Use the free Audio Loop Maker below: your data never leaves your browser — all work happens on your device, and nothing is uploaded to any server.
Why loops are everywhere in music and sound
Think of the last song you could not get out of your head. Chances are it was built on a loop: a short section of drums, bass or melody, repeated over and over while other parts change on top of it. Loops are the bricks of modern music. They are also the sound of a meditation app, a focus timer, a ringtone and the background of a video game level. A good loop feels endless, not repetitive. A bad loop has a click, a gap or a jump every time it repeats, and your ear catches it within seconds. This tool helps you make the good kind, from any audio file you already own.
The trick to a seamless loop is choosing the right section. The best loop points are places where the sound is steady: a held note, a repeating drum pattern, a stretch of rain noise. The worst loop points are places where the sound is changing fast, like the middle of a word or a drum fill. If you loop a section that starts loud and ends quiet, no tool can fully hide the jump. Spend a minute finding a steady section, and the rest of the process becomes easy.
How crossfades hide the join
Even with a good section, joining the end back to the start creates a tiny discontinuity, because the waveform at the end rarely matches the waveform at the start. Played raw, that jump sounds like a click. A crossfade solves it by overlapping the two ends: as one repeat fades out over a few dozen milliseconds, the next repeat fades in over the same time. Your ear hears a smooth blend instead of a step. This tool offers crossfades from zero up to 200 milliseconds. Fifty milliseconds is a good default. Longer crossfades hide bigger jumps but can soften sharp drum hits, so if your loop is drums, keep the crossfade short.
It is worth understanding what the tool is actually doing. It does not simply paste the section end to end. It schedules each repeat in an offline audio render, with a gain envelope that fades each repeat in and out across the crossfade time. The exported WAV contains those repeats already joined, so any player, editor or phone will play the loop exactly as you heard it here, without needing any special loop support.
How to use this loop maker
Upload your file and note its total duration. Set the loop start and end in seconds. If your file is a song and you want the chorus, listen first and write down roughly where the chorus starts and ends. Set the repeats: four is a good test, ten gives you a long bed for a video. Choose a crossfade, press Make loop, and play the result. Listen specifically at the joins. If you hear a click, lengthen the crossfade a little or nudge the end point by a tenth of a second. Then download the WAV.
Three uses deserve a special mention. Musicians use loops to practise a hard passage on repeat without touching the controls. Teachers use loops of nature sounds or white noise as classroom background. Video makers use loops as background beds, because a two-minute loop under a ten-minute video is far easier to manage than a ten-minute music track with its own loud and quiet sections. In each case, the loop you export here is a finished file, not a project that needs this tool to play back.
Choosing loop points like a musician
If your section is musical, try to loop in whole bars. A bar is the natural unit of music, and looping mid-bar feels like a sentence cut in half. If you do not know the tempo, count the beats: tap along with the music, find where the strong beat falls, and set your start and end on strong beats. For non-musical sounds like rain or a fan, any steady stretch works, and longer sections loop more invisibly than short ones, because your ear has more time to forget the beginning before it comes around again.
Common questions
Does looping change the pitch or speed? No. Each repeat is an exact copy of the section, at the same pitch and speed. Can I loop a whole file? Yes, set the start to zero and the end to the full duration, and the whole file repeats. Is my file uploaded? No. The loop is built in your browser, and the download is the only copy that leaves it.