A worked example
Change a blue pattern to a green palette.
Adjust foreground, background, spacing and stroke width.
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A validated six-digit hex colour is used for each fill and stroke.
Change a blue pattern to a green palette.
Original geometry only; no copied artwork library. Raster export is bounded to 2,048 px per side.
No. Processing runs locally in your browser. The host still receives normal requests for website pages and assets.
Use the download controls for the current tool or print from your browser. Your valid edits autosave in this browser. Export a JSON backup to move devices; see the privacy page.
No sign-up, paid API or subscription is required. Both languages use the same tools. English always opens at the root address.