Kujo KeyFree music toolkit
Know your sound. Finish your song. Get heard.
Find any song's BPM and key, tap a tempo, check and master your mix, convert media and promote your music — all in one place.
Search any album, EP or mixtape worldwide (Deezer + Apple Music catalogs, including upcoming releases). Play previews or the full album, tap a song, then tap a score from 10 to 0. Your overall score is the average of the songs you rated. Log in to save and share your review.
Drop a beat hereWAV · MP3 · FLAC · M4A · AIFF — or click to choose
Link → your format → BPM & key
Saved in . Only download content you own or have permission to use.
Downloader — any audio or video format, up to 4K, single videos or playlists
Type
Format
Quality
Playlist
Downloads keep running if you switch tabs. Developer API
Recommended beats — refreshed daily
Taps: 0 · Space bar works too
Tempo
—
BPM
Rounded
—
Half / double
—
Steadiness
—
Drop your finished songFull mix WAV (best) · MP3 · FLAC · AIFF — up to 3:00 · 2 master versions per song
Choose file
Convert photos & videos · shrink big files
Drop a photo or videoJPG · PNG · HEIC · WEBP · MP4 · MOV · MKV · WEBM
Output format
Shrink to
Max width px (0 = keep)
Image quality
Book your campaign
Start
End
Your platforms (optional, shown on your report)
By booking you agree to our advertising terms.
Language
Background
or pick any color
Accent
or pick any color
Text size