Breathing Exercise Timer - Online Inhale Hold Exhale Visual Guide
Animated circle guides your breathing: breathe in, hold, breathe out. Customizable ratios (e.g., 4-7-8). Soothing colors, optional bell sound. Purely local.
UD5 Toolkit
Browse, filter and learn over 20 essential asanas with detailed instructions, benefits and Sanskrit names. Perfect for your practice or teaching.
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Animated circle guides your breathing: breathe in, hold, breathe out. Customizable ratios (e.g., 4-7-8). Soothing colors, optional bell sound. Purely local.
Enter coordinates and calculation method to estimate Islamic prayer times. Runs entirely in the browser. No internet needed.
Select your region and see a static calendar of common pollen seasons. Informative for allergy sufferers.
A random note appears on the grand staff; click the correct piano key. Improve sheet music reading. Multiple clefs.
Plan insulin or other injection sites with a visual body map and date log. Prevent lipohypertrophy.
Create a slow, zooming and panning photo montage (Ken Burns effect) from your images. Export as WebM video. Canvas.
Convert a photo into a color‑reduced embroidery or cross‑stitch pattern with DMC thread colors. Adjust size and palette. Print chart.
Generate a beautiful fractal tree with adjustable depth, angle, and color. Watch it draw branch by branch. Relaxing and educational.
Control image‑orientation: from-image vs none. See how the browser interprets EXIF rotation. Fix portrait photos.
Select a desired emotional state (calm, energize) and get a suggested song structure with BPM range.
Convert between Gregorian and Hijri (Islamic) dates. Approximate visual reference. Local algorithm.
Enter any two of radius, mass, speed, period, force to find the others. Physics student aid.
Drag emotion word cards onto a canvas to visualize your day. Mix and match. Screenshot to share. Therapeutic.
Enter swatch dimensions and stitches to get gauge. Then calculate cast-on for desired finished size.
Design a crystal grid by placing crystals on a sacred geometry template. Add notes. Screenshot your layout. Spiritual/art.
Arrange virtual fabric squares or triangles on a grid to preview a quilt pattern. Change colors and sizes. Export layout.
Write to shared storage and run a worklet to process data. Learn the privacy‑preserving alternative to third‑party cookies.
Find the best tilt angle for solar panels based on your latitude and season (summer, winter, average). Simple trigonometric estimation. No location data sent.
Create 1-point, 2-point, or 3-point perspective grids. Adjust vanishing points and grid spacing. Useful for artists and architects.
Enter a number and see its prime factors displayed as a tree. Visual math helper.
Scroll through thousands of pre‑computed digits of π. Search for a specific string of digits. For math lovers.
Click through a visual emotion wheel to explore nuanced feelings. Build emotional vocabulary and self-awareness. Local, no data collected.
Enter two sides of a right triangle and get the third. Also gives area and perimeter. Simple and visual.
Design a soft, extruded card with inner and outer shadows. Adjust depth and roundness. Copy the CSS.
Calculate corrected (adjusted) age for premature infants based on birth date and due date. Important for developmental milestone tracking. Local only.
A paint worklet that draws a moving 3D cube. See Houdini in action and copy the JS file. Modern CSS magic.
Calculate how long it will take to pay off credit card debt with fixed monthly payments or a payoff goal. Understand interest costs fully.
Enter an unbalanced chemical equation and get the balanced coefficients instantly. Supports parentheses and ions. All local JavaScript algebra.
Click any color to see common emotional associations and cultural meanings. Quick design reference.
Click a note on the staff and see a visual diagram of the flute keys to press. Supports common alternate fingerings.