3D RGB Color Cube - Online Interactive Space
Explore the RGB color space as a rotatable 3D cube. Pick a color directly from the volume. Drag to rotate. Canvas 3D.
UD5 Toolkit
Real-time Angular Velocity • 3D Cube
Drag to rotate • Scroll to zoom • Auto mode shows angular velocity demo
Explore the RGB color space as a rotatable 3D cube. Pick a color directly from the volume. Drag to rotate. Canvas 3D.
Rotate and explore the RGB color space as a 3D cube. Pick colors directly from the volume. Interactive Three.js.
A wireframe 3D projection of a rotating tesseract. Drag to rotate in 4D. Fascinating mathematical art.
A paint worklet that draws a moving 3D cube. See Houdini in action and copy the JS file. Modern CSS magic.
Animated circle guides your breathing: breathe in, hold, breathe out. Customizable ratios (e.g., 4-7-8). Soothing colors, optional bell sound. Purely local.
Two players spin wheels to accumulate points. First to target wins. Customizable segments.
Enter any two of radius, mass, speed, period, force to find the others. Physics student aid.
Click colors on an interactive wheel and see the common emotions and meanings associated with them. A design resource.
Plan insulin or other injection sites with a visual body map and date log. Prevent lipohypertrophy.
Create beautiful Spirograph patterns by adjusting circle radii and pen position. Change colors and save as PNG. Relaxing math art.
Enter coordinates and calculation method to estimate Islamic prayer times. Runs entirely in the browser. No internet needed.
Create 1-point, 2-point, or 3-point perspective grids. Adjust vanishing points and grid spacing. Useful for artists and architects.
Click a note on the staff and see a visual diagram of the flute keys to press. Supports common alternate fingerings.
Calculate new dimensions while preserving aspect ratio, or find the ratio from width and height. For video and images.
Visualize how caffeine decays in your body over time. Enter intake amount and see remaining caffeine at bedtime to optimize sleep. Uses standard 5-hour half-life.
Upload an audio clip and generate an animated GIF of its waveform dancing. Shareable sound snippet. Canvas magic.
Control imageâorientation: from-image vs none. See how the browser interprets EXIF rotation. Fix portrait photos.
Select bonding and lone pairs to see the predicted shape (trigonal bipyramidal, octahedral). Static diagrams.
Move your mouse to create colorful ink swirls in a simulated fluid. Beautiful and mesmerizing. No install. Just WebGL.
Calculate water volume for rectangular, bow-front, and cylindrical tanks. Also computes weight of water. Supports inches/cm. Useful for dosing treatments.
Enter swatch dimensions and stitches to get gauge. Then calculate cast-on for desired finished size.
Convert a photo into a colorâreduced embroidery or crossâstitch pattern with DMC thread colors. Adjust size and palette. Print chart.
Keep score for candlepin bowling with its unique rules. No strike carries automatic strikes. For New England enthusiasts.
Arrange virtual fabric squares or triangles on a grid to preview a quilt pattern. Change colors and sizes. Export layout.
Turn any photo into a greyscale pencil sketch. Adjust detail level and darkness. Download your artwork. Local canvas filter.
Estimate the baby's due date based on last menstrual period (LMP) or conception date. Also shows current week and trimester. Educational only.
Interactive piano showing typical vocal ranges from Bass to Soprano. Highlight your range. For choir members.
Select your region and see a static calendar of common pollen seasons. Informative for allergy sufferers.
Enter a word and get a list of perfect and near rhymes. Categorized by syllable count. Useful for songwriting and poems. Static data, local.
Find the best tilt angle for solar panels based on your latitude and season (summer, winter, average). Simple trigonometric estimation. No location data sent.