Last updated: March 2026
What Is the Drum Machine?
Over 300,000 people search for online drum machines and beat makers every month. This free drum machine is a browser-based 16-step sequencer that lets you create, edit, and share drum patterns without downloading software or creating an account. It runs entirely in your browser using Tone.js, a professional-grade Web Audio framework.
A drum machine works by dividing a musical measure into equal steps -- in this case, 16 steps representing sixteenth notes. You place sounds on specific steps by clicking cells in the grid, and the sequencer loops through the pattern continuously. The result is a repeating rhythm that forms the backbone of a song. Drum machines have been central to music production since the Roland TR-808 and TR-909 defined the sounds of hip-hop, house, and electronic music in the 1980s.
This tool includes eight synthesized drum sounds spanning the full percussion spectrum: a deep kick drum, crisp snare, closed and open hi-hats, a clap, high and low toms, and a crash cymbal. Each sound is generated in real time, meaning there are no audio files to load and playback is instantaneous. The synthesizer parameters are tuned to produce punchy, mix-ready sounds right out of the box.
How to Make a Beat
Start by selecting a preset pattern or beginning with an empty grid. The fastest way to learn is to load a preset and study where the sounds are placed. The Basic Rock pattern, for example, puts the kick on beats 1 and 3, the snare on beats 2 and 4, and hi-hats on every eighth note. This is the most common drum pattern in popular music.
Click any cell in the grid to toggle a sound on or off at that step. Press the play button or hit spacebar to hear your pattern loop. A visual playhead sweeps across the grid so you can see which step is currently playing. Adjust the BPM slider to speed up or slow down the tempo, and use the swing slider to add rhythmic shuffle.
Fine-tune your mix using per-track volume sliders, mute buttons (M), and solo buttons (S). Muting temporarily silences a track without removing its pattern, while soloing isolates a single track so you can hear it clearly. When you are happy with your beat, click Share Beat to copy a URL that encodes your entire pattern. Anyone who opens the link will hear exactly what you created.
Key Features
The sequencer uses Tone.js Transport for precise timing, ensuring your beats stay perfectly in time regardless of CPU load or browser activity. Unlike basic implementations that use setInterval (which can drift by 15ms or more), Transport-based scheduling locks to the Web Audio clock for sample-accurate playback.
Seven built-in pattern presets cover a wide range of genres: Basic Rock for straightforward pop and rock, Boom Bap for classic hip-hop, Four on the Floor for house and disco, Reggaeton for the signature dembow rhythm, Trap for modern hip-hop with rolling hi-hats, Jazz Brush for swing patterns, and Drum and Bass for high-energy breakbeats. Each preset serves as both a starting point for your own beats and a learning tool for understanding different rhythmic styles.
The swing control adds musical groove by delaying every other sixteenth note. At zero percent, the grid plays perfectly straight. Increasing swing creates the shuffled, human feel that defines genres like jazz, soul, and lo-fi hip-hop. Even a subtle 10 to 15 percent swing can transform a mechanical pattern into something that feels alive and musical.
Frequently Asked Questions
Do I need any music experience to use this drum machine?
No music experience is required. The grid-based interface makes it intuitive to create beats by simply clicking cells to turn sounds on and off. Start with one of the built-in preset patterns like Basic Rock or Four on the Floor, then experiment by toggling cells to hear how changes affect the rhythm. The 16-step grid corresponds to sixteenth notes in a measure, so each row of four cells equals one beat.
What drum sounds are available?
Eight sounds are included: Kick drum, Snare, Closed Hi-Hat, Open Hi-Hat, Clap, High Tom, Low Tom, and Crash cymbal. Each sound is synthesized in real time using Tone.js, with dedicated synthesizer types for each category -- MembraneSynth for kicks and toms, NoiseSynth for snare and clap, and MetalSynth for hi-hats and crash. Every track has its own volume slider, mute, and solo controls.
Can I share my beat with someone?
Yes. Click the Share Beat button and a URL is copied to your clipboard. This URL encodes your entire pattern and BPM setting as URL parameters. When someone opens the link, the drum machine loads with your exact pattern. This makes it easy to collaborate, get feedback, or save patterns for later without creating an account.
What is swing and how does it affect the beat?
Swing delays every other sixteenth note slightly, creating a lopsided, shuffled feel instead of a perfectly even grid. At 0% swing, all notes are evenly spaced. As you increase the swing percentage, the offbeat notes shift later in time, adding a groove that feels more natural and less mechanical. Even a small amount of swing (10-15%) can transform a stiff pattern into something that feels alive. Jazz and hip-hop beats often use heavy swing.
Does this drum machine work on mobile?
Yes, the drum machine is fully responsive and works on phones and tablets. The grid scrolls horizontally on smaller screens, and per-track volume, mute, and solo controls are available in a dedicated section below the grid on mobile. All buttons meet minimum 32px tap targets for comfortable touch interaction.