Upload and listen
Upload a vocal in WAV, MP3, M4A, or FLAC format. Play it back, move through the track, and see the original and mixed waveforms. Your audio stays on your device.
THEDEMOLABZ
How it worksBROWSER MIXER · BETA
From home recordings to demos
Build your demo vocal mix.
Turn home recordings into demo mixes. Shape the vocal, find a direction, and hear your idea come together.
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Made for demo mixes
THEDEMOLABZ helps turn home recordings into demos. For a release-ready final sound, have a professional mixing engineer mix your track.
New to mixing? Click “What does this do?” under a feature for a simple explanation.
Link with BandLab
01 Vocal track
WAV · MP3 · M4A · FLACNo vocal loaded
0:00 / 0:00
BEFORE · ORIGINAL
AFTER · LIVE MIX WAVEFORM
0:000:00
You are listening to the mixed version
02 Equalizer
ON
What does this do?
EQ changes your vocal tone. Adjust bass, middle, and treble to make it sound clearer or warmer.
03 Vocal levelOUTPUT
What does this do?
Vocal level makes your vocal louder or quieter over the beat.
A simple guide
How THEDEMOLABZ works
Here is what each part of the app does, in plain language.
Autotune
Choose the song key, major or minor scale, tempo (BPM), and vocal range. Speed controls how quickly the pitch is corrected; note transition controls how smoothly it moves between notes.
Equalizer
Adjust bass, low mids, mids, presence, and treble to change the vocal tone. Use it to make the voice fuller, clearer, or less harsh.
Dynamics
Compression helps make loud and quiet words more even. Threshold sets when it starts; ratio controls how much it evens things out.
Space and starting points
Reverb makes the voice sound like it is in a room. Change the room size, or choose a starting vocal flavor to shape the sound.
Delay
Adds echo-like repeats to the vocal. Set how far apart the repeats are, how many you hear, and how loud they sound.
Vocal level
Turn the vocal up or down so it sits at a comfortable loudness in your demo.
Compare and export
Switch between the mixed and unmixed vocal, then export your demo mix as a WAV file.
BandLab connection
Linking with BandLab is marked as coming soon.
THEDEMOLABZ runs locally in your browser. Your audio is never uploaded to a server. Best with headphones.