1,000,000,000+
Seconds of music visualized
As of May 2026, the platform has rendered over 1 billion seconds of AI music visuals.
A Free Bass Splitter Built for Learning a Line by Ear
Upload any song and pull out just the bass line, clean and isolated. Free, with no signup and no limit on how many songs you process.
Built for Real Bass Study
Made to Actually Hear the Line Clearly
A bass stem only helps if the line comes through clean enough to actually follow note by note. This is built around that standard, pulling an isolated bass track rather than a muddy approximation still tangled up with drums and other instruments.
1,000,000+
Creators worldwide
As of May 2026, the platform has served over 1 million creators across the world.
Over 150
Countries resonated
As of May 2026, creators from more than 150 countries have built music videos with this platform.
How It Works
How to Isolate a Bass Line From Any Song
01
Upload the song
Bring in the full track. There's no length restriction, so a complete song processes the same way a short one would.
02
Select the bass stem
Choose bass specifically from the available stem options rather than pulling the whole instrumental as one combined file.
03
Let the separation run
The engine isolates the bass line from the rest of the mix automatically, without requiring manual EQ work on your end.
04
Download the isolated bass
Export the bass stem free, with no watermark and no restriction on how many songs you process this way.
Capabilities
Built for Clean, Usable Bass Isolation
Made for actually hearing the line, not guessing through the mix.
Clean Isolation, Not a Rough Guess
The bass line comes out separated from drums, guitar, and vocals rather than blended into a general instrumental. That distinction matters if you're trying to follow a specific note pattern closely, not just hear bass somewhere in the mix.
- True isolated bass stem
- Not blended with other instruments
- Clear enough to follow closely
No Signup to Get Started
There's no account creation step between choosing a song and getting the bass stem back. Upload and go, which matters when you're preparing lesson material or practicing and don't want an extra step in the way.
- No account needed
- No confirmation wait
- Start immediately
Full Songs, Not Short Clips
The entire track processes at once, not a trimmed preview. A bass line that cuts off partway through a song isn't useful for a full lesson or a complete practice session built around the whole piece.
- Complete song every time
- No mid-song cutoffs
- Works on any song length
No Cap on Repeated Use
There's no limit on how many songs you can process, and no credit balance ticking down as you build out a lesson plan or a practice playlist across many tracks.
- No monthly limit
- No credit system
- Scales with a full lesson plan
This Site Also Makes Karaoke Videos and Singing Photos
Beyond isolating bass, this site includes a karaoke and lyrics video maker for songs that need synced on-screen text, and an AI tool that turns a photo into a singing or talking video. Both are separate free tools if a project ever calls for either.
- Lyrics video maker included
- Photo-to-singing-video tool included
- Both free, same site
Free Export, No Watermark
Every isolated bass track downloads clean, with no watermark and no paid tier gating a better version of the same result. That stays true whether it's the first file you've ever processed here or the fiftieth one this month.
- No watermark, ever
- Full-quality export
- No paid tier needed
How It Stacks Up
karaokevideo.ai vs. LALAL.AI, Moises.ai, and Ultimate Vocal Remover
Grounded in each tool's published free-tier terms.
Feature
karaokevideo.ai
LALAL.AI
Moises.ai
Ultimate Vocal Remover
Price
Free, no paywall
Free preview only, paid plan for full split
Free tier capped at 5 uploads a month
Free, self-installed desktop app
Dedicated bass stem
Yes
Yes, on the paid tier
Yes, on the free tier
Yes, model-dependent
Sign-up required
No
No for preview, yes to pay
Yes, for the free tier
No, but requires installing software
Full-song processing
Yes, no trimming required
Depends on plan
Depends on plan
Yes, no length limit
Upload limit
No fixed cap
Varies by plan
5 uploads a month on free tier
No cap, processed locally
Setup required
None, browser-based
None, browser-based
None, browser or app
Desktop install and a capable GPU recommended
Watermark on output
None, ever
Not specified as watermarked
Not specified as watermarked
None
Why Creators Choose karaokevideo.ai
Built for Real Bass-Focused Work
Made to actually be useful for lessons, practice, and study.
Clean Enough to Teach With
A bass stem full of bleed from other instruments isn't usable for a real lesson. This is built to hold up in front of an actual student.
No Setup Friction
Skipping an account creation step means more time preparing lesson material and less time on registration steps.
Scales With a Full Lesson Plan
Isolating bass from an entire semester's worth of songs works the same way as doing just one, without a cap appearing partway through.
Works on Any Genre
Funk, rock, jazz, and other bass-heavy genres all process the same way, without needing different handling per style.
No Surprise Cost Mid-Semester
Finding out a tool wants payment partway through a teaching term is the last thing anyone needs. There's no such wall here.
Full Output, Not a Teaser
What downloads is the complete, usable bass stem every time, not a limited preview of a better paid version.
From Bass Teachers and Students Who Use This Regularly
What Teachers and Students Say
Reviews from people using this for real bass lessons and practice.
4.7/5
★★★★★
From 2,100+ bass lines isolated Featured on
PA
Prosper A.
Bass teacher
★★★★★
I build isolated bass tracks for students before every lesson now, and it has held up across an entire school year without ever asking for payment.
GL
Guinevere L.
Bass student
★★★★★
Learning a groove by ear got so much easier once I could hear the actual notes clearly without guessing through the rest of the mix.
CM
Cassius M.
Home studio bassist
★★★★★
Processed a dozen songs for a practice playlist in one sitting and never hit a limit, which is more than I can say for the last tool I tried.
BS
Bellamy S.
Music school instructor
★★★★★
We use isolated bass tracks as listening exercises for beginner students, and this has been reliable across a full term of regular use.
OV
Odile V.
Session bassist
★★★★★
Pulling reference tracks for a gig is faster now, and the isolation is clean enough to actually study the line closely before a session.
RK
Radomir K.
Cover band bassist
★★★★★
Our band uses this to learn new covers quickly, isolating bass so I can study my part separately without the whole mix in the way.
Who This Is Actually For
Built for Real Bass-Focused Learning and Practice
Not a novelty split, a tool for repeated real use.
Bass Teachers
Build isolated bass tracks for students ahead of lessons, without a per-song cost or a monthly cap slowing down lesson prep during a busy teaching term.
Bass Students Learning by Ear
Hear a specific line or groove clearly without the rest of the mix competing for attention, useful for learning a part accurately.
Home Studio Bassists
Isolate bass lines for practice or reference across a whole playlist of songs, without a limit interrupting a real practice routine.
Session Musicians
Pull a reference bass line quickly for a gig or a recording session, without needing specialized studio software to do it.
Cover Bands Learning New Material
Isolate bass so each band member can study their own part separately, speeding up how quickly a new cover comes together.
FAQ
Common Questions
What people ask before their first bass isolation.
How clean is the isolated bass line?
On a typical, well-mixed studio recording, the isolation is clean enough to follow individual notes closely, including fast runs and slides. Very dense mixes or heavily distorted bass tones can be a harder case for any separation tool, this one included.
Is there a limit on how many songs I can process?
No, there's no monthly cap or signup-credit system limiting repeated use, so building out a full lesson plan or practice playlist doesn't run into a wall partway through.
Do I need to sign up for an account?
No, there's no sign-up step required before you can start. Upload a song and get the isolated bass line back directly. That matters most when you're in the middle of a real project and don't want an extra registration step slowing down the work.
Can I get other stems from the same song too?
Yes, this site's stem splitter supports other instrument types as well, so pulling bass and drums from the same upload, for example, is not a problem.
Does it work on live recordings, not just studio tracks?
Yes, though expect a somewhat rougher result than a studio recording. Crowd noise and room sound both make isolation slightly less clean on a live source compared to a controlled studio environment.
What file formats does it accept?
Common formats like MP3 and WAV both work without needing to convert first, whatever the source recording happens to be in. There's no need to convert a file into a specific format before it will work, which saves a step compared to tools that only accept one narrow file type.
Is there a watermark on the isolated track?
No, every export is clean with no watermark added, on the free tier or otherwise. That holds true no matter how many times you come back to use the tool, not just on a first try.
Is there a song length limit?
No, the full song processes from start to finish regardless of length, so a longer track doesn't need to be trimmed before uploading. A short clip and a full multi-minute track both process through the same pipeline without special handling.
How long does processing take?
Most songs finish in well under a minute, though longer or more complex tracks can take a bit more time to process fully. There's no artificial delay added on top of the actual separation work, so the wait is only ever as long as the processing genuinely requires.
Can I use this for a full semester of lesson prep?
Yes, there's no cap tied to how long you use the tool or how many songs you process over a term, so it holds up for ongoing, regular lesson preparation.
- How clean is the isolated bass line?
- On a typical, well-mixed studio recording, the isolation is clean enough to follow individual notes closely, including fast runs and slides. Very dense mixes or heavily distorted bass tones can be a harder case for any separation tool, this one included.
- Is there a limit on how many songs I can process?
- No, there's no monthly cap or signup-credit system limiting repeated use, so building out a full lesson plan or practice playlist doesn't run into a wall partway through.
- Do I need to sign up for an account?
- No, there's no sign-up step required before you can start. Upload a song and get the isolated bass line back directly. That matters most when you're in the middle of a real project and don't want an extra registration step slowing down the work.
- Can I get other stems from the same song too?
- Yes, this site's stem splitter supports other instrument types as well, so pulling bass and drums from the same upload, for example, is not a problem.
- Does it work on live recordings, not just studio tracks?
- Yes, though expect a somewhat rougher result than a studio recording. Crowd noise and room sound both make isolation slightly less clean on a live source compared to a controlled studio environment.
- What file formats does it accept?
- Common formats like MP3 and WAV both work without needing to convert first, whatever the source recording happens to be in. There's no need to convert a file into a specific format before it will work, which saves a step compared to tools that only accept one narrow file type.
- Is there a watermark on the isolated track?
- No, every export is clean with no watermark added, on the free tier or otherwise. That holds true no matter how many times you come back to use the tool, not just on a first try.
- Is there a song length limit?
- No, the full song processes from start to finish regardless of length, so a longer track doesn't need to be trimmed before uploading. A short clip and a full multi-minute track both process through the same pipeline without special handling.
- How long does processing take?
- Most songs finish in well under a minute, though longer or more complex tracks can take a bit more time to process fully. There's no artificial delay added on top of the actual separation work, so the wait is only ever as long as the processing genuinely requires.
- Can I use this for a full semester of lesson prep?
- Yes, there's no cap tied to how long you use the tool or how many songs you process over a term, so it holds up for ongoing, regular lesson preparation.