Free crochet tools
Small useful things,
built carefully.
Yarn calculator
How much yarn do I need? Calculate by stitch count, finished dimensions, or yardage estimate. Includes wastage + shrinkage adjustment and skein rounding.
Pattern resizer
Resize a crochet chart by stitch count or finished dimensions. Gauge correction baked in.
US ↔ UK terminology
Translate between US and UK crochet stitch names, hook sizes, and yarn weights.
Image-to-pattern converter
Turn any photo into a crochet, cross-stitch, or knit colorwork chart.