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.
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.
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.
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.
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.
Reaction Time Test (toolpods.io)
Measure your reaction time in the browser. Respond to visual stimuli and see your results compared to animals.
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.
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.
Roulette (toolpods.io)
Register items and randomly select one using a spinning roulette wheel. Useful for group assignments and prize draws.
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.
