A free, no-code visual sampler and instrument designer — open index.html in any modern browser on Windows or Mac. No installation required.
| Feature | Details |
|---|---|
| 🎹 Playable Piano | 88-key scrollable keyboard — click, drag, or use your computer keyboard |
| 🎵 WAV Sample Loading | Drag & drop WAV files onto the sample panel, or browse/batch import |
| 🗺️ Sample Mapping | Set Root/Lo/Hi note for each sample; pitch-shifted playback across the keyboard |
| 🔄 Auto Map | One-click distributes all samples chromatically across the keyboard |
| 🎚️ ADSR Envelope | Attack, Decay, Sustain, Release sliders with live visual display |
| 🎛️ Filter | Low Pass / High Pass / Band Pass / Notch with Freq, Q, Gain knobs |
| 📊 3-Band EQ | Low (250 Hz), Mid (1 kHz), High (4 kHz) with ±12 dB range |
| 🔊 Volume & Velocity | Master volume + velocity sensitivity control |
| 🎡 Rotary Knobs | Drag up/down to turn; double-click to reset |
| 🖼️ Background Image | Upload any image as the instrument's visual background |
| 🔁 Round Robin | Cycles through multiple samples per note to avoid repetition |
| ⏺️ Melody Recorder | Record your playing, play it back, export as a WAV file |
| 💾 Preset Save/Load | Save your full instrument (samples + settings + image) as a .sis file |
| 📤 Share | Export portable .sis preset files to share with others |
| 🔒 License Tagging | Tag each instrument with Personal / Commercial / CC license info |
- Open
index.htmlin Chrome, Edge, Firefox or Safari (no server needed) - Drag WAV files into the Samples panel on the left
- Click Auto Map to spread them across the keyboard automatically
- Play notes using your mouse or computer keyboard (see shortcuts below)
- Adjust ADSR, Filter, EQ in the right panel to shape the sound
- Hit ⏺ Record, play your melody, then 💾 Export WAV
- Hit Save to save your instrument as a
.sisfile
| Key | Function |
|---|---|
A S D F G H J K L ; ' |
White keys (C D E F G A B C D E F) |
W E T Y U O P |
Black keys (C# D# F# G# A#) |
Z / X |
Octave down / up |
Space (hold) |
Sustain pedal |
.sis files are JSON archives containing:
- All sample audio data (base64-encoded WAV)
- Key mapping (root, lo, hi notes per sample)
- All instrument settings (ADSR, filter, EQ, pitch, etc.)
- Optional background image
When sharing instruments commercially, ensure you hold appropriate licenses for all audio samples included. Use the License selector in the export screen to tag your instrument accordingly.
Works in any browser that supports the Web Audio API (all modern browsers on Windows and Mac). For DAW integration: export your melody as a WAV and import it into any DAW (Ableton, Logic, FL Studio, etc.).