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.
Click Speed Test (www.ruri.info)
Free click speed measurement tool. Choose from 10, 30, or 60 second durations and measure how fast you can click. Use as a mini-game in streams or as an OBS Studio browser source.
Reaction Time Test (www.ruri.info)
Free reaction time measurement tool. Click when the screen turns green and measure your average response speed over 5 trials. Use as a mini-game in streams or as an OBS Studio browser source.
Streaming Roulette (www.ruri.info)
Free customizable roulette tool for live streamers. Design and generate a URL to use as a browser source in OBS Studio, adding a random-item-selection element to your stream.
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.
