Create custom audio loops and sound effects directly in your browser. > Web Audio Loop Designer is a streamlined, professional tool for game developers who need original audio assets fast. Whether you're building a prototype or a full project, this tool allows you to synthesize sounds, sequence patterns, and export them as high-quality WAV files without installing any software.

Key Features:

  • Built-in Synthesizer: Generate sounds from scratch using Sine, Square, Sawtooth, or Triangle waveforms.
  • 16-Step Sequencer: A classic grid interface to compose rhythmic loops and melodies for your game.
  • Mini-Piano Interface: Test notes and chords instantly with the integrated 1-octave keyboard.
  • Professional Audio Control: Fine-tune your sounds with ADSR envelope sliders (Attack, Decay, Sustain, Release).
  • Echo & Delay Effects: Add depth and atmosphere to your loops with customizable delay and feedback settings.
  • Universal Export: Download your creations as standard .wav files, ready to be dropped into any game engine.
  • State Management: Save and load your sequencer patterns as JSON files to continue working later.

How to use:

  1. Select your desired waveform and adjust the ADSR sliders to shape the sound.
  2. Click the cells in the 16-step grid to create a loop pattern.
  3. Use the Mini-Piano to find the right notes for your synth tracks.
  4. Adjust the BPM and hit Play to hear your composition.
  5. When satisfied, click "Export WAV" to save your loop.

Technical Specs:

  • Powered by the native Web Audio API.
  • No external libraries, samples, or dependencies.
  • Lightweight, single-file execution.
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