DJ TRACK PREP · WINDOWS

Your music.
Your decks.
Ready to play.

Clean up the files. Dial in the sound. Build your USB. Spend less time preparing—and more time mixing.

One-time purchase. Free lifetime updates. No subscription.

Compatible with Pioneer DJ CDJ players and all-in-one DJ systems. Features vary by model.

LOCAL FILES. NO LIBRARY IMPORT.YOUR TRACKS, YOUR WAY.BUILT FOR THE BOOTH.
LESS FRICTION. MORE MUSIC.

A whole prep session.
One sharp tool.

Actual Record Knife Windows app showing the track list, editing tools, and player
The Record Knife workspace · actual app preview

Get the sound right.

Analyze BPM, key and loudness. Trim front silence. Convert audio and choose your waveform look.

Clean up the details.

Edit tags, artwork and filenames. Work directly in your folders, with completed edits saved immediately.

Prepare for the decks.

Create playlists and USB libraries. Configure deck preferences and prepare drives with USB Doctor.

Your tracks. Your tools.

Record Knife — Trim Front Silence
Trim Front Silence
Record Knife — Cue Point Editor
Cue Point Editor
Record Knife — Waveform Color Collection
Waveform Color Collection
Record Knife — USB Doctor
USB Doctor
Record Knife — Loudness Adjustment
Loudness Adjustment
Record Knife — Audio Conversion
Audio Conversion

Free vs Pro. Every feature.

FeatureFreePermanent Free versionPro
Processing limitOne file at a timeBatch processing
USB track limit5 tracks per USB libraryNo app-imposed track limit
Playlist count and sizes1 playlist · up to 5 tracksUnlimited playlists and playlist sizes
Extended FAT32 over 32 GBNoneIncluded
USB DoctorNoneAll tools included
SubscriptionNoneNone
ExpirationNeverNever
Lifetime updatesIncludedIncluded
Metadata & filenames
Edit Artist and Track TitleIncluded
Edit BPM and musical keyIncluded
Optional Album, Year, Genre and CommentsIncluded
Rename to Artist - Track TitleIncluded
Title Case cleanupIncluded
Embed or replace album artworkIncluded
Analysis & audio
BPM analysisIncluded
Key analysisIncluded
Integrated LUFS analysisIncluded
Waveform previewIncluded
Waveform color schemesIncluded
Half / Double BPM correctionIncluded
Loudness adjustmentIncluded
Trim Front Silence editor and re-analysisIncluded
WAV extensible-format patchingIncluded
Convert to WAVIncluded
Convert to AIFFIncluded
Convert to FLACIncluded
Convert to MP3 (320 kbps / 48 kHz)Included
Standard lossless conversion preset: 16-bit / 48 kHzIncluded
Hi-res conversion preset: 24-bit / 96 kHzIncluded
Playlists & USB libraries
Create and name playlistsIncluded
Add and arrange playlist tracksIncluded
Cue points and cue colorsIncluded
Legacy Device Library outputIncluded
Modern OneLibrary outputIncluded
USB waveform and beatgrid generationIncluded
USB album artworkIncluded
Safely eject USBIncluded
Deck personalization
Browse categories and orderingIncluded
Sort options and orderingIncluded
Artist display columnIncluded
Waveform display preferencesIncluded
Key display formatIncluded
Playback, load-lock and needle-lock preferencesIncluded
Hot cue loading and colorsIncluded
Quantize, sync and tempo preferencesIncluded
Jog mode and vinyl speed preferencesIncluded
Beat Jump valueIncluded
Language and display brightnessIncluded
Jog ring, pads and indicator preferencesIncluded
Mixer fader-curve preferencesIncluded
Stereo headphone preferencesIncluded
Beat FX, microphone and MIDI preferencesIncluded
Apply settings to connected supported devicesIncluded
Restore preference defaultsIncluded
Album art on supported jog displaysIncluded
Custom jog art upload, square crop and saveIncluded
USB Doctor · Pro only
Drive informationIncluded
Model-specific compatibility informationIncluded
USB filesystem checkIncluded
USB repairIncluded
Standard FAT32 partition and quick formatIncluded
Help & guidance
Help and compatibility tipsIncluded
About and product informationIncluded

Unlimited means no Record Knife playlist limit; USB capacity, filesystem and deck limits still apply. Deck settings and custom jog art are model-dependent. Format and repair operations require explicit approval; formatting erases the selected drive.

INCLUDED WITH FREE AND PRO

GLASS

The Featureless Media Player

A floating waveform. Your music. Nothing in the way.

Preview tracks, samples and loops with a full-track waveform and platter-style scrubbing.

  • Bright colors and adjustable opacity
  • Three window sizes
  • Remembers your settings

Glass comes with both versions of Record Knife. Install Record Knife Free or Pro to get it.

Glass square graphic showing its borderless green waveform floating over a desktop wallpaper