Mood Tracker - Online Daily Emotion Journal & Calendar
Log your daily mood and view trends on a calendar. Encourages mindfulness. Data stored only in your browser's localStorage for complete privacy.
UD5 Toolkit
Select a mood color, then tap a date
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Start tracking your mood to see insights here.
Log your daily mood and view trends on a calendar. Encourages mindfulness. Data stored only in your browser's localStorage for complete privacy.
Browse all official LEGO colors with names, years, and hex codes. Sort by hue. Perfect for builders.
Select a desired emotional state (calm, energize) and get a suggested song structure with BPM range.
Log leftovers with date stored and set visual alerts when they need to be eaten. Reduce food waste. Local storage.
Simulate paint colors on a pre-loaded room photo by adjusting hue, saturation. Find your perfect shade before buying. Local canvas.
Track daily mood with emoji selection and optional notes. See weekly/monthly mood trends in a color-coded chart. All data stored privately in localStorage.
Log daily sleep to see cumulative sleep debt or surplus over weeks. Visualizes chronic sleep loss trends. Stores data locally in your browser only.
Pick a source color and generate a complete M3 tonal palette with light/dark schemes. Export as CSS custom properties.
Enter a hex color and get its relative luminance per WCAG definition. Understand why this matters for contrast.
Enter L*a*b* values and see the corresponding RGB and hex color. Useful for advanced color manipulation.
Rotate the hue of any image globally. Turn a red car blue instantly. Download the result. Works entirely in the browser.
See a random color and type its name. Score based on accuracy. Fun for designers. Local.
Convert hex or RGB to CIELAB L*a*b* values. Understand perceptual lightness and color opponents. Local math.
Explore the RGB color space as a rotatable 3D cube. Pick a color directly from the volume. Drag to rotate. Canvas 3D.
Keep track of a tennis match: points, games, sets, and deuce. Supports tiebreak. Great for friendly matches. Local.
Convert any image into colored ASCII art using divs with background colors. Creates a stunning text‑based replica. View & copy HTML.
Keep a simple list of movies you want to watch. Add notes and check them off. Purely local storage.
Turn your browser screen into a full‑color flashlight or strobe. Adjust brightness and color. Simple utility.
See the International Space Station’s current position on a world map in real time. Uses public API. No refresh.
Enter a hex color and hear a tone mapped to its hue. Explore the connection between color and sound. Fun perceptual experiment.
Get the exact RGB inversion (negative) of any color. Useful for dark mode theming and high‑contrast accessibility checks.
Track your subscriptions, calculate monthly and yearly totals, and find savings by pausing unused services. Local data.
Select an emoji that matches your mood and log it to a simple calendar. Self‑awareness tool. Local only.
Add plants and track when you last watered them. Get a simple visual alert when it's time to water. Local storage.
Mix two or more colors using subtractive (CMYK‑like) blending. See what happens when you combine real paints. Brush effect canvas.
Write three things you’re grateful for each day. Saved locally. Export as text. Boost mental well-being.
View recent earthquakes worldwide on a map. Fetches public USGS GeoJSON feed directly from browser. Real-time data.
Log your coin collection with year, mint, and grade. Filter and sort. Data stored in localStorage. For numismatists.
Write and store encrypted daily journal entries directly in your browser's localStorage. Export as TXT. No sign-up, fully private.
Log your assets and liabilities to calculate your net worth over time. Data saved only in your browser for security. Simple and clutter-free.