DEEP BREATHING EXERCISES
Free breathing app
A simple breathing app that runs in your browser—no download and no signup. Use it for calm, focus, sleep, or a quick stress reset.
Start a session
Pick a breathing technique and press Start. You can adjust pacing, sound, and haptics.
What’s included
- Box breathing (4-4-4-4) for stress + focus
- 4-7-8 breathing for sleep + relaxation
- Coherent breathing (~5–6 breaths/min) for HRV training
- Physiological sigh for rapid stress relief
Fast
Designed to load quickly and get you into a session within seconds.
Customizable
Adjust pacing and settings so the practice stays comfortable and sustainable.
Evidence-informed
Each guide includes practical instructions, safety notes, and references to relevant research.
Popular breathing timers
Jump straight into the most common app-style breathing timers.
Can I install this like an app?
You can add it to your home screen from your browser (look for “Add to Home Screen”). This will create an app icon and open the visualizer in a standalone window.