Audio Processing

Professional 10-band parametric equalizer from 32Hz to 16kHz. Includes presets for bass boost, treble boost, vocal, rock, pop, jazz, and classical. Real-time adjustment with live preview.

Create smooth fade-in and fade-out transitions with multiple curve types: linear, exponential, logarithmic, S-curve, and ease-in-out. Adjustable duration and visual envelope preview.

Convert audio files between WAV, MP3, OGG, AAC, M4A, FLAC formats online. Adjust bitrate and quality settings. Free browser-based conversion with no file uploads to servers.

Combine multiple audio files into one track. Drag and drop to reorder, merge MP3s, WAVs, and other formats. Create seamless audio compilations online.

Shift audio pitch up or down by semitones with musical interval names (octave, perfect fifth, major third). Fine-tune with cents adjustment. Option to preserve original duration using granular synthesis.

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.

Speed up or slow down audio playback from 0.25x to 4x without changing pitch. Perfect for transcription, music practice, podcast speed adjustment, and audiobook listening.

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.

Normalize audio loudness using Peak, RMS, or LUFS standards. Apply streaming presets (-14 LUFS for Spotify/YouTube), broadcast (-23 LUFS), or CD mastering levels. Visual loudness meter included.

Generate beautiful waveform visualizations from audio files. Choose from bars, mirror, line, or circular styles. Customize colors and export as PNG.

Detect the tempo (BPM) of any audio file. Includes tap tempo feature and genre reference guide.

Remove background noise and unwanted silence with professional noise gate. Adjust threshold, attack, release, and range parameters. Includes presets for voice, music, and aggressive gating.

Record audio from microphone directly in browser. Real-time waveform visualization, pause/resume, and export to multiple formats (MP3, WAV, OGG). No software installation required.

Free online metronome with BPM range 20-300, tap tempo, time signatures (2/4 to 12/8), accent patterns, and multiple click sounds. Visual beat indicator included.

Add professional reverb effects with 9 presets: Small Room, Hall, Cathedral, Canyon, Bathroom, Plate, Spring, and Studio. Adjust pre-delay, decay, wet/dry mix, and frequency damping.

Create custom ringtones from any audio file. Select portion, add fade effects, export for iPhone (.m4r) or Android (.mp3).

Automatically detect and mark silent sections in audio files. Visual waveform with highlighted silence regions. Remove all silences at once or export individual segments.

Convert text to speech using browser Web Speech API. Choose from multiple voices, adjust speed and pitch, and play audio directly.

Generate pure audio tones with sine, square, sawtooth, and triangle waveforms. Create multiple oscillators, binaural beats, and export as WAV.

Remove or isolate vocals from songs using phase cancellation. Create karaoke tracks, extract vocals, or isolate center-panned content. Works best with stereo professionally mixed tracks.

Transform voices with 9 effects: Chipmunk, Deep Voice, Robotic, Alien, Echo, Telephone, Monster, Whisper, and Helium. Includes pitch shift, filters, distortion, and modulation controls.