Whether you’re a music producer, DJ, karaoke enthusiast, or just someone who loves to tinker with tracks, audio stem splitting is an essential tool stem splitter. It allows you to isolate vocals, drums, bass, and other elements of a song — opening up creative possibilities like remixing, sampling, and learning individual parts of a track.
The good news? You don’t need expensive software to do this. There are free online audio stem splitters that do a surprisingly great job. In this post, we’ll dive into the best free stem splitters available online in 2025, highlighting their features, pros, and any limitations you should know.
🎼 What Is an Audio Stem Splitter?
An audio stem splitter uses AI to deconstruct a full song into separate parts or “stems” — like vocals, drums, bass, and instruments. This is made possible by machine learning models trained to recognize patterns in sound frequencies. Whether you’re removing vocals for karaoke or isolating drums for a remix, stem splitters make it easy.
🏆 Best Free Audio Stem Splitters Online
1. LALAL.AI (Free Version)
Website: https://www.lalal.ai
LALAL.AI is one of the most accurate online stem splitters. It uses next-gen AI called Phoenix to isolate stems with high clarity.
Free Tier Includes:
- Up to 10 minutes of free processing (one-time)
- Supports vocals, instrumental, drums, bass, piano, and more
- Simple drag-and-drop interface
Pros:
- Clean results, especially for vocals and instrumentals
- Multiple stem options
- Fast processing
Cons:
- Limited free time
- Requires email for export
2. Moises.ai (Free Account)
Website: https://moises.ai
Moises.ai offers real-time stem separation with powerful features — and even a mobile app for on-the-go users.
Free Tier Includes:
- Up to 5 song uploads per month
- Split into 2, 4, or 5 stems (vocals, drums, bass, etc.)
- Pitch, tempo, and key change tools
Pros:
- Excellent mobile and web experience
- Built-in practice and remix tools
- Account sync across devices
Cons:
- Monthly limit on uploads
- Requires sign-up
3. Splitter.ai
Website: https://splitter.ai
A quick and no-frills tool that lets you split any track into 2 or 5 stems.
Free Tier Includes:
- 2-stem or 5-stem separation
- No account required
- Drag-and-drop simplicity
Pros:
- Completely free and easy to use
- No sign-up necessary
- Works fast for most common use cases
Cons:
- Less accurate than LALAL.AI or Moises
- Limited file formats
4. Demucs on Hugging Face (Open-Source Option)
Website: https://huggingface.co/spaces
Demucs is an open-source AI model developed by Meta (Facebook). You can use public spaces on Hugging Face to run stem separation for free.
Free Tier Includes:
- 4-stem and 6-stem splitting
- Upload and download within minutes
- No sign-up required for many spaces
Pros:
- Highly accurate (used in many pro tools)
- Open-source and community-supported
- More control for advanced users
Cons:
- UI not as polished
- Depends on server load
🔍 Quick Comparison Table
| Tool | Free Limit | Stem Options | Sign-Up Required | Mobile App |
|---|---|---|---|---|
| LALAL.AI | 10 min (one-time) | 2–6 stems | Yes | No |
| Moises.ai | 5 songs/month | 2–5 stems + editing | Yes | Yes |
| Splitter.ai | Unlimited | 2 or 5 stems | No | No |
| Demucs (HF) | Varies | 4–6 stems | Optional | No |
🎤 Final Thoughts
If you’re looking for the most accurate free stem separation, go with LALAL.AI or Moises.ai. If you want something quick and easy with no sign-up, Splitter.ai gets the job done. For open-source enthusiasts, Demucs via Hugging Face is powerful and flexible.
