# ScrewLab > ScrewLab is a browser-based DJ player for creating chopped and screwed mixes with AI-assisted production tools. ScrewLab lets users upload their own audio, estimate BPM, apply screw presets, use suggested chop points, preview changes, and record a performance in the browser. A free account is required to access the player. ScrewLab Pro unlocks full-length saved mixes. ## Public pages - [ScrewLab homepage](https://screwlab.com/): Product overview, workflow, features, and player preview. - [Pricing](https://screwlab.com/pricing.html): Free and Pro plan information. - [Account access](https://screwlab.com/account.html): Account creation, login, subscription status, and billing management. ## Core features - AI-assisted BPM analysis - Chopped and screwed playback controls - Screw presets - Suggested chop points - Browser-based recording ## Access notes - The player requires a ScrewLab account and is not a public crawl target. - Users provide their own audio files for processing in the browser. - The public website is the authoritative source for current features and pricing.