Keyboard Shortcut Trainer β Online Learn VS Code / Figma Keys
Select a tool (VS Code, Figma, etc.) and get random shortcut prompts. Press the keys to practice.
UD5 Toolkit
Master Windows keyboard shortcuts through randomized flashcard drills
Select a tool (VS Code, Figma, etc.) and get random shortcut prompts. Press the keys to practice.
Find essential Visual Studio Code shortcuts for Windows, Mac, and Linux. Filter by category. Boost your coding speed with this reference.
Select tea type and get recommended steeping time & temperature. Start a visual countdown with an alert. Make every cup perfect. No ads, local.
Compare mouthpiece specifications sideβbyβside. See how changes affect tone and range. Educational for brass players.
Generate printable math worksheets for addition, subtraction, multiplication, and division. Choose difficulty and number of problems. Answer key included.
Select mortar type (N, S, M) and area to calculate materials needed. Bricklaying helper.
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.
Search a curated dictionary of modern internet acronyms (IMO, TBH, IYKYK) and slang. Simple offline-capable reference. No tracking.
Set up high-intensity interval training rounds with work and rest periods. Audio alerts and customizable sets. Runs in background, no download.
Quickly find the final price after a percentage discount. Also works in reverse to find the original price. Handy for budget shoppers.
Based on move size, hours, and crew, estimate appropriate tip per mover. Quick reference.
Look up common acronyms and abbreviations from a built-in list. Search by acronym or meaning. Always expanding, no internet needed.
Perform common percentage calculations: find percent of a number, percentage increase/decrease, and more. Simple, fast, and always available for free.
Enter length or period to find the other. Visual swinging animation. Quick physics reference.
Compute simple interest and final amount given principal, annual rate, and duration. Also reverse-calculates rate or time. Local only.
Project how your savings and investments grow over time with compound interest. Interactive chart and detailed table. Free and anonymous.
Compare stick models by length, diameter, and taper. Find the perfect balance for your playing style.
Enter cabinet width and find optimal placement for knobs or pulls. Visual layout with grid. Achieve professional look.
Learn to tie essential knots with step-by-step animated diagrams. Includes bowline, square knot, clove hitch, and more. Pure CSS/JS animation.
Convert horse height from hands to centimeters/inches and back. Essential for equestrian purposes. Quick and local.
Compare common knots by their efficiency percentage and residual strength. Interactive chart with animated diagrams.
Convert speed units such as miles per hour, kilometers per hour, knots, and meters per second. Accurate and quick, works offline in your browser.
See how making extra payments reduces tenure and saves interest. Visual graph comparing original vs prepaid amortization. Purely local financial tool.
Estimate how much agricultural lime or elemental sulfur to add to change soil pH by a target amount. Based on soil type and current pH. Educational.
Test min, max, and step constraints on `<input type='number'>`. See how invalid values are handled. Undocumented behavior.
Check HTTP status codes for multiple URLs at once. Identify broken links and redirects. All requests made via browser fetch.
Estimate daily hay and grain needed for a horse based on weight and workload. Follows 2% body weight rule. Educational reference.
Create a simple agenda with timeboxes for each topic. Visual countdown and alerts for each.
Pull out all URLs and links from text. Extract domains, paths, and protocols. Perfect for SEO scraping or analyzing text documents. Client-side execution.
Calculate the tube length for each note of a pan flute given inner diameter. Build your own instrument.