Yarn Substitution Tool – Online Match Gauge & Yardage
When a yarn is discontinued, find equivalent alternatives by matching weight and gauge. Local reference.
UD5 Toolkit
When a yarn is discontinued, find equivalent alternatives by matching weight and gauge. Local reference.
Enter design area and pile height to estimate pounds of yarn needed for a tufted rug. Surprising how much yarn it takes.
Calculate how much fabric you need for a quilt based on block size, number, and sashing. Supports metric and imperial. No upload, local.
Enter quilt perimeter, binding width, and seam allowance to get the exact fabric yardage for either straight‑grain or bias binding.
Create a pure CSS scroll progress indicator using animation‑timeline: scroll(). No JavaScript. Copy the complete code.
Place rectangular pattern pieces on a virtual fabric width to optimize cutting layout and reduce waste. Simple manual drag & drop. Local only.
Log how many times you've passed clay through the pasta machine. Ensure thorough conditioning without guesswork.
Enter mosaic area and choose tessera size to find the approximate number of tiles required. Includes grout joint factor.
Upload a small image and see it tiled as a canvas pattern. Export the pattern or copy the JavaScript.
Enter task names, start dates, and durations to generate a simple Gantt chart as an image. Quick project view.
See the View Transitions API in action. Cross‑fade and morph between two states. Copy the JavaScript starter code.
Define the initial scroll position for a scroll container with scroll‑start. Test with and without snapping. New feature.
Customize falling snow particles with pure CSS or canvas. Adjust speed, size, and wind. Copy the code for your website.
See how many tabs you have open and estimate memory usage based on navigator object. Fun productivity check.
Enter your first pin distance and arrow speed to estimate gaps for 30, 40, 50, 60 yard pins. Start practice.
Create an animation that advances with scroll using animation‑timeline: scroll(). See the visual timeline editor. Modern CSS.
Divide your day into blocks with color codes. Drag tasks into slots. See free time at a glance.
Enter income, pay frequency, and expected deductions to estimate your tax refund or balance due. Simplified model.
Draw shapes and experiment with globalCompositeOperation. See Porter‑Duff operators in action. Great for game devs.
A customisable Matrix‑style digital rain animation. Adjust speed, characters, and colors. Fullscreen mode for ambiance.
Set start and end times for a video and trim it without re-encoding. Download the clip. Pure browser.
Enter your car's make and model to find the minimum and maximum rotor thickness specs. Static lookup table. Local reference.
Answer simple questions (braid/mono, hook/swivel) to see the recommended fishing knot with step‑by‑step animation.
Add fish species and sizes to estimate the bioload and check if your tank is overstocked. Inch‑per‑gallon model.
A beautiful full‑screen drawing canvas with variable brush sizes, colors, and an eraser. Export your sketch as PNG. All data stays local.
See your current page load broken down into DNS, TLS, request, and DOM phases. Understand where time is spent.
See your current page load broken down into DNS, TLS, request, and DOM phases. Understand where time is spent.
Select starting and ending surface condition to get an optimal sandpaper grit sequence. Never skip a grit again and achieve a flawless wood finish.
Adjust root, margin, and threshold. See a live log of intersection events as you scroll. Debug lazy loading.
Calculate large Fibonacci numbers in a Web Worker. See the UI remain responsive. Copy the pattern for your app.