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Overview
AudioCraft is a browser‑based AI audio toolkit that lets you split a track into separate stems, find its tempo and key, shift pitch, and merge files. The service runs entirely online, so you upload a file, the AI processes it, and you download the result as WAV or MP3.
The core feature is the AI Stem Splitter, which separates a song into four stems: vocals, drums, bass, and “other” instruments. You can drag and drop an MP3, WAV, FLAC, or M4A file up to 25 MB, then preview each stem in the browser before downloading the ones you need. After you verify an email address you receive three free minutes of processing; a one‑time Starter pack costs $9.90 for 100 minutes of AI processing. The tool notes that separation is an estimate, so some bleed or artifacts may appear in dense mixes, but the output is usable for practice, remixing, or educational purposes. Musicians who want to isolate a part for rehearsal, DJs preparing karaoke tracks, or producers looking for remix material will find the stem splitter helpful, while users needing perfectly clean multitrack stems for professional mastering may encounter limitations.
In addition to stem separation, AudioCraft offers a BPM & Key Finder that instantly returns the tempo and musical key of an uploaded track, and this function is free and unlimited. You simply upload the same supported audio formats, and the service displays the BPM and key without additional steps. The Pitch Changer lets you shift a song's pitch by semitones or cents and optionally change its speed; the interface includes a slider for fine‑grained control, and the altered audio can be downloaded in the same formats. Finally, the Audio Merger combines multiple audio files into a single track; you add each file, order them as desired, and the tool outputs a merged WAV or MP3. All tools operate in the same web interface, and files are temporarily stored for processing and automatically deleted afterward, which may be relevant for users concerned about privacy.
Key features
- AI Stem Splitter creates four stems (vocals, drums, bass, other) from MP3, WAV, FLAC, or M4A files up to 25 MB
- Preview each stem online before downloading as WAV or MP3
- BPM & Key Finder provides tempo and key instantly, unlimited free use
Details
- Pricing
- Freemium
- Category
- Audio
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Pros and cons
Pros
- No software installation required; everything runs in the browser
- Supports common audio formats and offers both WAV and MP3 output
- Free unlimited access to BPM/Key Finder, Pitch Changer, and Audio Merger
- Clear pricing for additional stem‑splitting minutes
Cons
- Free stem‑splitting is limited to 3 minutes after email verification
- Maximum file size is 25 MB, which may be restrictive for high‑resolution tracks
- No published pricing for enterprise or bulk usage beyond the Starter pack.
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