Free · Coordinates and code

Dot Coordinate Grid Explorer

Move around a 16 by 16 dot grid and see the x, y, and index number for every spot.

  • Clear, kid-friendly steps
  • Private in your browser
  • No signup

Grid setup

Move across the dots to discover each dot's x, y, and index number.

x column
7
y row
7
i index
119
dot value
-0.54

Explore the 16 × 16 grid

256 dots

Inspired by tixy's tiny (t, i, x, y) math-art idea.

Powered by tixy, an open-source library available under ISC.

Three simple steps

How to use it

  1. Pick a dot rule, table, wave, or tiny picture.
  2. Move the simple sliders and watch all 256 dots change.
  3. Pause the motion or save your favorite art as a PNG.

Private by default

Your words and choices stay in this browser tab. There are no accounts, uploads, ads, or trackers inside the tool. Close the tab and the working data is gone.