New Tools

Pants Size Chart

Compare Chinese, European, waist measurements in centimeters and inches, and more to quickly find your pants size.

Interest Rate Change Repayment Calculator

How will an interest rate adjustment affect your monthly payment and total interest? Enter your original loan details and new rate to compare amortized and declining-balance repayments.

Shoe Size Conversion Chart

Enter your foot length in centimeters to instantly find matching China, EU, US, and UK shoe sizes—so you can shop international footwear with confidence.

Bank Deposit Interest Calculator

Calculate bank deposit interest online for demand, time, and notice deposits. Enter your principal, interest rate, and term to instantly see your interest earned and total balance.

Bootstrap Visual Layout Builder

Build Bootstrap grid layouts with drag and drop. Create page structures fast—no hand-coded HTML or CSS needed.

Ring Size Chart

Quickly convert ring sizes across Hong Kong, US, EU, UK, and Japan standards using your finger circumference or diameter, with measurement tips and common mistakes to avoid.

Text to Speech

Turn text into natural-sounding voiceovers in seconds. Choose from multiple voices and adjust the speaking rate for videos, audiobooks, announcements, and more.

Installment Savings Calculator

Calculate the interest and maturity value of an installment savings deposit online. Enter your monthly deposit, term, and annual interest rate to see your total interest and final balance instantly.

Compound Interest Calculator

Calculate compound interest, present value, and future value online. Enter your principal, interest rate, term, and compounding frequency to get instant results.

Popular JavaScript Libraries & CDN Links

Find CDN links for popular JavaScript libraries and copy ready-to-use code snippets to speed up frontend development.

Paint Calculator

Quickly estimate how many litres and cans of paint you need based on room dimensions, door and window areas, paint coverage, and number of coats.

Wall Tile Calculator

Enter your wall dimensions and tile size to quickly calculate how many wall tiles you need, including grout joints and waste allowance—so you don’t overbuy or run short.

Audio Editor

Trim, join, and adjust audio right in your browser—no software installation required. Import and export popular audio formats with ease.

Type 2 Diabetes Risk Calculator

Estimate your risk of type 2 diabetes using age, BMI, waist circumference, blood pressure, and family history. Get an initial screening recommendation.

Diabetes Meal Planner Calculator

Estimate your daily calorie needs and macronutrient targets based on your personal profile to support diabetes meal planning.

屏幕录制专业版

专业屏幕录制：摄像头画中画、系统声+麦克风混音、4K/60fps、定时分段与多录制管理，本地处理不上传。

Headphone Tester Pro

Test headphones with microphone loop: frequency response sweep curves, channel balance & phase, THD distortion measurement, save and export test reports.

Technical Indicator Query

Calculate technical indicators by asset and timeframe: MACD, RSI, Bollinger Bands, EMA/SMA moving averages, KDJ, CCI, ATR, and more. Supports global stocks, futures, forex, and cryptocurrencies.

品种代码查询

按名称或关键词搜索全球股票、期货、外汇、加密货币、贵金属等的合约代码（symbol），可直接用于历史K线查询。

Historical K-Line Lookup

Query historical candlestick data from major global markets (open, high, low, close, volume) across stocks, forex, futures, precious metals, cryptocurrencies, indices and more, with support for minute/hourly/daily/weekly/monthly timeframes.