Loop Audio

How it works

1. Choose an audio file.
2. Choose how many repeats, or a target duration.
3. Set a crossfade if the seam clicks, and preview it.
4. Export and download.

Repeat a clip or fill a length

Choose a number of plays, which counts the original, so 4 plays the clip once and repeats it three times. Or choose a target length such as 10 minutes: the clip repeats until the result is exactly that long and the last repeat is cut short. Loops can be up to 24 hours long.

To loop only part of a file, select it on the waveform and turn on Process only the selected part. This is the usual way to make a loop from a bar of music or a sound effect.

Smooth seams

A loop only sounds seamless if the end of the clip leads naturally into its beginning. If you hear a click or a jump, add a crossfade: the end of each repeat fades out while the next one fades in, which also makes the loop shorter by that amount per seam. The Preview button plays the last four seconds of the clip, the seam and the first four seconds again, so you can check the join in a moment without processing the whole file.

Cutting the clip on a beat or at a quiet point with the Trim tool gives the cleanest loop.

Long loops and quality

Repeats are streamed to the encoder, so a long loop does not need to fit in memory. For very long results choose a compressed format, because an hour of CD-quality WAV is about 600 MB. Lossy formats are encoded once.

Questions