaped envelope.
Every modern browser; hit-and-miss in editing apps and on Apple hardware. That's the usual reason people leave audio behind: WEBM simply opens in more of the places that matter.
Seconds for most audio files: there are no pictures to encode, so wrapping the audio as WEBM is nearly as fast as copying it. Both files auto-delete within an hour.