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Overview
Breathing Exercise is an easy and free online tool that runs in your browser.
Guided breathing timer with 4-7-8, box breathing, and coherent breathing. Works offline and stays on your device.
Inhale for 4s, hold for 7s, exhale for 8s.
Simple guided breathing exercises for relaxation and stress relief. Follow the visual guide to breathe in, hold, and breathe out.
Health
This browser-based tool is designed to be fast, easy to use, and private by default. Open the tool, adjust the settings, and get results instantly without creating an account or sending files to a server.
Everything runs locally in the browser whenever possible, which reduces friction for users and makes the page more useful as a direct-answer landing page from search.
The following topics are closely related to this tool and help explain what it is for:
4-7-8 breathing, Box breathing (4-4-4-4), and Coherent breathing (6 in / 6 out).
Choose a technique, press Start, and watch the inhale/hold/exhale prompts. Use Stop Exercise to end.
No. This is a simple timing guide for relaxation. If you have any medical concerns, consult a professional.