UD5 Toolkit
Web Worker Heavy Task Demo - Online Non‑Blocking
Run a CPU‑heavy calculation (e.g., prime numbers) in a Web Worker and see the UI stay responsive. Code snippet provided.
Daily Time Block Planner – Online Hourly Schedule
Daily Time Block Planner
⏳ Planned: 0h
🕐 Free: 20h
● Now
Work
Meeting
Exercise
Study
Meal
Rest
Personal
Other
Web Worker Fibonacci Demo - Online Non‑Blocking Calculation
Calculate large Fibonacci numbers in a Web Worker. See the UI remain responsive. Copy the pattern for your app.
Sanding Grit Progression Planner – Online Woodworking Surface Prep
Select starting and ending surface condition to get an optimal sandpaper grit sequence. Never skip a grit again and achieve a flawless wood finish.
Grocery Cost Estimator - Online Budget Your Weekly Cart
Build a virtual grocery list with estimated prices and see total before you shop. Adjust quantities, mark bought items. Data stays in browser.
Gantt Chart Dummy Generator - Online Project Timeline Visual
Enter task names, start dates, and durations to generate a simple Gantt chart as an image. Quick project view.
Nail Trim Scheduler for Small Pets – Online Calendar Alert
Set recurring reminders for nail trims based on species growth rate. Never forget.
Pixelate Image Tool - Online Block & Censor Editor
Pixelate selected areas of an image to hide faces or sensitive data. Adjust block size. Download the censored result.
Meeting Icebreaker Picker – Online Random Fun Check-in
Pick a random icebreaker question or activity for remote meetings. Never start a meeting awkwardly again.
Quilt Fabric Calculator - Online Yardage & Block Count
Calculate how much fabric you need for a quilt based on block size, number, and sashing. Supports metric and imperial. No upload, local.
Jigsaw Blade Selector – Online Material, Thickness & TPI Guide
Choose sawing material and thickness to get the correct blade type, TPI, and shank. Prevents burning and rough cuts.
Airlock Activity Rate Estimator – Online Bubbles per Minute to CO2
Count bubbles per minute to estimate fermentation activity and approximate sugar consumption. Simple conversion.
Skip Link Validator - Online See Bypass Blocks
Check if your site has a visible and functional skip navigation link. Key for keyboard‑only users.
Prioritized Task Scheduler Demo - Online scheduler.postTask()
Schedule tasks with user‑visible, user‑blocking, or background priority. See execution order and delays. Modern web perf.
Clay Conditioning Timer – Online Knead Log & Pasta Machine Passes
Log how many times you've passed clay through the pasta machine. Ensure thorough conditioning without guesswork.
Leftover Paint Coverage Calculator – Online Touch‑Up Planning
Enter the amount of leftover paint and see how many square feet it still covers. Plan touch-ups.
Cheese Curd Cutting Size Guide – Online Visual Cubes
Select cheese type (cheddar, brie) to see recommended curd cut size and visual cube comparison.
Sewing Pattern Layout Optimizer - Online Minimize Waste
Place rectangular pattern pieces on a virtual fabric width to optimize cutting layout and reduce waste. Simple manual drag & drop. Local only.
Electricity Cost Estimator - Online Appliance Running Expense
Calculate daily/monthly/yearly electricity cost of any appliance based on wattage, hours used, and your kWh rate. Compare multiple devices. Fully offline.
Quilt Binding Yardage Calculator – Online Bias & Straight Grain
Enter quilt perimeter, binding width, and seam allowance to get the exact fabric yardage for either straight‑grain or bias binding.
Navigation Timing API Viewer - Online Page Load Breakdown
See your current page load broken down into DNS, TLS, request, and DOM phases. Understand where time is spent.
Navigation Timing API Viewer - Online Page Load Breakdown
See your current page load broken down into DNS, TLS, request, and DOM phases. Understand where time is spent.
Knitting Stitch Counter & Row Progress Tracker
Keep track of stitches and rows for your knitting projects. Multiple counters with increase/decrease shortcuts. Data saved in your browser.
Lunchbox Idea Randomizer – Online Kid‑Friendly Meal Suggestions
Generate a balanced lunchbox meal suggestion (main + sides) with a click. Prevent lunch rut. No account, local.
Fishing Knot Selector – Online Choose by Line & Lure Type
Answer simple questions (braid/mono, hook/swivel) to see the recommended fishing knot with step‑by‑step animation.
Live Drawing Board - Online Freehand Sketch & Save
A beautiful full‑screen drawing canvas with variable brush sizes, colors, and an eraser. Export your sketch as PNG. All data stays local.
Scroll Progress Bar Generator - Online CSS‑Only
Create a pure CSS scroll progress indicator using animation‑timeline: scroll(). No JavaScript. Copy the complete code.
Spray Paint Distance & Coverage Calculator – Online Even Coat Tool
Enter nozzle type and surface area to get optimal spray distance, sweep speed, and estimated cans needed. Prevent runs and drips.
W‑4 Withholding Estimator – Online Simple Tax Refund Checker
Enter income, pay frequency, and expected deductions to estimate your tax refund or balance due. Simplified model.
Tip Pool Calculator - Online Fair Share Splitter for Staff
Fairly distribute pooled tips among staff based on hours worked or points. Customizable percentages. All calculations local and private.
Tip Pool Splitter - Online Fair Share for Staff
Divide pooled tips among staff based on hours worked or weighted percentages. Ensures fair distribution. Instant local calculation.