UD5 Toolkit
Setlist Builder – Online Drag Songs into Order & Time
Drag songs into a setlist and see total duration. Perfect for planning a concert or DJ set.
Musician Utilities & Tuner
8+ toolsTap Tempo BPM Detector - Online Find Beats Per Minute
Tap any key to measure beats per minute. Displays average BPM and beat interval in milliseconds. Essential for DJs and music production. No extra permissions.
Online Guitar Tuner - Browser Microphone Pitch Detection
Tune your guitar using the browser microphone. Detects pitch and shows deviation from standard tuning. No installation, pure client-side audio processing.
Recorder Fingering Chart – Online Baroque & German System
Interactive soprano recorder chart showing which holes to cover for each note. Switch between baroque and German fingering.
Chord Progression Builder - Online Music Theory Tool
Select a key and build chord progressions (I-IV-V, etc.). Hear them played with simple piano sounds. Great for songwriting inspiration. Local audio synthesis.
Online Metronome with Subdivisions - Precise Rhythm Trainer
Play a metronome with adjustable BPM, time signature, and subdivisions (eighth, triplet, sixteenth). Tap tempo and visual flash. Works offline for practice.
Drum Shell Fundamental Note Calculator – Online Bearing Edge
Enter drum diameter, depth, and material to find the shell's approximate fundamental note. For tuning reference.
Trumpet Mouthpiece Comparator – Online Cup, Throat, Backbore
Compare mouthpiece specifications side‑by‑side. See how changes affect tone and range. Educational for brass players.