Sunset Alarm â Online Snooze Based on Tonight's Sunset Time
Set an alarm relative to today's sunset (e.g., 30 minutes before). Perfect for evening routines. Uses geolocation (optional).
UD5 Toolkit
The American Kennel Club recognizes over 200 breeds, each with a detailed written standard describing the ideal silhouette and proportions.
Studies show that experienced dog handlers can identify breeds from silhouettes with over 85% accuracy within 3 seconds.
Silhouette-based identification exercises improve pattern recognition skills and strengthen visual memory.
Set an alarm relative to today's sunset (e.g., 30 minutes before). Perfect for evening routines. Uses geolocation (optional).
Log shedding events, note duration, and track humidity to optimize next cycle. Healthy scales.
Apply userâselect: none, text, all and see how it affects selection. Copy the CSS snippet for your UI elements.
Write CSS with native nesting (like SCSS) and see the browserâs native parsing. Validator and live output.
See every HTML input type in one page. Check browser support and styling. Copy sample markup. Quick frontend reference.
Manipulate CSS values as typed objects using attributeStyleMap. Convert between CSSUnitValue, CSSMathSum, etc. Futuristic CSSâinâJS.
Load images or use colors and apply all 15 CSS blend modes. Visual tester for creative effects.
Upload any picture and instantly get a 5âcolor palette. Useful for UI design themes. Canvasâbased extraction.
Enter network name and password to generate a stylish printable card for visitors. Local, no data leak.
Test the new style() function inside @container to query custom property values. Revolutionary componentâbased responsive design.
Register a custom CSS property with syntax, initial value, and inherits. Animate colors and numbers that couldnât before.
Access the Paint Timing API and display First Paint, First Contentful Paint, and Largest Contentful Paint times. Quick perf check.
Paste your CSS and see rules sorted by specificity. Find overrides and potential collisions. Understand your cascade.
See your device's battery level, charging status, and discharge time using the Battery Status API. Fun utility.
A completely black page to save battery on OLED devices. Click to go fullscreen. Simple utility.
See the current Service Worker registration, its state, and scope. Send 'skipWaiting' and update. PWA debug.
Get a random, unique superpower with a detailed description and limit. Perfect for character creation or daydreaming.
Estimate how long a battery will last given capacity (mAh/Wh) and load current. Also computes backup time for power banks. Quick and local.
Schedule tasks with userâvisible, userâblocking, or background priority. See execution order and delays. Modern web perf.
Connect to a BLE device and read its Battery Service characteristic. See the charge level in a gauge.
Implement a dark/light theme toggle that respects prefersâcolorâscheme. Copy the complete JavaScript and CSS.
Reset native styling on form elements with appearance: none. See before and after. Essential for custom forms.
Easily compute posterior probabilities given prior, likelihood, and marginal likelihood. Visual diagram. All local.
Set up multiple @layers and use revertâlayer to fall back. See the computed style and cascade resolution live.
Generate a random 5âcolor palette where every adjacent pair passes WCAG AA contrast. Safe for inclusive designs.
Apply willâchange to any element and see its effect on compositing. Learn best practices for smooth animations.
Estimate arrival time with driving duration, breaks, and time zone changes. Plan your road trip precisely.
Enter a URL and instantly generate a PDF version using the browser's print-to-pdf engine. Private, no upload.
Paste your CSS and get a sorted list of all custom properties defined under :root with their values. Quick audit.
Enter any integer and quickly find the next prime number after it. Perfect for hashing and puzzles.