AudioStrip
AudioStrip Ltd · Voice & Language
AudioStrip is a free online vocal isolator that splits vocals from the backing music in any song. It runs in your browser, takes the audio file you upload, and returns a vocal track and an instrumental track using AI models trained on large music datasets. Alongside isolation, it handles noise removal for speech recordings, batch processing, AI mastering, and key or BPM detection.
About AudioStrip
What Is AudioStrip
AudioStrip is a browser-based AI stem separation tool built for musicians, producers, and anyone who wants a clean vocal or instrumental from a mixed track. Founded by Basil Woods and Vipul Thakurdesai and run by AudioStrip Ltd, a UK company incorporated in October 2021, it started as a hobby project after Woods noticed how hard the available stem separation research was for musicians to actually use.
The core task is simple. Upload a song, and the AI analyzes the frequencies and waveform, then returns separated stems, usually a vocal track and an instrumental. Newer algorithms also pull out drums, guitar, and piano, and split lead from backing vocals. The site won the attention of working producers: KaraFun Group, composer Paul Farrer, and MusicTech journalist Alex Holmes all left testimonials on the homepage.
Know the limits before you lean on it. The free plan caps you at a few isolations per month, forces MP3 output, and keeps uploads under 50 MB and 8 minutes. Free isolation can also take 15 to 60 minutes. Premium lifts those ceilings and speeds things up. No official API, no mobile app. It's a browser tool.
Getting Started
- Go to audiostrip.co.uk and pick a service: Isolate, noise removal, Master, or Batch. Free isolation works without an account for the first few runs.
- Upload your audio file. Accepted formats are wav, mp3, ogg, m4a, wma, and flac, and wav or flac give the cleanest results since they don't compress the sound.
- Choose what you want out, typically vocals, instrumental, or both, and start the process.
- Wait for the AI to finish. Free runs sit in a queue and can take 15 to 60 minutes. Premium is more than 10x faster.
- Download the stems. Premium users also get the files emailed and can output WAV or FLAC instead of MP3.
Product Information
A quick look at AudioStrip's pricing, supported platforms, and performance.
Best for
The users, tasks, and scenarios where this tool fits best.
Users
- Musicians and hobby producers
- Karaoke fans
- Podcasters and voiceover artists
Tasks
- Splitting a song into vocals and backing track
- Cleaning up a noisy recording
- Getting a rough master
Scenarios
- Remixing or making a mashup
- Practicing or covering a song
- Quick audio cleanup before a deadline
Key features
AI Vocal and Instrumental Isolation
This is the core of AudioStrip. Upload a song and the AI works to isolate vocals, splitting it into a vocal track and an instrumental, analyzing frequencies and waveform to decide what belongs to which part. The company says it updates the algorithms when better research methods appear. Separation quality is the reason working producers quote the tool. Results vary by track, so a clean mix beats a dense or lo-fi one.
Stem Separation for Individual Instruments
Beyond vocals, AudioStrip separates drums, guitar, and piano into their own tracks, and it can tell lead vocals apart from backing vocals when a track has multiple singers. That matters for remixers and producers who want to rebuild a song piece by piece rather than just mute the singer. The piano and guitar algorithms launched in 2024, so this side of the tool is newer than the core vocal split.
Speech Denoising
The noise removal service reads recorded speech and can denoise audio automatically, aimed at video, podcast, and voiceover work. Upload a clip with roadworks, wind, or static in the background and the AI strips it out. It won't rescue audio where noise overlaps the voice itself. For common room tone and street sound, it saves a re-record.
AI Mastering
AudioStrip Master takes your unmastered track along with a reference song you want it to sound like, then masters it automatically. The pitch is straightforward: get a usable master without booking a mastering engineer. It's a one-click tool rather than a full mastering suite, so expect a ballpark match to the reference rather than a precise reproduction.
Batch Uploads
Premium users can drag in several songs at once and let the queue work through them, and finished files get emailed automatically. For anyone processing a back catalog or a set of tracks, that removes the one-at-a-time grind the free plan imposes. It sits behind the paywall, so you need a subscription to use it.
Key and BPM Finder
A separate search tool looks up the key and BPM of tracks by song, artist, album, genre, or key, with song data licensed from Spotify. It's handy when you're mixing or DJing and want to check tempo before you commit. You can also filter by genre and browse popular tracks. A quick way to sort an audio stem splitter session before it starts.
Pros and cons
Pros
- Free tier is real. You get a few isolations, masters, and Enhancements per month without paying, which is enough to test quality on your own songs.
- The vocal separation quality draws praise from working producers and a MusicTech journalist, and stems come out clean on well-mixed tracks.
- A single site covers isolation, denoising, mastering, batch work, and key or BPM lookup, so you don't stitch together several tools.
- Premium is cheap at £5.99/month and includes a 15-day free trial, plus WAV and FLAC output for lossless stems.
Cons
- Free isolation can take 15 to 60 minutes per track and only outputs MP3, which is rough if you need stems quickly or want lossless quality.
- Upload limits are tight on the free plan: 50 MB and 8 minutes per file, enough for a single song but not a long DJ set or live recording.
- Separation quality depends on the source track. Dense or low-quality audio can leave artifacts, and the site itself says some songs work much better than others.
- There's no official API and no mobile app, so you can't wire AudioStrip into a production pipeline or use it offline on a phone.
Frequently asked questions
AudioStrip separates audio into stems, most often splitting the vocals from the instrumental in a song. It also removes noise from speech recordings, masters tracks against a reference, and can detect a song's key and BPM.
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