Free Breathwork Tools
Guided breathing timers, techniques, and exercises for breathwork. No signup required — everything runs in your browser.
Breathing Timer
Free interactive breathing timer with animated visual guide. Follow the expanding circle to pace your inhales, holds, and exhales. No app download needed.
Box Breathing
Free box breathing timer with animated visual guide. Inhale 4s, hold 4s, exhale 4s, hold 4s. The technique Navy SEALs use for stress control and focus.
4-7-8 Breathing
Free 4-7-8 breathing timer with guided animation. Inhale 4s, hold 7s, exhale 8s. Dr. Andrew Weil's natural tranquilizer for sleep and anxiety relief.
Wim Hof Breathing Guide
Free Wim Hof breathing guide with round tracker. 30 power breaths, breath hold, recovery breath. Track your hold times and see your progress each round.
BOLT Score Test
Take the free BOLT score test to measure your CO2 tolerance and breathing efficiency. Based on Patrick McKeown's Buteyko method. Get your score instantly.
Breathing Rate Calculator
Free breathing rate calculator to measure your breaths per minute. Learn if you're over-breathing and what your breathing rate reveals about your health.
Nervous System Quiz
Take this free nervous system quiz to find out if your sympathetic or parasympathetic system dominates. Learn your vagal tone level and get personalized tips.
CO2 Tolerance Test
Free CO2 tolerance test with guided instructions. Measure your exhale time to assess carbon dioxide tolerance, anxiety risk, and breathing efficiency.
Stress Breathing Quiz
Free stress breathing quiz to assess if you have chronic hyperventilation or breathing dysfunction. Get personalized breathwork recommendations in 2 minutes.
Sleep Breathing Quiz
Free sleep breathing quiz to find your ideal bedtime breathing technique. Learn how CO2 tolerance and breathing patterns affect sleep onset and quality.
HRV Breathing Calculator
Free HRV breathing calculator to find your optimal breathing rate for maximum heart rate variability. Calculate your resonance frequency breathing pace.
Find Your Technique
Take this free quiz to find the best breathing technique for your goals. Match your needs to the right breathwork method — stress, sleep, energy, or focus.
Routine Builder
Free breathwork routine builder to create a personalized daily breathing practice. Build habits with the right techniques at the right times of day.