Guitar Scientist: The Most Powerful Guitar Diagrams Editor Online

Tools panel

Notes Selector

This function allows you to select/deselect the fret markers.
Once one or more fret-markers are selected you can use the transpose function to transpose only the selected notes,
also you can click on a color or a shape to change the symbol and color.

Octa-selector

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If you click on both the selector and the octaver you can select all instances on all octaves of a given note.
This is useful for instance if you want to change the color of a given degree on a diagram.

Select all notes in a layer on one fretboard

Click on the select icon on the fretboard controls and all the notes on that fretboard will be selected if they belong to the current selected layer.
You can also subtract notes from the selection using the selector or the octa-selector.

Select all notes in a layer on all fretboards

Click on the select icon on the layers panel and all the notes on that layer will be selected on all fretboards.
You can also subtract notes from the selection using the selector or the octa-selector.
This is useful if you want to change the overall appearance of your document and change the color or the shape of the notes of an entire layer.