Disc Golf Putting Probability Calculator - Online C1X/C2 Stats
Estimate make probability of a putt based on distance and skill rating. For disc golf enthusiasts. Fun statistical tool, no data upload.
UD5 Toolkit
3D Animated Dice — Roll up to 10 dice at once!
Estimate make probability of a putt based on distance and skill rating. For disc golf enthusiasts. Fun statistical tool, no data upload.
Explore the RGB color space as a rotatable 3D cube. Pick a color directly from the volume. Drag to rotate. Canvas 3D.
Combine two random elements and get a surprising result. Inspired by Little Alchemy. Infinite ideas. All local.
Draw a 3D box or room interior by dragging vanishing points. Great for learning perspective drawing. Export as image.
Generate printable math worksheets for addition, subtraction, multiplication, and division. Choose difficulty and number of problems. Answer key included.
Get a random tattoo concept with style and placement suggestion. For fun and inspiration only. Not real art.
Compute probability for simple events, as well as permutations and combinations (nPr, nCr). Useful for statistics and game theory. Browser-based math.
Calculate odds of drawing specific cards or poker hands from a standard deck. Learn combinations. Local math.
A kanji appears; you guess how many strokes it has. Learn stroke order awareness.
Calculate the area of an irregular polygon by entering its vertex coordinates. Uses the shoelace formula. Pure math.
Draw perfect ellipses by dragging focal points and a point on the curve. See the equation update dynamically. Educational.
Complete a 10x10 multiplication grid against the clock. A fun way to master times tables.
Play the extended 5‑gesture version against a CPU. Rules explained. Score tracking. A geek classic.
Select a destination language and generate a printable mini phrasebook with essential greetings, directions, food, and emergency phrases. Local only.
Draw pixel art with a grid, color palette, and eraser. Export as PNG. Perfect for game developers and hobbyists.
Design circular string art by ticking nails and seeing simulated thread lines. Adjust number of nails and steps. Export pattern. Local only.
Evaluate the Gamma function for real and complex inputs (real part). Extension of factorial. Academic mathematics tool.
Scroll through thousands of pre‑computed digits of π. Search for a specific string of digits. For math lovers.
Cute vegetable-themed memory matching game for preschoolers. No ads, simple interface.
Create a virtual scratch card with a hidden message or prize. Send the link; recipient scratchs with mouse/touch. Canvas-based.
See exact mm and inch dimensions of ISO A-series and US paper sizes. Visual comparison tool. Also calculates weight based on GSM and dimensions.
Convert across length, mass, speed, temperature, data, and more. Search any unit and type. Compact and fast.
Practice mental arithmetic with customizable operators and digit count. Timed rounds, score tracking. Works offline. Improve your brain speed.
Try to draw a perfect circle freehand. Score based on roundness. Fun and addictive. No data sent.
Enter a first name and last name, plus a domain, to generate common email address patterns. For finding contacts.
Get a random heartfelt or funny birthday message to write in a card. Choose from various tones. Local.
Enter two names and get a playful love compatibility percentage. Purely for entertainment! All calculation happens instantly in your browser.
Create an HMAC (Hash‑based Message Authentication Code) using SHA‑256 or SHA‑512 with a secret key. Verify data integrity. Local.
Classic memory card game with emoji or color themes. Select grid size and try to find all pairs in minimum moves. Brain training fun.
Type a word and see if it can be spelled using chemical element symbols. Geeky custom message creator. Copy or share.