Chalkline / Features / Accessible diagrams

Accessible by design

Diagrams that work for everyone

A picture of boxes and arrows says nothing to a screen reader. Chalkline describes what is on the board, lets you draw without a mouse, and puts a real description inside every file it exports.

No account · Works offline · Your drawings never leave this device

Draw with the keyboard

Tab moves between shapes in reading order, Alt and an arrow adds a connected shape on that side, C connects two shapes, and Enter edits a label.

  • Focus never gets trapped in the canvas
  • Arrow keys move a shape; Alt, Shift and an arrow key resize it
  • Press ? for the full keyboard guide

Screen reader friendly

A live region says what is selected, its position in the reading order, and what it leads to and comes from.

  • Labelled buttons and dialogs throughout
  • Read only view links describe the board

Alt text inside your files

Chalkline writes a plain description of the diagram, which you can edit, and stores it in SVG title and description, PNG text chunks and PDF document info.

  • Write it for me, then edit
  • Saved with the board
  • Copy it for a web page or a slide

See it clearly

High contrast follows your system or can be switched on, motion can be reduced, and the colour checks warn about clashes for colour blind readers.

  • High contrast on light and dark themes
  • Less motion setting
  • Colour blind safe palette

Questions

Good to know

Yes. Tab between shapes, add connected shapes with Alt and an arrow, connect two shapes with C, and edit labels with Enter.

Yes. SVG exports carry a title and a description that screen readers announce, and PNG and PDF files carry the same description.

Yes. It follows your system's contrast setting, or you can switch it on in Settings.