Audio Extend

Audio Extend is for when a track is too short and you need it to run longer. Instead of looping the whole file end to end and hearing an obvious restart, it finds the beats and section boundaries inside the song and repeats matching parts, so the longer version still lands on the beat and plays as one continuous piece.

To use it, open the audio by uploading a file. Pick the new, longer length you want. The tool extends the track to that duration by repeating sections at musical points, and you can move where the added material goes before exporting.

A common case: your video, reel, or slideshow runs 90 seconds but the song only lasts 60. Extend it to 90 seconds and the music fills the whole clip without a sudden stop. The same works for a performance or presentation that needs background music to cover a fixed stretch of time.

One thing to know: this repeats the song's own sections to make it longer. It does not invent new melody or lyrics that weren't in the recording, so the result still sounds like the original track.

A practical tip: pick a target close to a whole number of repeats of a section. Songs with clear, repeating choruses extend more cleanly than tracks that change constantly.

Does it just loop the file? No. It cuts at beat-aligned points and reassembles the song to your length, so the join is far smoother than a plain repeat. It works right in your browser with nothing to install, and handles common formats like MP3 and WAV.