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.
OGP Tag Generator (web-toolbox.dev)
Free tool for generating OGP (Open Graph Protocol) meta tag HTML from input information. Auto-generates all necessary tags by entering title, description, image, URL, and more.
OGP Image Simulator (web-toolbox.dev)
Free tool for previewing how an OGP image will appear when shared on SNS platforms like Twitter, Facebook, and LINE. Useful for checking share card designs.
OGP Checker (web-toolbox.dev)
Free tool for checking OGP (Open Graph Protocol) meta tags of a specified URL. Displays og:title, og:description, og:image, and more, useful for previewing SNS share appearance.
Number Base Converter (web-toolbox.dev)
Free tool for converting numbers between binary, octal, decimal, hexadecimal, and other bases. Streamlines base conversion tasks in programming and data analysis.
New Year's Eve Countdown Timer (www.piliapp.com)
An online New Year's Eve countdown timer that counts down the seconds to midnight on New Year's Eve. Share the excitement of the new year with a live countdown display.
Nested Border Radius Calculator (web-toolbox.dev)
Free tool for calculating the optimal inner border-radius to visually align nested elements. Enter the parent's border-radius and padding to get the ideal inner value.
Naming Convention Converter (www.oh-benri-tools.com)
An online tool for converting between programming naming conventions such as camelCase, PascalCase, snake_case, and kebab-case. Input text is instantly converted to all formats.
MySQL Syntax Check (www.piliapp.com)
An online MySQL SQL syntax validator. Paste your SQL queries and check for syntax errors to ensure your database queries are correctly structured before execution.
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.
Mortgage Calculator Web (loan.onl.jp)
A mortgage simulation web tool that calculates monthly repayments, total repayment amount, and total interest from loan amount, interest rate, and repayment period. Helpful for planning home purchases.
Monitor Size (www.piliapp.com)
An online tool to detect and display your monitor's physical size in inches. Measure your screen diagonal size directly in the browser without physical measuring tools.
