实用工具集

Scientific calculator supporting basic arithmetic and scientific functions (trigonometric, logarithmic, square root, etc.).

Calculate percentages, percentage increase/decrease, and find the percentage of a number.

Add, subtract, multiply, and divide fractions with simplification, mixed numbers, and decimal conversion.

Calculate the mean, median, mode, and standard deviation of multiple numbers. Enter numbers separated by commas, newlines, or spaces.

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计算等额本息和等额本金还款方式的月供和利息。

计算扣除四大保险和税款后的实得工资（韩国）。

Calculate how much you need to save to reach your goals. Simulate your future savings with initial deposit, monthly contributions, and interest rate.

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根据出生日期计算国际年龄、韩国年龄和距离下一个生日的天数。

Calculate days between two dates, or add/subtract days from a specific date.

Set target dates and count down to your important events. Save multiple events and track progress.

分析文本的字数、字节数、单词数、句子数和行数。

Count words, characters, sentences, and paragraphs in your text in real-time. Estimate reading and speaking time.

按字母顺序或长度对文本行进行排序。支持删除重复项和反转顺序。

Convert between Celsius (°C), Fahrenheit (°F), and Kelvin (K). Features real-time conversion and visual thermometer.

Convert between metric (mm, cm, m, km) and imperial (inch, ft, yd, mile) units.

Convert between metric (mg, g, kg) and imperial (oz, lb, st) weight units.

即时生成安全的随机密码。自定义长度、大写、小写、数字和符号。

将网址、文本、联系方式等转换为二维码。

Generate secure, random UUID v4 identifiers. Create multiple UUIDs at once and copy them easily.

安全生成韩国乐透6/45、美国强力球、百万大奖、欧洲百万彩票号码。