UD5 Toolkit
Multi‑Touch Event Playground - Online Visualize Touches
See every touch point with coordinates, radius, and force on your mobile device. Debug gestures with live overlay.
Multi‑Stopwatch Page - Online Track Many Tasks
Multi‑Stopwatch
Classroom Seating Randomizer – Online New Assignments Each Day
Enter student names and desks layout, then scramble periodically. Print new seating chart.
Pointer Events Playground - Online Mouse, Touch & Pen
Unified input demo: see pressure, tilt, and type from any pointer. Compare pointerType values. Essential for drawing apps.
Posture Corrective Exercise Randomizer – Online Kyphosis/Lordosis
Select your problem area (forward head, rounded shoulders, anterior pelvic tilt) and get a few random exercises to do.
Coin Flipper - Online Heads or Tails Simulator
Flip a virtual coin to make a decision or settle a dispute. Realistic animation and fair random outcome. Simple, fast, and always available.
Product Hunt Tagline Generator - Online AI‑free Hype
Get a catchy, Product Hunt‑style tagline for your side project. Like 'Uber for left shoes'. Instant creativity.
Canonical Tag Checker - Online Rel=Canonical Inspector
Check a live URL to extract and validate its canonical link element. Ensure correct SEO configuration. Runs from your browser.
Meta Tag Extractor - Online View Any Page's SEO Tags
Enter a URL and extract meta title, description, OG tags into a readable format. Works via frontend proxy or user pastes HTML. Local.
Webhook Tester & Inspector - Online View Incoming Payloads
Generate a temporary webhook URL (mock) and view the JSON payloads sent to it. Great for testing integrations locally.
Random Poem Line - Online Classic Literature Muse
Generate a single line from famous public‑domain poems. Great for creative writing prompts or daily inspiration.
Meta Tag Extractor - Online View Any Page's SEO Tags
Fetch and extract all meta tags, open graph tags, and Twitter cards from a live URL. No server proxy, direct browser fetch.
Random Wikipedia Article Viewer - Online Learn Something Random
Fetches a random Wikipedia article summary via API. Read interesting facts. Simple knowledge discovery tool. No data collected.
Event Schema Markup Generator - Online JSON‑LD for Concerts
Build a complete Event structured data with performer, location, and dates. Get Google‑ready JSON‑LD for tickets.
Eye Dominance Test - Online Find Your Dominant Eye
Simple interactive eye dominance test: hold up a virtual dot and see which eye stays aligned. Educational.
Multi‑Player Trivia Buzzer - Online Family Feud Style
A simple web‑based buzzer system for trivia nights. Assign teams and see who buzzes first. Works on phones.
Random Favicon Generator - Online One‑Click Icon
Click to get a randomly generated, unique favicon. Download as .ico or SVG. For when you need a quick icon.
URLPattern API Tester - Online Route Matcher & Playground
Write a pattern and test it against URLs instantly. See which groups match. Learn the modern alternative to regex for routing. Works entirely in the browser.
PDF Metadata Viewer - Online Read Author, Title & Keywords
Drop a PDF and see its embedded metadata: author, title, creation date, and more. No content is uploaded; pure browser PDF parsing.
Random Travel Phrase Generator - Online Language Phrases
Pick a language and get a random useful travel phrase with pronunciation. For fun language learning. Static data.
CSS Scroll‑Driven Animations Playground - Online Demo
Create animations that progress with scroll position. Experiment with animation‑timeline and view‑timeline. Cutting‑edge CSS.
Swatch Match Finder - Online Find Images Matching a Palette
Pick a color palette and the tool shows sample images that match it. Great for moodboard and brand inspiration. Static dataset.
Famous Book Quote Finder – Online Search by Keyword
Enter a keyword or author to find classic quotes from public domain works. Inspiration tool.
Paraphrase Comparison Tool - Online Spot the Rewrite
Paste two versions of the same idea and see a word‑level diff highlighting the rewrite. Not AI, just diff.
Weight Converter - Online Mass & Weight Unit Calculator
Easily convert between kilograms, pounds, ounces, stones, and more. Supports both metric and imperial weight units. Instant and private conversions.
ULID Generator - Online Universally Unique Lexicographically Sortable
Create ULIDs that are time‑based, URL‑safe, and sortable. Alternative to UUID for modern applications. Copy or download a list.
Random English Word - Online Dictionary Mini
Click to see a random English word with its definition and an example sentence. Expand your vocabulary daily.
Human Skeleton Anatomy Viewer - Online Interactive Bones
Click on any bone in the human skeleton to see its name and learn about it. Rotatable 3D‑like view. Study aid.
Random Element Combination - Online Little Alchemy Style
Combine two random elements and get a surprising result. Inspired by Little Alchemy. Infinite ideas. All local.
All Emojis Showcase - Online Browse & Copy Full Set
View every standard emoji in a searchable grid. Hover to see a larger preview. Click to copy. Updated with Unicode 16.
JavaScript Object Diff Viewer - Online Compare Data
Paste two JSON objects and see a highlighted diff showing what was added, removed, or changed. For API testing.