I built PianoGrid to make everyday piano reference work easier in the browser.
The site focuses on a few practical tasks:
- finding the notes in a chord and checking inversions
- comparing scale patterns and keyboard positions
- reading labeled keyboard diagrams
- opening printable references when a paper copy is useful
The main constraint was keeping the experience usable without an account. A learner should be able to open a chord or scale page, hear the notes, and understand the result without first creating a profile.
The current release includes chord references, scale references, keyboard-note pages, beginner song references, guides, and a blank sheet-music tool. The pages are designed as direct references rather than a course or a social feed.
You can try it here: https://pianogrid.com
I would especially appreciate feedback from piano learners and developers on the clarity of the keyboard diagrams, the practice flow, and which reference pages would be most useful next.
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