Pomodoro Timer with Lo‑Fi Music - Online Focus Beats
Pomodoro timer with built‑in lo‑fi music playlist (synthetic). Focus and rest cycles. No copyright music; generated tones.
UD5 Toolkit
Online Focus & Study Beats — Relax, Concentrate, Create
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70 BPM · Chill Beat
Ambience Presets
Learn more about Lo‑Fi music and how it enhances focus
Pomodoro timer with built‑in lo‑fi music playlist (synthetic). Focus and rest cycles. No copyright music; generated tones.
Roll musical dice to generate random melody snippets. Choose a scale, set note range and rhythm, and get an instant starting point for your next composition.
Build your wedding timeline by adding songs and their durations. See exactly how much music you need for cocktail hour, dinner, and dancing to schedule the perfect day.
Input the notes you're playing and get all possible chord names, including inversions and slash chords. A lifesaver for songwriters and music theorists.
Convert BPM (beats per minute) to note durations in milliseconds or seconds. See whole, half, quarter, eighth, sixteenth, and triplet values for precise music production.
Discover notable music events, album releases, and artist birthdays that happened on this day in history. From classic rock to modern pop milestones.
Listen to two notes and identify the interval. Purely local Web Audio synthesis. Sharpen your relative pitch.
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.
Play a metronome with adjustable BPM, time signature, and subdivisions (eighth, triplet, sixteenth). Tap tempo and visual flash. Works offline for practice.
Paste word pairs (or load pre-made sets) and practice with randomized flashcards. Flip to reveal translation, mark as known/unknown. Local data, no login.
Play a simple monophonic synthesizer with your keyboard. Choose waveform, attack, decay, and filter. For music fun.
Get a random chord progression (e.g., I‑V‑vi‑IV) with a suggested key. Play with built‑in piano sounds. For songwriters.
Select a folder of images and start a full‑screen slideshow right in your browser. Adjust interval and transition. No upload.
Generate a random, somewhat meaningful song lyric line. Write your own hit with AI‑free randomness. All local.
Play a collection of retro 8‑bit synth pads and leads using your keyboard. Record sequences and export as WAV. Pure Web Audio API.
Paste a simple drum tab or select a pattern and hear it played. Learn drum set notation interactively.
Play reference pitches for standard ukulele tuning. Also works for baritone and other variations. Simple and local.
Manually manage flashcards with 5 virtual Leitner boxes. See when to review each box next. All data local storage.
Click a root key and chord type (Maj, min, 7th) to see the notes highlighted on a piano keyboard. Learn chords fast.
Generate a random band name, album title, and cover art description. Perfect for music inspiration. Click to refresh.
A precise online metronome with adjustable BPM, beat emphasis, and time signature. Works offline. Essential for musicians.
Play a virtual piano keyboard using mouse or computer keys. Sustain and octave control. Record and play back your tune.
Lay down a beat on a grid sequencer for kick, snare, and hi-hat. Play, loop, and adjust tempo. All sound via Web Audio API.
Paste text, highlight important parts, and extract only highlights. Great for research and studying. Entirely client-side.
Create custom flashcards and review them with a simple spaced repetition algorithm. Data stored in your browser. No sign-up required.
Enter a song title and artist to find lyrics using public APIs. Quick preview and copy. A lightweight tool for music lovers.
Tap any key to the beat and get the BPM (beats per minute). Useful for DJs, musicians, and running. Simple and accurate.