Audio & Sound Tools
Trim, record, boost volume, reverse, generate frequencies, and synthesize white noise completely offline.
All Audio & Sound Tools
Every tool runs 100% locally in your browser with zero server uploads.
Audio Trimmer & Ringtone Cutter
Trim MP3, WAV, and OGG audio files with visual waveform selection, millisecond precision start/end markers, and instant local download.
High-Definition Microphone Voice Recorder
Record crystal-clear voice and microphone audio directly in your browser with real-time audio visualizer waves, pause controls, and WAV/WebM export.
Audio Speed, Tempo & Pitch Changer
Speed up or slow down audio playback from 0.25x to 3.0x with optional semitone pitch shifting without uploading your recordings.
Audio Volume Booster & Gain Normalizer
Amplify quiet audio files up to 300% gain, normalize peak amplitude to eliminate digital clipping, and download boosted audio locally.
Backwards Audio Reverse Player & Exporter
Reverse audio sample buffers to listen to sounds backward, discover hidden reverse speech, and download backwards-reversed audio files.
BPM Tap Tempo Detector & Audio Metronome
Calculate song tempo (BPM) by tapping any key in rhythm, or practice music with a high-accuracy visual and audio metronome.
Audio Frequency & Pure Tone Wave Generator
Synthesize pure Sine, Square, Triangle, and Sawtooth audio waves from 20 Hz to 20,000 Hz with live frequency sweep and volume controls.
Focus & Sleep Ambient Noise Generator
Synthesize soothing White Noise, Pink Noise, Brown Noise, and gentle rain soundscapes to mask background distractions and enhance sleep.
Stereo Audio Channel Splitter & Balance Panner
Isolate Left and Right stereo audio channels, pan sound dynamically across stereo fields, or convert stereo tracks into balanced mono.
Audio Track Joiner & Sound File Merger
Combine multiple audio recordings and sound clips into a single continuous track with custom order and gapless playback.
5-Band Graphic Audio Equalizer
Adjust sub-bass, bass, midrange, upper mids, and treble frequencies in real time with WAV export.
Audio Waveform Image Generator
Render and export high-resolution audio waveform visualizer images in PNG and SVG formats.
Universal Audio to WAV Converter
Convert any browser-supported audio format (MP3, OGG, WebM, AAC, FLAC) into standard uncompressed WAV.
Binaural Beats & Brainwave Generator
Synthesize custom binaural beat frequencies across Alpha, Beta, Theta, Delta, and Gamma states.
Morse Code Audio Synthesizer & Player
Convert English text into standard Morse code audio beeps with adjustable WPM speed, pitch, and WAV export.
Audio Bitrate & File Size Calculator
Calculate uncompressed and compressed audio file sizes, streaming bandwidth, and duration limits.
DTMF Telephone Keypad Sound Generator
Interactive touch-tone telephone dialpad synthesizing standard dual-frequency tones with sequence playback.
Audio Silence Detector & Remover
Detect silent segments in audio recordings with customizable decibel thresholds and export trimmed audio.
Mono to Stereo Spatializer & Widener
Transform mono voice and instrument tracks into rich, wide stereo using Haas delay and phase spatialization.
Audio Fade In & Fade Out Editor
Apply smooth linear, exponential, or S-curve fade-in and fade-out volume transitions to audio files.
Audio Pitch Shifter (Semitones & Cents)
Transpose music and vocal pitch up or down by precise semitones and fine cents with instant playback.
Subwoofer & Bass Frequency Sweep Tester
Test subwoofer response, bass extension, and room acoustics with pure low-frequency sine wave sweeps (15Hz–200Hz).
Hearing Frequency Range & Threshold Tester
Safely test your high-frequency and low-frequency hearing range (20Hz to 20,000Hz) with age-expected benchmarks.
Audio Delay & Echo Effect Processor
Apply studio delay and echo effects with tempo sync presets, feedback amount, and wet/dry mix controls.
Acoustic Reverb Space Simulator
Simulate natural acoustic spaces (Room, Hall, Cathedral, Plate) using synthesized algorithmic impulse responses.
White, Pink & Brown Noise Generator
Generate continuous pure acoustic noise (White, Pink, Brown, Blue) with focus timer and WAV download.
Precision BPM Tap Tempo Counter
Measure beats per minute (BPM) with high-resolution performance timers, tap variance stats, and history tracking.
Audio Peak & RMS Loudness Analyzer
Analyze audio peak levels (dBFS), true peak estimates, RMS average loudness, dynamic range, and digital clipping.
Musical Note Frequency Generator & Tuner
Look up exact scientific pitch frequencies for all notes (C0–B8) and generate pure reference tuning tones.
Seamless Audio Loop Maker & Crossfader
Create perfectly seamless repeating audio loops with boundary crossfading to eliminate pops and clicks.
Audio Cutter & Ringtone Trimmer
Visually trim and cut MP3, WAV, and OGG audio files using an interactive waveform timeline with millisecond precision and fade controls.
Audio Frequency & Tone Generator
Generate pure sine, square, sawtooth, and triangle wave tones at any frequency (1 Hz – 20 kHz) with volume control. Useful for hearing tests and audio calibration.
Live Audio Waveform Visualizer
Visualize your microphone or audio input as a real-time waveform and frequency spectrum using the browser Web Audio API — no software required.
Audio Frequency & Tone Generator
Generate pure sine, square, sawtooth, and triangle wave tones at any frequency (1 Hz – 20 kHz) with volume control. Useful for hearing tests and audio calibration.
Live Audio Waveform Visualizer
Visualize your microphone or audio input as a real-time waveform and frequency spectrum using the browser Web Audio API — no software required.