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How to Extend a Song with AI
Make any track longer in three quick steps. Everything runs in your browser, so you can extend a song without a DAW, loops, or manual editing.
1. Add Your Song
Upload an MP3, WAV, or FLAC file up to 20 MB, or pick a song you already made with Lyrics into Song.
2. Let AI Continue the Music
AI listens to the melody, rhythm, instruments, and vocals, then writes new music that picks up where your track ends.
3. Listen and Download
Preview both extended versions, compare them with the original, and download the one that fits best.
AI Song Extender FAQ
How does AI extend a song?
The AI analyzes the key, tempo, instrumentation, and vocal style of your track, then generates new sections that continue the song naturally. The result sounds like part of the original recording, not a loop or a copy-paste.
Is the AI song extender free to use?
New users get free credits to try the song extender at no cost. Each extension uses 1 credit. When your free credits run out, you can subscribe to get more.
What files can I extend?
You can upload MP3, WAV, or FLAC audio up to 20 MB, or choose any song from your My Songs library.
How long does it take to extend a song?
Most songs are ready in a minute or two. Longer tracks, larger files, or busy periods can take a little more time.
What can I use an extended song for?
Turn a short AI clip into a full song, add more time to background music for videos and podcasts, build a longer intro or outro, or explore new ideas for a demo you are working on.
How do I get the best results?
Start with a clean, well-mixed track that has a clear style and steady tempo. Heavy noise, abrupt endings, or constant genre changes make it harder for the AI to match the sound. If one version misses the mark, try the other or run the extension again.