Practical walkthroughs that send you back to the homepage tool.
432 Hz vs 528 Hz: Which Should You Choose?
A side-by-side comparison of the two most popular retuning targets — what they sound like, what people claim, and how to A/B them on your own music.
Best Frequency for Anxiety
Which Solfeggio retuning targets tend to feel calmer for anxious listening, why music helps with anxiety, and how to build a personal calm-down playlist.
Best Frequency for Sleep
Which Solfeggio frequencies tend to work best for wind-down and sleep, why lower tunings tend to feel calmer, and how to build a sleep-friendly retuned playlist.
Does 432 Hz Really Work? A Balanced Look
What the research actually shows about 432 Hz, what is overclaimed, what is plausible, and how to test it on your own music without fooling yourself.
How to Retune Music to 432 Hz
A step-by-step walkthrough for converting your own audio files to 432 Hz with a free, in-browser retuner — no installs, no uploads.
How to Retune Apple Music Songs to 432 Hz
How to get a true 432 Hz version of an Apple Music or iTunes track — DRM rules, the legal path, file-format gotchas, and the step-by-step workflow.
How to Retune YouTube Music Tracks to 432 Hz
Why streaming 432 Hz uploads are inconsistent, and how to retune YouTube Music or YouTube videos you legally own — the right way.
Solfeggio Frequencies Explained
A clear, evidence-aware guide to the nine Solfeggio frequencies, their traditional associations, and how to actually compare them on your own music.