Multiplication Challenge (multiplied.onl.jp)
A math practice web app for solving multiplication table problems within a time limit. Ideal for memorizing the multiplication table and track accuracy and scores to gauge progress.
Paint Web (paint.onl.jp)
A paint web app for drawing directly in the browser. Equipped with basic tools such as pen and eraser, it supports touch drawing on smartphones, tablets, and PCs.
Addition Challenge (plus.onl.jp)
A math practice web app where you solve addition problems one after another within a time limit. Great for improving children's arithmetic skills or as a brain workout for adults, with score recording.
Drill Generator (lazesoftware.com)
Auto-generates English vocabulary and math drills. English covers 60+ categories (numbers, months, days, colors, animals); math covers addition, subtraction, multiplication, and division. Supports flashcard display and print output.
Kana Flashcards (www.piliapp.com)
Online flashcards for learning Japanese hiragana and katakana. Practice recognizing kana characters with an interactive quiz-style interface to build reading skills.
Flip a Coin (www.piliapp.com)
An online coin flip simulator. Click to flip a virtual coin and get a random heads or tails result for quick decision-making.
Roll Dice (www.piliapp.com)
An online dice roller for random number generation. Roll one or multiple virtual dice with customizable sides for board games, tabletop RPGs, and classroom activities.
Roulette (www.piliapp.com)
An online roulette wheel for random selection. Customize items on the wheel, spin it, and get a random result. Useful for decision-making, classroom activities, and games.
Massage Vibrator (www.piliapp.com)
An online tool that uses the browser's Vibration API to make your mobile device vibrate in customizable patterns. Control intensity and rhythm for a relaxing massage experience.
Bingo Game (www.oh-benri-tools.com)
An online tool for conducting bingo game draws in a browser. Numbers are shuffled when you start, and drawn numbers are displayed. Pairs with the Bingo Card tool to enjoy the full game.
Bingo Card (www.oh-benri-tools.com)
An online tool for generating and using bingo cards in a browser. Click card numbers to mark them, and pair with the Bingo Game tool to play bingo.
まんまるテスト
Free tool that measures how perfectly round your hand-drawn circle is. Scores based on roundness, closedness, and 360-degree coverage. Use as a stream mini-game or as an OBS Studio browser source.
