World toilet population

Overview

A simple and clean web app that shares the status of app users who have pressed "I'm in the restroom now." It connects your personal time to the world, just a little bit.

※ The number of people displayed represents the number of app users currently set as using the restroom in this app. This is not a statistical survey or estimate of actual restroom usage.

Main Features

• One-tap Start/End — Automatically removed from the user count 10 minutes after starting
• Real-time Sync — When Firebase is configured, app user sessions are synced and displayed in real-time
• Elapsed Time and Remaining Time Display — Status is restored even after reloading or leaving the app
• Today's Record — Number of uses and total time are saved in the browser
• Small Playful Touch — Toilet paper increases depending on the number of users
• Accessibility Support — Mobile-first, light/dark mode, keyboard operation, screen reader support, and reduced motion settings
• PWA Support — Add to home screen and use like an app
• Privacy-Focused — No registration of name or email address required. Location API is not used

Technology Stack

Built with Next.js (App Router), TypeScript, Tailwind CSS, and Firebase (Cloud Firestore, Anonymous Authentication).

Ideal For

• People who want to enjoy the feeling of connecting with someone in the world during a brief moment in the restroom
• People looking for a simple and lightweight web app
• People who prioritize privacy while seeking a unique experience