ClearBreathsFree tools to help you breathe, sleep & de-stress
A whole toolbox of calm — breathing timers, a white noise machine, a sleep calculator, stress and anxiety self-checks, and guided practices. Every tool is free, works on any device, and needs no app or sign-up. When you want a plan matched to your goal, try one guided breath first and we will build around it.
Try one guided breath firstTests & self-checks
Quick, private checks scored on your device — no sign-up.
Live counterBreathing Rate Counter
Tap once per breath for 30 seconds and see your breaths per minute, compared to the normal range for your age.
Open breathing rate counter →
Self-checkStress Test
A 10-question check (based on the Perceived Stress Scale) that scores your stress level and recommends a breath to match.
Open stress test →
Self-checkAnxiety Test
A 7-question check based on the clinical GAD-7 scale that scores your anxiety and points to a breath that helps.
Open anxiety test →
Live timerBreath-Hold Test & CO₂ Tolerance Check
See how long you can hold your breath and get your CO₂ tolerance (BOLT) score with a live timer and what it means.
Open breath-hold test →Calculators
Work out the numbers that help you rest and recover.
Guided practices
Follow-along tools that pace you through, step by step.
Guided roundsWim Hof Breathing
30–40 paced power breaths, an automatic retention hold timer, and a recovery hold — guided over 3 rounds.
Open wim hof breathing →
Guided steps5-4-3-2-1 Grounding Exercise
Step through the 5-4-3-2-1 senses exercise to pull yourself out of anxiety and back into the present moment.
Open 5-4-3-2-1 grounding →
Guided body scanProgressive Muscle Relaxation
Tense and release each muscle group with a calm timer — a guided body scan to melt tension and wind down for sleep.
Open progressive muscle relaxation →
Timer + bellsMeditation Timer
Set any length with a soft starting bell, optional interval chimes and an ending gong — meditate without watching the clock.
Open meditation timer →Sound
Calming sound generated live in your browser.
Breathing timers
Follow the orb — inhale as it grows, exhale as it shrinks. Pick a pattern or build your own.
CustomizableBreathing Timer & Pacer
Set your own inhale, hold and exhale — or pick a preset like box breathing or 4-7-8 — and follow the visual pacer.
Open the breathing timer →
4-4-4-4Box Breathing Timer
A free box breathing timer with a calm visual pacer. Inhale 4, hold 4, exhale 4, hold 4 — follow the orb on any device, no app or sign-up.
Open the timer →
4-7-84-7-8 Breathing Timer
A free 4-7-8 breathing timer with a visual pacer. Inhale 4, hold 7, exhale 8 — the long exhale that helps you wind down and fall asleep. No app needed.
Open the timer →
4-6 slow exhaleDeep Breathing Timer & Visual
A free deep breathing visual: follow the calm animated pacer to slow your breath. Inhale 4, exhale 6 — a simple belly-breathing rhythm for stress relief.
Open the timer →
double inhale · long exhaleBreathing Tool for Anxiety
A free breathing tool for anxiety: the physiological sigh — a double inhale and a long exhale — is one of the fastest ways to calm down. Follow the visual.
Open the timer →
5-5 · ~6 breaths/minCoherent Breathing Timer (5-5)
A free coherent (resonant) breathing timer at about 5 breaths per minute: inhale 5, exhale 5. Follow the visual pacer to balance your nervous system.
Open the timer →ClearBreaths is a wellbeing tool, not a medical treatment. Stop if you feel light-headed.