Free part number diagram maker

Type a part number, select a range of characters and press the button below it. A card appears for writing the heading and its options, and the preview assembles the diagram with leader lines. Nothing you type ever leaves your browser. How to use it

A diagram can be written in Japanese or in the Latin alphabet — those are what the bundled fonts cover. Best on a desktop browser 1024px wide or more.

0 itemsChecks pass

Click a character to start, shift-click another to finish, then press the button below.(10 / 120 characters)

Items (0)

Select some characters above and make an item; this is where you write what they mean.

    Notes (0)

    Notes are listed under the diagram, numbered in the order the diagram reads. Use the Note button on an option to put one into its description.

    Preview

    ABX-120-RN

    Checks

    Nothing to report.

    Part number typeface

    Body typeface

    Used for headings and descriptions. One typeface for the whole diagram; it cannot vary per item.