How the 8D audio converter works
An 8D effect makes a song sound as if it is moving around your head. This converter does that in three steps, all inside your browser:
- Fold to one source. Your song is mixed down to a single sound source so it can be placed at one point in space.
- Move it around you. The source is placed in a 3D scene and moved on a path around the listener. A head-related transfer function (HRTF) filters the sound the way your head and ears would, so your brain hears direction: the timing and loudness differences between your ears, plus the way each ear colours the sound.
- Add a little room. A short reverb tail makes the movement feel like it happens in a space rather than inside your skull. You control how much.
The result is exported as a stereo WAV file you can play anywhere. Because the effect depends on the difference between your left and right ear, it only works on headphones or earbuds. On speakers it just sounds like a pan with echo.
Settings explained
| Setting | What it does | Good starting point |
|---|---|---|
| Speed | Seconds for one full turn around your head. Lower is faster and more dramatic. | 8–12 s for most songs; 15–24 s for slow or ambient music |
| Reverb | How much room sound is added. More reverb feels bigger but can blur vocals. | 15–30% |
| Circle | The sound travels all the way round: front, right, behind, left. | The classic 8D sound |
| Left ↔ right sweep | The sound slides between ears in front of you without going behind. | Gentler; good for vocals-heavy tracks |
| Figure of eight | The sound crosses in front of you and loops out to each side. | Busy, more playful movement |
Tips for a better 8D conversion
- Start with good quality audio. A lossless or high-bitrate file keeps cymbals and vocals clean after processing.
- Pick songs with space in the mix. Sparse arrangements, pads and layered vocals show the movement best; very dense, loud tracks can feel flat.
- Turn the volume down first. The exported file is normalised to −1 dBFS, which can be louder than your original.
- Try a slower speed if it feels dizzy. Fast rotation is more intense; slower is easier to listen to for a whole song.
- Use the preview before converting. It plays the same processing live, so you can tune speed and reverb in seconds.
Supported formats
You can load any audio file your browser can decode, which in practice means MP3, WAV, M4A/AAC, OGG, Opus and FLAC (Safari support for FLAC and OGG varies). Output is a 16-bit stereo WAV at your file's original sample rate. Files up to 8 minutes work well; longer ones can run out of browser memory.
FAQ
What is an 8D audio converter?
A tool that processes a normal stereo track so the sound appears to move around your head, usually in a circle. It uses binaural (HRTF) positioning, which you hear properly on headphones.
Does 8D audio only work with headphones?
Yes. The effect relies on each ear hearing something different. On loudspeakers both ears hear both channels, so the circling effect largely disappears.
Is this really 8D?
No — "8D" is a marketing name. The effect is binaural 3D positioning of a stereo or mono source; there are no eight dimensions. The name stuck because it sounds more immersive than ordinary stereo.
Are my files uploaded?
No. Your song is decoded, processed and exported entirely inside your browser. It is never sent to our servers, so there is no upload wait and nothing is stored.
Is it free?
Yes. There is no sign-up, no watermark and no limit on how many songs you convert (each file up to 8 minutes).
Why is the exported file a WAV and not an MP3?
WAV avoids a second round of lossy compression and works everywhere. If you need a smaller MP3 or M4A, convert the WAV with any audio converter or your music app.
Can I upload copyrighted songs?
The tool never uploads anything, so the file stays on your device. Converting a song you own for your own listening is a different matter from publishing the result. Posting an 8D version of someone else's music on YouTube, TikTok or Spotify can still be copyright infringement, so only share conversions of audio you have the rights to.