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Trim, cut, and slice audio files with interactive waveform visualization. Drag handles to select portions, use keyboard shortcuts, zoom and pan, preview selection before export. Supports MP3, WAV, OGG, AAC.
Real-time audio frequency spectrum analyzer and visualizer. View frequency bars, waveform, and spectral display. Supports microphone input and file playback with multiple color themes.
Combine multiple audio files into one track. Drag and drop to reorder, merge MP3s, WAVs, and other formats. Create seamless audio compilations online.
Generate pure tones at any frequency from 20 Hz to 20,000 Hz. Select a waveform shape — sine, square, triangle, or sawtooth — set the frequency, and play. Useful for testing speakers, calibrating equipment, ear training, and tinnitus frequency matching.
Sweep through frequencies to check if your speakers reproduce the full audible range.
Learn to identify specific frequencies by ear — a useful skill for audio engineers and musicians.
All processing happens directly in your browser. Your files never leave your device and are never uploaded to any server.