Tools for Crocheters
A small collection of focused, browser-based tools. No signups, no subscriptions — just open and use.
AI Crochet Pattern Generator
Generate round-by-round stitch counts for amigurumi shapes — spheres, cylinders, cones, and flat circles. Enter gauge and size, get instant patterns. Free, no signup.
- Sphere, cylinder, cone, flat circle shapes
- Classic +6 per round amigurumi rule
- Custom gauge + dimensions
- Copy pattern to clipboard
Amigurumi Yarn & Resizing Calculator
Work out exactly how much yarn you need and what the finished size will be when you change hook size, switch yarn weight, or scale a whole pattern up or down.
- Linear scaling for hook/yarn changes
- Cubic scaling for whole-pattern resizing
- Built-in yarn weight gauge table
- Instant PDF export
Yarn Substitution & Yardage Calculator
Switch yarn brands without running out mid-project. Match total yardage, get the exact balls to buy, and print a shopping list — with a density check for thickness mismatch.
- Total-yardage matching across any two yarns
- Whole-ball rounding with safety margin
- Yards-per-gram thickness mismatch check
- Printable PDF shopping list
Amigurumi Pricing Calculator
Stop guessing your prices. Enter materials, hours and fees — get a suggested price that actually pays you, plus break-even, profit and your real hourly rate.
- Algebraic price solve for percentage-of-price fees
- Etsy, Shopify, Instagram & in-person fee presets
- Break-even, profit, margin & effective wage
- Printable PDF profit sheet
2026 Trend Palette & Yarn Colour Mapper
See the three 2026 crochet trend palettes mapped to real yarn brand colour codes. Or pick any colour and find its closest match across popular amigurumi yarns.
- Wilderkind, Mystic Outlands & Extra Celestial palettes
- Match any colour to closest yarn by perceptual distance
- 90+ colours across 6 popular yarn brands
- Filter by weight, export to the Pattern Studio
Photo-to-Pattern Studio
Turn any photo into a pixel-perfect crochet pattern with row-by-row instructions, custom yarn kits, and corner-to-corner tutorials.
- AI colour quantisation & stitch mapping
- Row-by-row + C2C instructions
- Custom yarn kit matching
- PDF / PNG / CSV export
Frequently asked questions
Are AeternaCraft crochet tools free to use?
Yes, every tool on this page is free, runs entirely in your browser, and requires no signup. There are no usage limits, and the calculators also export printable PDF summaries at no cost.
Do these crochet tools work on mobile?
Yes, all five tools are responsive web apps that work on phones, tablets, and desktop browsers. They require JavaScript but no app installation or account.
Which crochet tool should I start with?
Match the tool to your current problem: the Amigurumi Calculator for sizing a pattern, the Yarn Substitution Calculator for switching yarn brands, the Pricing Calculator for pricing handmade items, and the Trend Palette Mapper for matching 2026 trend colours.
Can I turn a photo into a crochet pattern?
Yes, the Photo-to-Pattern Studio converts any photo into a pixel-perfect crochet pattern. It outputs row-by-row written instructions, DMC colour matching, and custom yarn kits. Browse subject-specific guides (dog, cat, wedding, family, memorial, landscape) on the photo-to-crochet page.
Photo to Crochet — by subject
Subject-specific guides on turning your photos into crochet patterns. Each guide covers the ideal colour count, grid size, and stitch mode for that subject.
Browse all photo-to-crochet guides