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4 months agoFree Pitch Changer
- Pitch Changer — a free tool to change a song's key or speed online
- Shift pitch by semitones or transpose straight to a target key, with the original → new key shown on the Camelot wheel
- Adjust speed independently, keep vocals natural with formant compensation, and apply a one-click Slowed + Reverb preset
- Export to WAV or MP3 — everything runs in your browser, nothing is uploaded
4 months agoFree Song Key & BPM Finder
- Key & BPM Finder — a free tool to find any song's musical key and tempo
- Detects the key, BPM, and Camelot code with harmonic neighbours for easy mixing
- Analyze a file or use your microphone — everything runs in your browser, nothing is uploaded
4 months agoAPI File Size Limit Increased to 500 MB
- API file size limit raised from 100 MB to 500 MB — better support for high-quality studio files and long-form content
- Limit applies to API uploads (presigned URL flow); web app upload limits are unchanged
- Need more than 500 MB? Contact us for an enterprise limit increase
4 months agoMore Audio Formats & More Reliable Uploads
- Expanded input support — upload AAC, Opus, AIFF, and WMA files in addition to MP3, WAV, FLAC, M4A, OGG, and WebM
- Every tool now accepts the same formats, whether you use the web app, the public API, or RapidAPI
- More reliable uploads — files the browser can't preview locally now process correctly using server-side duration detection
- Works across Stem Separator, Voice Cleaner, and the developer API
4 months agoMaximum Audio Duration Increased to 120 Minutes
- Maximum audio duration raised from 60 minutes to 120 minutes — supports long-form content like full episodes, DJ sets, and live recordings
- Applies to both the web app and the API
- Need longer? Contact us for an enterprise limit increase
4 months agoVoice Cleaner Tools
- Voice Cleaner — a suite of AI tools for cleaning up voice recordings
- Echo Remover — remove room echo and reverb from vocals
- Hiss Remover — eliminate tape hiss and high-frequency noise
- Hum Remover — strip 50/60 Hz electrical hum from recordings
- Static Noise Remover — clean up crackling and static
- Wind Noise Remover — reduce wind interference from outdoor recordings
5 months agoFree Credits Update
- New users now receive 5 free minutes on signup (previously 10) — existing users keep their balance unchanged
- Credits still never expire — top up anytime from $2
9 months agoCamelot Wheel & Compatible Keys
- Camelot wheel notation — see DJ-friendly key codes (e.g. Am shows as "8A") for easier harmonic mixing
- Compatible keys display — click any key to see harmonically compatible keys for smooth transitions
- Perfect for DJs and producers building seamless sets
9 months agoBPM & Key Detection
- Automatic BPM and key detection — every track you process now shows its tempo and musical key
- Displayed on all job detail pages for easier mixing and remixing
- Powered by librosa, an industry-standard audio analysis library
- YouTube video previews now load instantly — title, duration, and channel info appear as soon as you paste a URL
9 months agoSoundCloud Support & Public API
- SoundCloud to Stems — paste any SoundCloud URL and get separated stems in seconds
- Track artwork, title, and artist are displayed automatically
- Public API on RapidAPI — integrate stem separation directly into your apps
9 months agoFile Conversion & Faster Downloads
- File Conversion tool — convert audio files between MP3, WAV, FLAC, OGG, and AAC
- Migrated to high-speed cloud storage for significantly faster stem downloads
9 months agoDeveloper Documentation
- Complete API reference and integration guides now available at stemsplit.io/developers
- Step-by-step guides for Discord bots, Zapier, n8n, and more
9 months agoReferral Program
- Referral program — get 5 free minutes when a friend signs up with your link
- Credits are added to your account automatically — find your link in Settings
9 months agoSettings, 2FA & API Keys
- Settings pages — manage billing, security, and API keys in one place
- Two-factor authentication (2FA) for enhanced account security
- API key management for developers building on top of StemSplit
9 months agoJobs Page & Stem Previews
- Jobs page — view all your processing jobs in one place
- Preview stems before downloading — listen to 30-second previews
- Download individual stems or grab everything as a ZIP bundle
9 months ago10 Languages
- Full interface now available in 10 languages: English, Portuguese, Indonesian, Russian, Japanese, Thai, French, Italian, Turkish, and Vietnamese
9 months agoPasswordless Login & 2FA
- Magic link authentication — sign in without a password, just with your email
- Passkey support for secure, hardware-backed login
- Two-factor authentication (2FA) for enhanced security
9 months agoCredit-Based Pricing
- Pay only for what you use — no subscriptions
- Free credits for new users to try before you buy
- Credits never expire
9 months agoMultiple Output Formats
- Choose your output format: WAV, MP3, FLAC, OGG, or AAC
- Lossless WAV for maximum quality, compressed MP3 for smaller files
9 months agoQuality Presets
- Three quality presets: Fast, Balanced, and Best
- Fast mode processes in roughly 20 seconds per minute of audio
- Best quality is required for 6-stem separation
9 months ago2, 4 & 6 Stem Modes
- Choose 2-stem (vocals + instrumental), 4-stem (vocals, drums, bass, other), or 6-stem (adds piano and guitar)
- Upload audio directly — MP3, WAV, FLAC, M4A, OGG, and WebM supported
9 months agoStemSplit Launched
- AI-powered stem separation — extract vocals, instrumentals, drums, bass, and more from any song
- YouTube to Stems — process any YouTube video by pasting the URL