🎵 Music Tools

Online Metronome

A free online metronome with time signatures, subdivisions, per-beat accent customisation, tap tempo and a practice timer. Click any beat dot to toggle its accent. Spacebar to start/stop. No download needed.

2/4 to 12/8 time signatures Quarter · 8th · Triplet · 16th subdivisions Click each beat dot to set accent Practice timer · Flash mode · Free
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Online Metronome Tool

120 BPM — Moderato
20 300
Volume 🔈 🔊
Duration (minutes)
Time remaining
5:00
Status
Not started
Spacebar to start/stop · ← → arrow keys to change BPM · Click beat dots to toggle accent
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🎵
Need to find the tempo of a song first?
The free BPM Tap Tempo tool measures the BPM of any song by tapping — then you can bring that number here and practice with the metronome at the exact tempo you measured.
🎵 BPM Tap Tempo →
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Features

Per-beat accent editor, flash mode and practice timer — features most metronomes skip

Most online metronomes let you set BPM and time signature. This one adds per-beat accent editing (click any beat dot), visual flash mode for silent practice, a timed practice session countdown and four subdivision types — giving you a genuinely complete practice tool.

🎯
Per-beat accent editor
Click any beat dot to toggle between accented (louder, pitched higher) and normal. This lets you create custom rhythm patterns — accent beat 1 and 3 in 4/4 for a backbeat feel, or set custom groupings in 7/8 or 11/8 without needing a preset.
Flash mode — silent visual beat
Enable Flash mode and the screen flashes on each beat instead of (or alongside) the audio click. Essential for practice rooms where sound is restricted, recording sessions where you need a click track reference without audio bleed, or hearing-impaired musicians.
⏱️
Practice timer
Set a practice duration in minutes. The countdown shows time remaining and stops the metronome automatically when the session ends. Research consistently shows that focused timed sessions with a metronome produce faster improvement than open-ended practice.
📐
4 subdivision modes
Quarter notes (beat only), eighth notes (double), triplets (triple) and sixteenth notes (quadruple). Subdivisions are played at lower volume than the main beats so the pulse remains clear. Switch subdivisions live without stopping the metronome.
🎼
9 time signatures including compound
2/4, 3/4, 4/4, 5/4, 6/8, 7/8, 8/8, 9/8 and 12/8. Compound meters (6/8, 9/8, 12/8) are labelled with their musical character. The beat dot row updates automatically for each time signature — no manual count adjustment needed.
🎹
4 click sounds + keyboard control
Click, Wood block, Beep and Kick drum sounds, each with distinct timbres for accented vs normal beats. Spacebar starts and stops. Arrow keys (← →) change BPM by 1. The BPM number is clickable to type any value directly.
How to use

How to use the metronome effectively

1
Set your BPM
Use the slider for broad adjustment or the + / − buttons for precise control. Click the BPM number directly to type any value from 20 to 300. Press the right arrow key to increase by 1 BPM or left arrow to decrease. The tempo name (Andante, Allegro, etc.) updates automatically.
2
Choose time signature and subdivision
Select your time signature from the dropdown — the beat dots update to show one dot per beat. Choose a subdivision if you want additional clicks between beats. Eighth notes subdivide each beat into two; triplets into three; sixteenth notes into four.
3
Customise the accent pattern
Click any beat dot to toggle it between accented (filled, louder) and normal. Beat 1 is accented by default. For a rock backbeat, accent beats 1 and 3. For a jazz feel, accent 2 and 4. Toggle off all accents for an undifferentiated pulse.
4
Press Start or the spacebar
Click Start or press the spacebar. The pendulum swings in time, the active beat dot highlights, and the click plays. During playback, you can change BPM and subdivisions live without stopping — the change takes effect on the next beat.
5
Use the practice timer for structured sessions
Enable the Practice timer toggle, set a duration, and start the metronome. The countdown shows time remaining. When the session ends, the metronome stops automatically and the timer resets. Use this to build disciplined timed practice sessions.
Why LazyTools

How this compares to other online metronomes

FeatureLazyToolsMetronome OnlineGibson AppViolinspiration
BPM slider + keyboard controlYes — spacebar + arrow keysYesYesYes
Per-beat accent customisationYes — click each dotPreset onlyYesFirst beat only
Flash / visual modeYes — full screen flashNoNoNo
Practice timerYes — auto-stopYesNoNo
Subdivisions (8th, triplet, 16th)Yes — 4 modesYesYesYes
Compound time signatures (6/8, 9/8)Yes — 9 optionsYesLimitedNo
Tap tempoYesYesYesNo
Multiple click soundsYes — 4 soundsYesNoYes
Quick reference

Common time signatures and their typical use

Time sig.Beats/barCharacter and typical use
2/42Simple duple — march, polka, quick step
3/43Simple triple — waltz, minuet, scherzo
4/44Common time — pop, rock, jazz, classical
5/45Quintuple — Dave Brubeck, progressive rock
6/86 (2 groups of 3)Compound duple — jig, siciliana, barcarolle
7/87Septuple — Balkan folk, progressive, Zappa
8/88Often 3+3+2 grouping — Balkan, Flamenco
9/89 (3 groups of 3)Compound triple — Baroque, Celtic, Klezmer
12/812 (4 groups of 3)Compound quadruple — slow blues, ballad
Complete guide

How to Practice with a Metronome — A Complete Guide for Musicians

A metronome is the single most effective practice tool available to any musician at any level. It provides a steady, unvarying pulse — the ground truth of tempo — against which you can test your timing, identify where you rush or drag, and gradually build the internal clock that separates accomplished musicians from those who only sound good when playing alone. Understanding how to use a metronome correctly, rather than simply having one running in the background, transforms it from an annoyance into a genuine accelerator of musical progress.

Start slower than you think you need to

The most common metronome mistake is setting the tempo too fast. If you can play a passage at 120 BPM but struggle at 140 BPM, the temptation is to practice at 130 BPM. The correct approach is to practice at 90 BPM — a speed at which every note is completely clean, accurate and intentional. The goal of slow practice is to build correct muscle memory at a speed where mistakes cannot happen. Once a passage is clean at 90 BPM, increase to 95 BPM and repeat. This method, while slower to start, produces permanent improvement rather than ingrained errors.

Use subdivisions to expose hidden timing problems

Setting the metronome to eighth notes or sixteenth notes instead of quarter notes reveals timing problems that the basic quarter-note click can mask. When the click falls on every eighth note, you can hear exactly whether your notes land between the clicks or slightly ahead or behind. Triplet subdivision mode is particularly useful for swing feel — it provides an audible reference for the triplet grid that swing rhythms sit on. Many players discover their "swing" is actually slightly uneven when they hear it against a triplet subdivision for the first time.

The benefit of odd time signatures in practice

Practicing scales, arpeggios and technical exercises in odd time signatures — 5/4, 7/8 — forces your brain to count carefully and prevents the autopilot that comes from repeating patterns in 4/4. A passage that feels comfortable in 4/4 often exposes weaknesses when counted in 5/4, because the phrase endings land on different beats and you cannot rely on ingrained pattern recognition. Using 7/8 for scale practice is a technique used by many conservatory programs precisely because it demands conscious rhythmic engagement at all times.

The practice timer — why timed sessions outperform open sessions

Research in motor learning consistently shows that shorter, focused practice sessions with clear goals produce faster skill acquisition than longer unfocused sessions. Using the practice timer to set 15-minute blocks forces you to define a specific goal for each block — one passage, one technical exercise, one BPM range — rather than meandering through material. The knowledge that the session will end in 15 minutes also creates mild urgency that prevents procrastination and encourages full attention for the entire duration.

When to turn the metronome off

The metronome is a tool for building internal tempo, not a permanent crutch. The goal of metronome practice is to internalise a steady pulse so reliably that you can reproduce it without any external reference. A useful practice structure: spend two-thirds of your practice time with the metronome on, then spend one-third with it off — trying to maintain exactly the same tempo. If you drift significantly when the click is removed, spend more time with the metronome on. Over time, the gap between your tempo with and without the click should narrow to near-zero.

Frequently asked questions

A metronome produces a steady, repeating click at a set tempo measured in beats per minute (BPM). Musicians use it to practice at a consistent speed, develop their internal sense of rhythm, identify where they rush or drag, and build muscle memory at precise tempos before performing.
Start at a tempo where you can play every note perfectly with no mistakes — often 50–70% of your target tempo. Increase BPM by 2–5 at a time only when you can play the passage cleanly three times in a row at the current tempo. This gradual approach builds accurate muscle memory rather than fast, sloppy habits.
A time signature tells you how beats are grouped into bars. The top number says how many beats are in each bar; the bottom number says which note value equals one beat. In 4/4, there are 4 quarter-note beats per bar. In 6/8, there are 6 eighth-note beats per bar, usually grouped as two groups of three.
Subdivisions add additional clicks between the main beats. Eighth-note subdivision clicks twice per beat; triplets click three times; sixteenth notes click four times. This fills in the gaps between beats, making it easier to place notes accurately in fast passages and exposing timing inconsistencies that the basic click hides.
Yes — enable Flash mode. With Flash mode on, the screen flashes on each beat instead of (or as well as) making a click sound. This is useful in recording sessions where audio bleed is a concern, in libraries or shared spaces where sound is restricted, or for hearing-impaired musicians who practice with vibration or visual cues.
4/4 time (called common time) has four quarter-note beats per bar. It is by far the most common time signature in Western music, used in the vast majority of pop, rock, jazz and classical pieces. The natural accent falls on beats 1 and 3, with beats 2 and 4 as the backbeat in most popular music styles.
Select 6/8 from the time signature dropdown. The metronome will click 6 times per bar. At moderate to fast tempos, 6/8 is usually felt as two groups of three (a compound duple feel) — think jigs and barcarolles. At slow tempos, it can be counted as six individual eighth-note beats. Accent beats 1 and 4 to feel the compound duple grouping.
This metronome uses the Web Audio API with a lookahead scheduling technique — rather than relying on JavaScript's setInterval (which drifts), it schedules audio events slightly ahead in time using the audio clock, which is independent of the main thread and highly precise. This produces sub-millisecond timing accuracy, matching the precision of dedicated hardware metronomes.
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