Breathing Timer
Guided box, 4-7-8, coherent breathing and the physiological sigh - calming visuals, voice guide and ambient sounds.
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Long breath holds and fast breathing can make you light-headed. Stop if you feel dizzy.
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Box breathing · 4-7-8 · Coherent
A breathing timer that slows you down - even with your eyes closed
Pick a technique, press start and follow the light. A soft tone rises as you breathe in and falls as you breathe out, chimes mark each change and an optional voice guides the first breaths - so you can close your eyes and still keep the rhythm, even with the screen locked.
How it works
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01
Choose your goal
Sleep, calm, focus or a quick reset - or pick a technique like box breathing, 4-7-8 or coherent breathing.
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02
Follow the rhythm
Watch the orb, the box or the flower, or just listen: the tone glides with every inhale and exhale.
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Notice the change
Rate how you feel before and after, and watch your daily streak and minutes grow.
Breathing techniques explained
Box breathing 4 · 4 · 4 · 4
Inhale, hold, exhale and hold empty for four seconds each. The even rhythm steadies attention under pressure, which is why it is taught to soldiers, athletes and first responders.
4-7-8 breathing 4 · 7 · 8
Popularised by Dr. Andrew Weil: inhale for 4, hold for 7, exhale slowly for 8. The long exhale slows the heart and is widely used to fall asleep. Start with four rounds.
Coherent (resonance) breathing 5.5 · 5.5
Around six breaths per minute with no holds. At this pace heart rate and breathing tend to sync, which is linked to higher heart-rate variability and a calmer nervous system.
Physiological sigh 2 + 1 · 6
A deep inhale, a short second sip to fully inflate the lungs, then a long exhale. Stanford research found a few minutes a day reduced stress more than other techniques.
Extended exhale 4 · 8
Breathing out for twice as long as you breathe in shifts the body toward rest-and-digest. A simple, safe way to relax at any time.
Equal breathing 4 · 4
Also known as sama vritti in yoga: matching the length of each inhale and exhale. A great foundation before trying longer holds.
Why this breathing timer
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Four calming visuals
An orb, a box, a blooming flower or a wave - all eased like a real breath, never mechanical.
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Follow it with eyes closed
A soft guide tone rises and falls with your breath, with singing-bowl chimes at each change.
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Ambient soundscapes
Rain, ocean, brown noise or a stream - generated live in your browser, no downloads.
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Night mode for sleep
A near-black, dim-red screen and a fade-out ending that won’t wake you back up.
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See the difference
A quick before/after mood check shows how much calmer you are, session after session.
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Share a rhythm
Therapists, teachers and coaches can send any session as a link or QR code - no sign-up, no app.
Breathe safely
Breathing exercises are generally safe, but long breath holds and fast breathing can cause light-headedness or tingling. Practise sitting or lying down, never while driving or in water, and stop if you feel dizzy. If you are pregnant or have heart, lung or blood-pressure conditions, ask your doctor before trying breath holds. This tool supports relaxation and is not a medical treatment.
Frequently asked questions
Box breathing is a four-part rhythm: inhale for 4 seconds, hold for 4, exhale for 4 and hold empty for 4. Picture tracing the sides of a square. It is a simple way to calm down and regain focus, and is used by military and emergency professionals.
The 4-7-8 technique - inhale 4, hold 7, exhale 8 - stretches out the exhale, which slows the heart rate and signals the body to relax. Try four rounds in bed with night mode on; the session ends with a gentle fade-out.
Even one to three minutes helps in a stressful moment. For lasting benefits, many studies use five to ten minutes a day. Consistency matters more than length - the daily streak helps you build the habit.
Breathing at about six breaths per minute (roughly 5.5 seconds in and 5.5 seconds out). At this pace breathing and heart rhythm tend to synchronise, which is associated with greater heart-rate variability and a calmer state.
Two inhales through the nose - a full breath then a short top-up sip - followed by a long, slow exhale through the mouth. It quickly re-inflates the lungs and offloads carbon dioxide, making it one of the fastest ways to reduce stress in real time.
Yes. Turn on the guide tone: it rises while you inhale and falls while you exhale, and chimes mark each phase. Sounds are scheduled on the audio clock, so they stay in time even if the screen locks.
For most people, yes. Stop if you feel dizzy or tingly, avoid long holds if you are pregnant or have heart or lung conditions, and never practise while driving or in water. The techniques with long holds or fast breathing are marked with a caution icon.
Yes. Your sessions, mood ratings and history are stored only in your browser on this device. Nothing is sent to our servers.