General
A web tool that counts the number of characters in a text.
A digital clock that displays the current time.
An analog clock displaying the current time.
A digital dice tool that displays numbers from 1 to 6.
A 3D dice rolling tool.
A TODO list to manage your schedule.
Measures elapsed time.
Generates random numbers within a specified range.
Draw a fortune slip.
Check the number of business days in the current month.
Calculate discounted prices by entering the discount amount or percentage.
Message templates for sellers and buyers on Mercari.
Check the Japanese calendar year, Zodiac, and holidays.
A timer utilizing the Pomodoro Technique.
Convert between Western/Japanese years, age, and Zodiac signs.
Game
The 2048 game. Merge tiles to create 2048!
A clicker game to build the strongest company. Increase assets and aim for space!
Classic Snake game. Play in stage mode or infinite mode.
Developer
Format JSON data to make it easier to read.
Format HTML code to make it easier to read.
Format SQL queries to make them easier to read.
Convert between strings and Base64.
Preview Markdown in real-time and export as HTML.