UD5 Toolkit
Musical Scale Finder – Show Me a Scale on Piano
Choose a root note and scale type to see the scale notes highlighted on a piano keyboard. Covers major, natural minor, harmonic minor, and modes.
Tag: Scale Tool - Proportion Change
11+ toolsCooking Unit Fool‑Proof Converter – Online Easy Scale & Unit Swap
Select ingredient and convert between grams, cups, ounces, etc. with built‑in density estimates. Also scale recipe.
Online Video Resizer - Crop & Scale Locally
Resize a video by cropping to a new aspect ratio or scaling up/down. Apply and download the result. Browser‑based.
Recipe Servings Converter - Online Scale Ingredients
Enter a recipe and scale the ingredient quantities up or down by servings. Supports fractions and mixed units. Cooking helper.
Color Scale Generator - Online Create Monochromatic Stops
Generate a range of tints and shades from a single hex color. Ideal for data visualization, UI design systems, and Tailwind custom palette creation. Local tool.
Accessible Color Scale Builder - Online Generate Tints/Shades with Contrast
Pick a base color and generate a 10‑step scale where each step meets a specific contrast ratio against white or black. Export as CSS custom properties.
Typography Scale Generator - Online Perfect Header Sizes
Select a ratio (1.25, 1.333, 1.5) and a base size to generate a full typographic scale for h1‑h6. Copy CSS variables.
Solar System Scale Model - Online Visual Comparison
See planets and orbits at true scale (or logarithmic). Scroll from the Sun to Pluto. Understand space distances. Canvas.
Font Size Scale Preview - Online Typography Visualizer
Type a few words and see them rendered at every heading size (h1–h6) with your chosen font. Perfect for design systems.
Image Resizer - Online Bulk Photo Resize Without Upload
Resize images directly in your browser by width, height, or percentage. Maintain aspect ratio and download the result. Images never leave your computer.
Scale of the Universe - Online Zoom from Planck to Galaxy
Zoom through sizes from the Planck length to the observable universe. Educational and awe‑inspiring visualization.