// Get ticks per quarter from MIDI function getTicksPerQuarter(midiFile) return midiFile.header.ticksPerBeat
.upload-area:hover border-color: #2c7da0; background: #f0f6fe;
.action-bar display: flex; gap: 16px; justify-content: flex-end; margin-bottom: 28px; flex-wrap: wrap; midi to thirty dollar website
// File loader function loadMidiFile(file) if (!file
.upload-icon font-size: 48px; margin-bottom: 12px; // Get ticks per quarter from MIDI function
canvas#pianoCanvas background: #0f1720; border-radius: 14px; width: 100%; height: auto; display: block;
// Helper: show status function setStatus(msg, isError = false) midiStatus.innerHTML = msg; midiStatus.style.background = isError ? '#ffe6e5' : '#e9f0f5'; midiStatus.style.color = isError ? '#b00020' : '#1f5e7a'; No need
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes"> <title>MIDI to Sheet Music - $30 Web Tool</title> <!-- Google Fonts + simple reset --> <link href="https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,400;14..32,500;14..32,600&display=swap" rel="stylesheet"> <!-- AlphaVantage for free audio visual? No need. We use MIDI.js + VexFlow style rendering --> <script src="https://cdn.jsdelivr.net/npm/midifile@1.2.1/dist/MidiFile.min.js"></script> <!-- For rendering piano roll & notation: we'll use canvas & VexFlow (free) --> <script src="https://unpkg.com/vexflow@4.2.5/build/cjs/vexflow.js"></script> <!-- html2canvas for PDF generation (free, client-side) --> <script src="https://cdnjs.cloudflare.com/ajax/libs/html2canvas/1.4.1/html2canvas.min.js"></script> <style> * box-sizing: border-box; body font-family: 'Inter', sans-serif; background: #f6f9fc; margin: 0; padding: 24px 20px; color: #1e2a3e;
.container max-width: 1300px; margin: 0 auto; background: white; border-radius: 32px; box-shadow: 0 20px 35px -12px rgba(0,0,0,0.1); overflow: hidden; padding: 28px 32px 40px; transition: all 0.2s;