Online Toolkit

Simple, useful, free tools. No sign-up, instant results, and all your data stays in your browser.

Enter your birth date to instantly get your exact age, total days, zodiac sign, Chinese zodiac and a countdown to your next birthday.

Convert Arabic numerals to formal Chinese characters, lowercase Chinese and TWD amount text — handy for cheques and contracts.

Add items and set their weights, then spin the lucky wheel to draw a random result — great for raffles, grouping and decisions.

A focus-and-break timer with customizable lengths that automatically cycles short and long breaks.

Turn a URL or text into a QR code instantly, choose the error-correction level and colors, and download as PNG or SVG.

Find the span between two dates, or add/subtract days, weeks and months from a date to get a new date.