Online Audio Mastering with Immersive Spatial Engine

Master your music in seconds — upload your track and get professional-quality audio mastering powered by AI. Free preview available. LOUDCRAFT automatically detects your genre, applies a multi-stage mastering pipeline, and delivers streaming-ready audio with immersive spatial enhancement.

How It Works

  1. Upload your audio file (MP3, WAV, FLAC, AAC, and more — up to 200MB)
  2. AI Analysis — automatic genre detection, loudness measurement, and spectral analysis
  3. Processing — 10-stage mastering pipeline with spatial engine, EQ, compression, and loudness normalization
  4. Download your mastered track, ready for Spotify, Apple Music, YouTube, and all streaming platforms

Why LOUDCRAFT?

  • AI Genre Detection — Neural network identifies your genre and applies optimized mastering profiles for Pop, Rock, Hip-Hop, Electronic, Latin, Jazz, Classical, Metal, R&B, and more
  • Immersive Spatial Engine — 8-stage stereo enhancement with Mid/Side processing, Haas effect, and frequency-dependent widening. No other online mastering service offers spatial audio processing
  • LUFS Normalization — Target loudness for Spotify (-14 LUFS), Apple Music (-16 LUFS), YouTube, and custom targets
  • True Peak Limiting — Broadcast-safe limiting at -1 dBTP prevents inter-sample clipping
  • A/B Comparison — 14 real-time visualizations to compare your original and mastered audio
  • Free Preview — 3 masters per day with full quality processing, no account required. Pro and Studio plans for unlimited access

Supported Audio Formats

MP3, WAV, FLAC, AAC, OGG, M4A, AIFF, OPUS, WMA — up to 200MB per file. Batch processing available on Pro and Studio plans.