Tessera generates digital mosaics (QR codes) from any text or URL,
with full control over how they look and where they end up.


Features:
<ul><li>Live preview as you type</li><li>Custom foreground color, with a warning if contrast is too low to scan reliably</li><li>Four error correction levels (Low, Medium, High, Quartile)</li><li>Export as PNG or SVG</li><li>Copy to clipboard from the menu or with a single click on the mosaic</li><li>Persistent preferences for default color and error correction level</li></ul>