Critters QR code generator

Critters turns runs of dots into little segmented caterpillars with tiny eyes and feelers, each one in its own bright colour, crawling across the page. It is friendly and a little odd, which makes it memorable.

FreeNo accountNo watermarkPNG + SVGTested to scan

The preview shows ariaqr.com until you type your own link. Scan the preview with your phone before you print.

PNG is 2048 px for screens and print; SVG scales to any size. Free for personal and commercial use, no watermark.

Critters QR code preview

Works well for

  • Pet shop signage
  • Toy and game packaging
  • Children's book back covers
  • Family event flyers

Printing tip

The eyes and feelers are small, so print at least 2.5 cm (1 in) wide to keep them clear.

Static code: it never expires, but the link can't change after printing. Need edits or scan counts? Make a dynamic code.

Questions

Will caterpillar-shaped dots scan?+

Yes. Each caterpillar follows the code's own grid, the code uses the highest error correction level, and the design is tested with real QR readers.

Is it good for toy packaging?+

Yes. Link to a how-to-play page or product video, and test the printed box with your phone.

Is it free for commercial use?+

Yes. PNG and SVG downloads are free for personal and commercial use, with no watermark.

More designs

All 99 designs

The next step

Make the code the artwork.

These tools make and check classic codes. AriaQR turns your photo, logo or illustration into the code itself, verified on real decoders before you download, with a link you can edit and track.

Generate your code See the gallery
Girl with a Pearl Earring recreated as a scannable QR code, made with AriaQR