Free Tools
Small tools for easier nights.
No account, no download, no email — three little instruments that run right here in your browser, built from the same ideas as the app.
Breathing Exercise Timer
A guided pacer for box breathing, 4-7-8, and simple resets — one, three, or five minutes.
Sleep Calculator
Bedtime and wake-time math based on 90-minute sleep cycles, with an honest note on how approximate they are.
Sleep Sound Mixer
Layer the app's free nature sounds with per-sound volumes and a fading sleep timer — right in your browser.
Which Sleep Sound Matches You?
Five questions, one sound, no email — find your starting point in the sound library.
Tonight could be your calmest night yet.
Download Calming Galaxy free and turn any evening into a quiet, cosmic wind-down.
