Which techniques does the timer support?

Guided Box Breathing and the 4-7-8 technique.

Follow the guided circle on screen through each inhale, hold and exhale phase to reduce stress and relax.

Yes. It is free, needs no signup, and runs in your browser.

Breathing Exercise Timer

Guided breathing exercise — Box Breathing or 4-7-8 technique. Follow the circle and reduce stress.

Technique

Rounds

Ready

Press Start and sit comfortably

This exercise is a guide only, not a treatment. Stop if you feel dizzy.

Choose a technique and rounds.
Press Start — when the circle grows, breathe in (inhale); when it shrinks, breathe out (exhale); when it stops, hold.
When the rounds are complete, you will see a session complete message.