UD5 Toolkit
Keyboard Shortcut Trainer – Online Learn VS Code / Figma Keys
Select a tool (VS Code, Figma, etc.) and get random shortcut prompts. Press the keys to practice.
VS Code Shortcuts Cheatsheet - Online Keyboard Shortcuts
VS Code Shortcuts Cheatsheet
Master Visual Studio Code with keyboard shortcuts for Windows, Mac & Linux
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Frequently Asked Questions
Windows Shortcut Driller – Online Random Win+Key Prompt
Randomly prompts you to press a Windows keyboard shortcut (e.g., Win+E). Learn to be a power user.
Compound Interest Calculator - Online Investment Growth Tool
Project how your savings and investments grow over time with compound interest. Interactive chart and detailed table. Free and anonymous.
Internet Slang & Acronym Dictionary - Online Quick Lookup
Search a curated dictionary of modern internet acronyms (IMO, TBH, IYKYK) and slang. Simple offline-capable reference. No tracking.
Discount Calculator - Online Sale Price & Savings Tool
Quickly find the final price after a percentage discount. Also works in reverse to find the original price. Handy for budget shoppers.
Snow Removal Cost Calculator – Online DIY vs. Service
Compare time and equipment cost to hiring a plow service. Fun winter economics.
Acronym Finder - Online Decode Abbreviations & Slang
Look up common acronyms and abbreviations from a built-in list. Search by acronym or meaning. Always expanding, no internet needed.
Mortar Mix Calculator – Online Sand, Cement, Lime
Select mortar type (N, S, M) and area to calculate materials needed. Bricklaying helper.
Loan Calculator - Online EMI & Amortization Schedule Generator
Calculate monthly EMIs for any loan type and see the detailed amortization schedule. Compare different interest rates and tenures with instant results.
Concrete Mix Calculator - Online Cement Sand Gravel Ratio Tool
Calculate required bags of cement, sand, and gravel for a given concrete volume using standard mix ratios (1:2:4, etc.). Supports metric and imperial.
Loan Prepayment Analyzer - Online Interest Savings Calculator
See how making extra payments reduces tenure and saves interest. Visual graph comparing original vs prepaid amortization. Purely local financial tool.
Simple Interest Calculator - Online Principal Rate Time Tool
Compute simple interest and final amount given principal, annual rate, and duration. Also reverse-calculates rate or time. Local only.
Moving Tip Calculator – Online How Much to Tip Movers
Based on move size, hours, and crew, estimate appropriate tip per mover. Quick reference.
Cabinet Hardware Placer – Online Even Spacing Calculator
Enter cabinet width and find optimal placement for knobs or pulls. Visual layout with grid. Achieve professional look.
Poison Control Reference – Online US Hotline & Ingredient Lookup
Displays the national poison control number and basic first steps for common household ingestions. Seek medical help immediately.
URL Status Code Checker - Online Bulk HTTP Response Tool
Check HTTP status codes for multiple URLs at once. Identify broken links and redirects. All requests made via browser fetch.
Simple Pendulum Calculator – Online Period & Length
Enter length or period to find the other. Visual swinging animation. Quick physics reference.
Interval Timer - Online HIIT & Tabata Workout Clock
Set up high-intensity interval training rounds with work and rest periods. Audio alerts and customizable sets. Runs in background, no download.
Sales Tax Calculator - Online U.S. State Tax Estimator
Estimate the total price after adding US state sales tax. Select state, enter amount, and see breakdown. Simple and quick, perfect for shoppers.
CAGR Calculator - Online Compound Annual Growth Rate
Find the CAGR of an investment given start and end values over a time period. Instant growth rate.
Speed Converter - Online mph km/h & Knots Calculator
Convert speed units such as miles per hour, kilometers per hour, knots, and meters per second. Accurate and quick, works offline in your browser.
Drumstick Balance Calculator – Online Tip & Taper Preference
Compare stick models by length, diameter, and taper. Find the perfect balance for your playing style.
Meeting Agenda Timer – Online Stay on Topic with Countdown
Create a simple agenda with timeboxes for each topic. Visual countdown and alerts for each.
Tea Brewing Timer - Online Perfect Steep for Green Black Oolong
Select tea type and get recommended steeping time & temperature. Start a visual countdown with an alert. Make every cup perfect. No ads, local.
Compost Ratio Calculator – Online Brown/Green Balance Tool
Adjust material types (leaves, grass) to achieve the ideal 30:1 C:N ratio. Improve compost bin performance. Local only.
Chicken Feed Ration Calculator – Online Layer, Broiler, Chick
Mix your own feed by entering grain percentages and see the resulting crude protein. Formulate a balanced diet for your flock.
Elephant Toothpaste Demo Calculator - Online Reaction Ratios
Find safe mixing ratios for the classic elephant toothpaste demonstration. Volume adjustments for different container sizes.
Math Worksheet Generator - Online Printable Drills for Kids
Generate printable math worksheets for addition, subtraction, multiplication, and division. Choose difficulty and number of problems. Answer key included.
Percentage Calculator - Online Find Percent, Increase & Decrease
Perform common percentage calculations: find percent of a number, percentage increase/decrease, and more. Simple, fast, and always available for free.
HIIT Interval Timer - Online Custom Work & Rest
Set up high‑intensity intervals with work, rest, and rounds. Audio cues. Sweat without any app. Local only.