OpenCrochet

Free crochet tools & tutorials

Calculate, Convert & Learn Crochet for Free!

Instant calculators for gauge, sizing, and stitch terms, plus step-by-step tutorials. No account. No paywall.

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Purple Dragon Amigurumi crochet pattern sheet — free tutorial on OpenCrochet

Core Features of our Tools

Pick a tool and jump in—everything lives in one place.

US ↔ UK terms

Convert stitch terms between US and UK naming instantly.

Gauge calculator

Calculate gauge and sizing adjustments without the guesswork.

Pattern grading

Scale patterns across sizes with clear step-by-step outputs.

Hook & yarn chart

Yarn weights and suggested hook sizes in mm and US letters.

Increase & decrease

Spread shaping evenly across a row with a copyable pattern line.

Yarn yardage

Estimate how much yarn you need before you cast on.

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Latest tutorials

Fresh step-by-step patterns and guides free to follow.

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Orange and cream crochet corgi puppy lying down, with a cream blaze on the face, black safety eyes, an embroidered black nose, upright orange ears with cream lines inside, cream front paws and a short

Baby Corgi Crochet Pattern: Chunky Amigurumi Puppy

Crochet a chunky baby corgi. Easy amigurumi with a cream blaze, ears and tail.

Amigurumiintermediate
Light blue crochet axolotl lying flat, with a round head, black safety eyes, pink cheeks, ruffled periwinkle gills on both sides, small arms and legs, and a periwinkle tail fin.

Axolotl Water Salamander Crochet Pattern

Crochet a 14 cm axolotl amigurumi with ruffled picot gills, safety eyes and a tail fin.

Amigurumibeginner
Small green crochet turtle keychain with a round green head, black eyes, a stitched smile and pink cheeks, a yellow belly with a small red heart, and green hands and legs, hanging from a green ring wi

Cute Turtle Crochet Pattern: Amigurumi Keychain

Crochet a tiny green turtle keychain with a yellow belly, shell, hands, legs and tail. Quick beginner amigurumi worked from magic rings.

Amigurumibeginner
Crochet bunny comforter with a turquoise granny square blanket edged in white, topped by a small white bunny head with long floppy ears, two little arms and a simple stitched face.

Bunny Comforter Crochet Pattern: Granny Square Lovey

Crochet a soft bunny comforter: a granny square blanket with a stuffed bunny head with floppy ears and arms.

Amigurumibeginner

Why makers use OpenCrochet

Free calculators and clear tutorials in one place—so you spend less time guessing and more time stitching.

Instant answers at the hook

Convert US and UK terms, check gauge, grade sizes, and plan increases—without digging through charts or spreadsheets.

Instant crochet calculator answers
Free tutorials for every skill level

Tutorials you can follow

Step-by-step patterns and guides for beginners through advanced makers—organized by category so you find your next project fast.

No account. No paywall.

Open a tool or tutorial and start immediately. Everything on OpenCrochet is free for makers.

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Free crochet tools without sign-up

Frequently asked questions

Quick answers about free tools and tutorials. Still stuck? Reach out—we’ll help.

Yes. Every calculator on OpenCrochet—US↔UK terms, gauge, pattern grading, hook & yarn chart, increase/decrease, and yarn yardage—is free to use with no account required.