Tools for Sound Engineers
54 toolsProfessional-grade audio processing and analysis tools. Spectrum analysis, forensic examination, watermarking, multi-track mixing, noise reduction, and format conversion.
Mono to Stereo
Convert mono audio files to stereo — duplicate, pan, or create pseudo-stereo effect. Runs in your browser.
Stereo to Mono
Convert stereo audio to mono, extract left or right channel, swap L/R, or split stereo into two separate files. Free browser tool.
Multi-Track Recorder
Record from multiple microphones simultaneously in separate tracks.
MIDI to MP3/WAV
Play MIDI files in your browser with piano roll visualization. Adjust tempo, mute tracks, export to MP3.
Silence Generator
Download silent ringtones for iPhone & Android in one click.
Loud Sound Generator
Play loud sounds instantly — alarms, sirens, horns, horror effects. Boost your audio files up to 400%.
Tone Generator
Generate precise audio tones, sweep frequencies, mix oscillators, play DTMF phone tones, export WAV. Web Audio API.
Audio Scene
Upload audio and hear how it sounds in 60+ different environments — from a cathedral to outer space.
Spectrogram Lab
Analyze sonograms and spectrograms of wildlife sounds: birds, bats, whales, frogs, insects.
Audio Inspector
Inspect audio files for true quality — detect upsampled or re-encoded tracks by analyzing the spectrum.
Audio Comparator
Compare two audio files side-by-side with objective metrics — LUFS, spectrum, dynamic range, ABX blind test, sample-level diff.
Mix Reference Analyzer
Compare your mix to a reference track: LUFS, spectrum, dynamics, stereo and precise recommendations.
BPM & Key Finder
Upload a song to detect BPM, musical key, and Camelot notation. Includes tap-tempo for manual detection.
Music Genre Detector
Upload an audio file to identify its genre, mood, dominant instruments, BPM and musical key.
Audio Metadata Editor
View, edit or strip ID3 tags, cover art and comments via WebAssembly
Audio Forensics
Analyze audio for signs of editing, splicing, or AI generation.
Audio Watermark
Embed an invisible watermark in your audio to prove ownership.
Audio Microscope
Slow any sound down to 500x without changing pitch and inspect it under a live spectrogram with note and frequency readout. Free.
Audio to Notes
Transcribe any audio recording into notes, MIDI, and sheet music using AI.
Vocal Harmony Generator
Add natural harmony voices to any vocal in your browser — diatonic thirds, fifths, octaves and choir that keep your own voice.
Sound Level Meter
Measure noise levels in decibels using your device microphone. Free, private.
Microphone Test
Check if your microphone works — test volume, sensitivity, noise floor, and audio quality in the browser.
Mic Noise Test
Test your microphone for noise, identify the problem type, and get step-by-step fix instructions.
Speaker & Headphone Test
Test your speakers, headphones, or surround system right in the browser.
