Free trial
A free first run is advertised directly on the homepage, described as taking about one minute and requiring no payment details in the copy shown.
Learn moreExtend music
Generative AI that takes an existing track and builds it further
Beginner
What is Extend music?
Extend music is an audio editing tool. A browser based generative music tool that continues and develops music you upload, aimed at composers and producers who want to extend a sketch or motif rather than generate a track from a text prompt.
ExtendMusic.AI is a web tool built around a single, focused job: taking a piece of music you already have and letting a generative model continue it. You upload your own composition, the AI produces new material that carries the same idea forward, and the result is a longer or richer piece than the one you brought in. The product is positioned for music creators who want to develop sketches, add sections to short ideas, or explore where a motif could go without writing every bar by hand. The workflow is deliberately short. The site invites visitors to start creating directly in the browser app, and it advertises a free run that takes about a minute, so the first experiment costs nothing and does not require a download or a production setup. A public example built on Für Elise shows the intended use: a well known piano piece fed in, a generated continuation coming out. That framing says a lot about the audience, which spans hobbyist composers, students and producers who want a fast second opinion on where a theme might lead. In practice the tool sits closer to an idea generator than to a full digital audio workstation. It handles the generative step, and the surrounding work (arranging, mixing, deciding what to keep) stays with the user. Compared with broad music generation platforms that start from a text prompt and produce a whole track from scratch, ExtendMusic is narrower and more collaborative: your audio is the starting point and the model builds on it rather than replacing it. That makes it useful for people who already have material and want momentum, less so for anyone hoping for a complete song from a one line description. The homepage is thin on specifics. It does not list output formats, length limits, model versions, or the price of paid use, so those details need checking inside the app before committing. No API or third party integration is advertised. Platforms: web only.
How do you use Extend music?
1Open the web app
Go to the site and choose the start creating option, which takes you into the browser based editor. No install is needed.
2Start a free run
The site advertises a free first attempt that takes about a minute. Use it to see how the model responds before deciding on anything paid.
3Upload your track
Bring in the composition you want continued. A short, clean idea with a clear melody tends to give the model something concrete to build on.4Generate the extension
Run the generation and let the model produce new material that follows your original. Watch the progress indicator while the job runs.5Review and keep what works
Listen to the result, keep the passages that fit your idea, and discard the rest. Expect to repeat the process a few times before settling on a usable extension.
Pros and cons
Pros
- Single clear purpose: extending user supplied music rather than generating from scratchAI
- Free starting point advertised, with a first attempt taking roughly a minuteAI
- Runs in the browser, so no install or local GPU is requiredAI
- Works from your own audio, which keeps your original material at the centreAI
- Low barrier for beginners: upload, generate, listen, decideAI
Cons
- Homepage gives no detail on paid pricing, output formats or length limitsAI
- No API or third party integrations are advertisedAI
- Narrow scope means no mixing, mastering or arrangement tools alongside generationAI
- Little public documentation or guidance on how the model treats different genresAI
- Only a web app is offered, with no desktop or mobile client mentionedAI
How much does Extend music cost?
Pricing
The homepage states that you can start creating for free and try the tool at no cost in about a minute, but it does not publish paid plan prices, tiers or what a paid subscription includes.
Learn moreFeatures
Upload your own music and let a generative model extend it into new material. The tool is designed to develop existing compositions rather than build tracks from text prompts, with a browser app that runs generation on your audio and returns a continuation.
Frequently asked questions about Extend music
How much does Extend music cost?
The homepage states that you can start creating for free and try the tool at no cost in about a minute, but it does not publish paid plan prices, tiers or what a paid subscription includes.Does Extend music offer a free trial?
A free first run is advertised directly on the homepage, described as taking about one minute and requiring no payment details in the copy shown.How do you use Extend music?
The walkthrough on this page covers 5 steps: 1. Open the web app 2. Start a free run 3. Upload your track 4. Generate the extension 5. Review and keep what works.What platforms does Extend music support?
Extend music is available on Web App.What are the limitations of Extend music?
Homepage gives no detail on paid pricing, output formats or length limits. No API or third party integrations are advertised. Narrow scope means no mixing, mastering or arrangement tools alongside generation.
Status
StatusActive
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Added10/21/2026
Platforms
Web App
Pricing
FreeFreemium
