About

Overview

This is a free breathing timer that guides 4-7-8 breathing, box breathing (4-4-4-4), relaxing breath (4-0-6-0), and custom patterns using a visual circle animation. It runs entirely in your browser — no login, no server.

Operator

bal.pe.kr — a personal micro-SaaS portfolio. Contact: comsamo84@gmail.com

Data Sources & Disclaimer

• Breathing pattern ratios are based on publicly available information (Dr. Andrew Weil publications, Navy SEALs public training methodology, etc.).
• This tool is not a medical device, diagnosis, prescription, or treatment substitute.
• Stop immediately and consult a doctor if you experience dizziness, headache, or chest pain.
• Consult your physician before use if you have hypertension, heart disease, or are pregnant.

Privacy

Settings are stored in your browser's localStorage only and are never sent to any server. Google Analytics 4 (property G-PDW82YCFFW) collects anonymous visit statistics. Google AdSense ads may be displayed.

Privacy Policy · Terms of Service