Decision Roulette - Online Spinning Wheel with Sound
A sound-enabled spinning wheel with your custom options. Exciting animation and result reveal. Local only.
UD5 Toolkit
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A sound-enabled spinning wheel with your custom options. Exciting animation and result reveal. Local only.
Enter a list of names and spin a wheel to pick a random winner. Remove picked names to avoid duplicates. Perfect for classrooms or contests.
Simulate the 7‑bag randomizer to see upcoming piece sequences. Practice your opening for competitive Tetris.
Pick a random hymn or worship song from a curated list. Useful for spontaneous sing‑alongs or service planning.
Randomly picks a specific aspect to focus on (naming, security, performance) during code review. Sharpen reviews.
Spin a wheel or randomize to get a chemical element with fascinating facts and description. Great for kids.
Discover beautiful color palettes for your projects. Generate random, complementary, or trendy schemes and copy hex codes. Useful for designers and developers.
Generate single random colors or full palettes. Displays hex, RGB, and copy on click. Great for design inspiration.
Virtual flip coins thousands of times and see the heads/tails ratio converge to 50%. Interactive law of large numbers.
Scramble letters of any word or sentence to create anagrams. Great for brain teasers and vocabulary games. Simple, fun, and client-side.
Generate a recipe idea to use up sourdough discard. Includes pancakes, crackers, cake, etc. Reduce waste.
Classic HSV color wheel with sliders. See hex, RGB, and HSL equivalents. Intuitive for artists. No server interaction.
Randomly show a Q-code and select correct meaning. Learn while having fun. For your license exam.
Unscramble jumbled letters to form words. Timed challenge mode with hints. Compares against built-in dictionary. Improve vocabulary while having fun.
Get a beautiful, hand‑picked color combination instead of purely random. Each palette has a name and copyable hex codes.
Stuck in a word scramble game? Enter the scrambled letters and get a list of possible English words. Built‑in dictionary. All local.
Pick colors from a palette or use the eye dropper to sample colors from your screen. Converts between HEX, RGB, HSL. An essential tool for designers.
A replica of the famous Flexbox Froggy game: solve alignment puzzles by writing CSS. Progress saved locally. Fun frontend learning.
Generate a dummy RSA or EC public/private key pair for educational visualization. Shows key structure and ASN.1 dump. Not for production use.
Select colors in the OKLCH space with lightness, chroma, and hue. Convert to hex, RGB, and CSS oklch(). Perceptually uniform gradients.
Design custom radio buttons and checkboxes using pure CSS. Choose sizes, colors, and animation. Copy the code.
Searchable list of Q-codes with meanings. Also includes RST system. Prepare for license.
Use the browser's native eyedropper tool to pick any color from the screen. Shows zoomed preview. Quick and easy.
Generate a random 5‑color palette where every adjacent pair passes WCAG AA contrast. Safe for inclusive designs.
Choose a base color and see its complementary, split‑complementary, triadic, and tetradic harmonies. Copy palettes. Local.
Pick a source color and generate a complete M3 tonal palette with light/dark schemes. Export as CSS custom properties.
Virtually fold a digital paper and cut out shapes to see a snowflake unfold. Experiment with designs before real scissors. Pure creative fun.
Test yourself on international calling codes. Random country, type the code. Or reverse. Perfect for travelers.
Select emotions (calm, energetic, sad) and generate a harmonious color palette that reflects the mood.
Select playing style (rhythm, lead, strumming) and string gauge to get the recommended pick thickness in mm.