Bingo Machine (saruwakakun.com)
A free online bingo machine. Draws numbers in roulette style and saves them automatically. Fullscreen mode makes it perfect for parties, weddings, or projector displays.
Online Dice Roller (saruwakakun.com)
A free 3D dice roller that works instantly in the browser. Roll 1 to 6 dice simultaneously. Supports button clicks, spacebar, and Enter key. No personal data collected.
Online Roulette (saruwakakun.com)
A free online roulette tool ready to use the moment you open it. Supports item customization, URL sharing, and fullscreen mode. Great for YouTube live streams or large-group events.
Reaction Time Test (toolpods.io)
Measure your reaction time in the browser. Respond to visual stimuli and see your results compared to animals.
Roulette (toolpods.io)
Register items and randomly select one using a spinning roulette wheel. Useful for group assignments and prize draws.
Rapid Tap Test (toolpods.io)
Measure how fast you can tap a button in a given time. Quantify your clicking speed in clicks per second.
Typing Speed Measurement (toolpods.io)
Measure your typing speed and accuracy. Track WPM (Words Per Minute) and error rate.
Four Pillars of Destiny (destiny.onl.jp)
A web app for fortune-telling based on the Four Pillars of Destiny (Shichusuimei / Ba-Zi) using birth date and time. Easily check personality and fortune through this traditional East Asian divination method.
Dice Web (dice.onl.jp)
A web tool to roll dice in the browser. Roll one or multiple dice at a time, great for board games, tabletop RPGs, and other activities.
Division Challenge (divided.onl.jp)
A math practice web app where you solve division problems within a time limit. Great for improving children's arithmetic skills or as a brain workout for adults, with score tracking.
Lunch Roulette (lunch.onl.jp)
A web app to randomly decide where to eat lunch using a roulette spinner. Register candidate restaurants and let the wheel choose for you — perfect for indecisive lunch decisions.
Subtraction Challenge (minus.onl.jp)
A math practice web app where you solve subtraction problems within a time limit. Great for improving children's arithmetic skills or as a brain workout for adults, with score recording.
