Tools for Sound Engineers
60 toolsProfessional-grade audio processing and analysis tools. Spectrum analysis, forensic examination, watermarking, multi-track mixing, noise reduction, and format conversion.
Audio overlay
Put a second sound over your recording or splice it inside, down to a fraction of a second.
Music Mastering
Online music mastering — streaming loudness, true-peak limiting, reference matching, WAV/MP3 download.
Trim Audio
Provide a start time and an optional end time to cut a fragment.
Audio Enhancer
Improve clarity, boost bass and treble, normalize volume, and reduce noise. Smart presets for speech and music.
Audio Restoration
Bring old recordings back to life. Diagnose noise and clicks, apply per-source presets, repair the spectrogram, target broadcast loudness.
AI Music Cleaner
For songs from Suno, Udio and other AI generators: Brightness and Reduce harshness sliders to tune the sound by ear, and the high frequencies that heavy compression cut off brought back — with a quick method or the Apollo neural model. In your browser.
Voice Enhancer
AI voice and vocal enhancement: noise reduction, de-reverb, a gentle vocal mode, an enhancement strength slider, and LUFS normalization.
Remove Reverb
For recordings made in a tight booth, a closet or a small room
Speech Restorer
AI speech restoration that makes an unclear recording intelligible — removes noise, room echo and clipped peaks.
Time-Stretch to Target BPM
Change tempo without changing pitch — no chipmunk voice
Change Pitch
A powerful browser-based pitch shifter with real-time preview, automatic key detection, BPM analysis, and precise semitone/cent control. Transpose any song to match your vocal range or instrument key.
Equalizer
Professional 10-band equalizer with real-time preview, spectrum analyzer, and 14 presets. Adjust bass, treble, mids, apply high/low-pass filters — all directly in your browser.
Silence Remover
Automatically detect and remove silent parts from audio. Adjustable threshold, waveform preview, and export.
Add Silence
Add silence to the beginning, end, or anywhere in your audio file — instant preview and export.
Audio Joiner
Combine multiple audio files into a single track with per-clip editing, smooth crossfades, and loudness normalization — all in your browser.
Reverb & Echo
Add reverb, echo, or both to your audio. Apply to the entire file or just a selected region. Real-time preview, 12 presets, in your browser.
Audio Denoiser
Remove background noise from voice recordings, podcasts, and music. Smart profiles for different noise types.
Audio Mixer
Mix multiple audio tracks with per-track volume, pan, EQ, reverb, and compressor. Export your mix in any format.
Audio Repair
Fix corrupted or broken audio files — repair headers, timestamps, and codec-level damage.
Convert Audio
Convert audio between MP3, WAV, FLAC, OGG, AAC and 35+ other formats. Batch up to 500 files — adjustable bitrate, sample rate, and quality.
Voice Compressor
A studio-grade dynamics compressor that levels uneven loudness, with a gain-reduction meter, level-matched A/B and LUFS targets — all in your browser.
Audio Degrader
Audio degrader with 12 degradation presets and 7 manual controls. Bitcrusher, noise, distortion, wow & flutter, filters — real-time preview with A/B comparison.
Extract Audio from Video
Extract the audio track from any video file — MP4, AVI, MKV, MOV, WebM and more. Quick lossless extraction or convert to MP3, WAV, FLAC. All processing in your browser.
Channel Converter
Upmix stereo to 5.1 or 7.1 surround, or downmix a surround file back to stereo or mono — in your browser.
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. Browser tool.
Multitrack recorder
Records several microphones at once — each one into its own track.
MIDI to MP3/WAV
Play MIDI files in your browser with piano roll visualization. Adjust tempo, mute tracks, export to MP3.
MIDI Humanizer
Adds ensemble timing, phrasing and CC1/CC11 inside held notes to a MIDI score. Export MIDI and WAV, right in the browser.
Sound Effect Generator
Describe a sound in words and the AI creates the SFX, ambience or UI sound. Two engines, seamless looping, adjustable duration and accuracy.
Recording Studio
Upload a backing track and record your voice over it.
Analysis
10 more in this category →Ear Trainer
Hearing which frequency is the problem is a skill built by repetition. Everything you need for that is here.
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.
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.
Audio Splice Detector
Find splices, cuts and edits in audio recordings using six forensic detectors with millisecond precision.
Voice & Speech
Vocal Autotune
Autotune for vocals in your browser: pulls notes into the key of your beat, adds a robot effect, a double and harmonies. Fix any note by hand.
Stem Splitter
Split a song into vocals, drums, bass and instruments with the Demucs neural network. Every track as a separate file — or straight into the mixer.
Drum Separator
Break a drum track into kick, snare, toms and cymbals with hi-hat using a neural network right in your browser. Each part as a file — or into the mixer. A whole song works too: the drums are lifted out of it first, and you also get the song without drums.
Drum Remover
A neural network takes the drums out of a finished track right in your browser: you get the song without drums — a drumless backing track — and the drum part on its own.
Vocal Harmony Generator
Add natural harmony voices to any vocal in your browser — diatonic thirds, fifths, octaves and choir that keep your own voice.
Record Vocals
Record vocal takes, comp the clips on a timeline and shape your voice with reverb, EQ and a compressor.
Device Testing
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
A voice names each channel — “Left”, “Right” — so you hear at once if it is wired right. Balance in dB, 5.1/7.1, frequencies, no-sound finder.
Subwoofer Test
Test your subwoofer with tone generator, frequency sweeps, bass drops, diagnostics, and room mode calculator.
Generation
Silence Generator
Download silent ringtones for iPhone & Android in one click.
Tone Generator
Generate precise audio tones, sweep frequencies, mix oscillators, play DTMF phone tones, export WAV. Web Audio API.
Audio Scene
Upload a recording and hear it in 60 acoustic spaces — from a cathedral to a phone line. Shape the tail, compare against the original, and save the result.
Video
AI Sound Effects for Video
AI watches your clip and creates sound for what happens on screen: footsteps, splashes, hits, street noise. Synced to the picture, saved as MP4.
Video Audio Editor
Sound processing and track operations in one place: 10-band equalizer, noise reduction, compressor, platform loudness targets, track replacement and audio extraction. The picture stays untouched.
Samples & Test Files
Sample Audio Generator
Download or generate sample audio for testing — 1 kHz tone, pink noise, custom sine/white/pink at 44.1/48/96 kHz, 16/24-bit, mono/stereo WAV.
Sine Sweep WAV Generator
Generate log or linear sine sweep WAV files for REW, ARTA and room measurement. 20 Hz–20 kHz, 44.1/48/96 kHz, 16/24-bit, full channel routing.