NoteWarp

NoteWarp

VST3 & AU Plugin - AI-Powered MIDI Variation Generator

Transform your MIDI patterns into endless creative variations. Music-theory algorithms, ChordFit and AI language models.

Free trial - VST3 & AU plugin - Test before you buy Changelog v1.0.4
NoteWarp Plugin Interface
Input
MIDI
Record in DAW, drag & drop, or load file
Audio
Auto-transcribed to MIDI
Variation Engine
Easy mode icon
Easy
Quick variations with one click. No setup needed.
Pro mode icon
Pro
Individual algorithms with detailed parameters.
AI mode icon
AI
Describe what you want in words. AI generates it.
ChordFit mode icon
ChordFit
Fit any melody to your chord progression.
Output
New MIDI
Drag to DAW, export, or keep iterating

Watch NoteWarp in Action

'Easy' generation

Transform your note pattern into different musical elements with just one click. Smart, music-theory-aware methods to create new and interesting melodies.

Algorithms
  • Auto-detection of chords or melody
  • Easy and intuitive flow
  • From chords to other chords, melodies or bass lines
  • From melody to chords, varied melodies or bass lines
  • Generate acid basslines or basslines in Bodzin style

'Pro' for advanced tweaking

Transform any note pattern into a different musical element. Many parameters to generate and fine-tune results.

Algorithms
  • Nine powerful algorithms for instant generation from your notes
  • Each algorithm has parameters to control output
  • Generate Acid Basslines
  • Create shuffle patterns or variations
  • Extract bass notes from chords or melodies
  • Extract and repeat motifs
  • Generate melodies from chord progressions

AI Integration

Use AI language models (LLMs) to prompt your variations and ideas. Use cloud services or run completely offline with a local model.

AI LLM use
  • Prompt with natural language or pre-defined phrases and genres
  • Endless possibilities through full flexibility
  • Use your API key (BYOK): Google Gemini, OpenAI, Groq, or local LLM
  • Integrated "NoteWarp AI Service" (credits and internet connection needed)
  • Included in purchase: 10 AI credits
  • Privacy: Only MIDI data is sent, no personal information.

ChordFit

Autotune your melody to any chord progression.

ChordFit - Bidirectional Transformations
  • Import chord progression using recording, loading or drag & drop
  • Import melody to transform using recording, loading or drag & drop
  • Optional post-processing with algorithms for additional variation
  • Result: Your melody will sound in harmony with your chord progression

Audio to MIDI

Record audio from your DAW and convert to notes

Audio to MIDI conversion
  • Record audio from your DAW or drag & drop to transform into notes
  • Fast transformation with NoteWarp local AI model
  • Parameters to control post processing (key, note range, duration, sensitivity)
  • Delete notes in piano roll to reduce noise
Ivo Schmidt

Built by a Producer

Hi, I'm Ivo, a Berlin-based producer. NoteWarp started as a tool I built for my own workflow — generating MIDI variations without leaving the DAW. Now I'm sharing it with you.

Solo developer = direct support. Questions? Just ask.

Get NoteWarp

One-time purchase, no subscription

EARLY BIRD -36%

Professional License

39€ 25

plus VAT where applicable

  • macOS & Windows installers
  • VST3 & AU plugins included
  • Free updates for v1.x
  • Email support
  • Algorithms & ChordFit - no credits needed
Buy on Lemon Squeezy

✓ Secure checkout • PayPal & Cards • Instant delivery

Lemon Squeezy & Gumroad: Internet needed for activation of license

Optional

🤖 AI Credits

Only needed for AI/LLM text prompts - all other features work without credits.

50
Credits
€2.99
Buy

✓ Credits never expire • Internet needed for activation of license

🍎
macOS
14 or later
Intel & Apple Silicon
🪟
Windows
10 or 11
64-bit

Get in Touch

Have questions? I'm here to help.