Upload your audio
Choose a track from your device and load it directly into the browser.
AI-assisted browser DJ software
Screw & Chop Your Music Online
Upload a track, analyze the BPM, apply screw presets, jump to suggested chop points, and preview your mix right in the browser.
No install required. No account needed to try the player. Record free; Pro downloads clean audio. A free account keeps your library and queue.
Product preview
A focused workspace with AI-assisted screw tools built in.
Deck A
Speed
72%
Pitch
-4 st
AI Lab
Deck B
Delay
320 ms
Mix
Center
How it works
From original track to slowed mix in minutes.
Analyze the track
Use AI Lab to estimate BPM, read the energy, and suggest starting settings.
Auto screw and chop
Apply screw presets, jump to suggested chop points, and shape the mix live.
Record or export your mix
Capture your performance and keep moving when the version feels right.
Features
The essentials for chopped and screwed production.
AI BPM analysis
Estimate tempo and confidence from the uploaded track without leaving the browser.
Auto Screw
Apply recommended speed, pitch, EQ, and delay settings with one click.
Suggested chop points
See marker suggestions on the waveform and jump through them while mixing.
Screw presets
Start fast with Syrup, Night, and Bounce settings tuned for different feels.
Mix title ideas
Generate quick names for exports and sessions when the mix needs a label.
Browser recording
Capture your mix as an MP3 when the arrangement locks in.
Pricing
Start free. Upgrade when the mix needs the full run.
Free
$0
- Use the player and preview mixes
- AI BPM analysis and Auto Screw presets
- Record any length and play it back in the player
- Track library of 10 files and a 5-slot queue (free account)
Pro
ScrewLab Pro
Clean downloads
- Download clean MP3 mixes for TikTok, Reels and sets
- Unlimited library tracks and queue slots
- Subscribe and cancel anytime through Stripe
Your track library and queue are stored in your browser on this device. Audio is never uploaded, and clearing site data or switching browsers or devices removes them.
Start mixing