New Tools

Snake Case & Camel Case Converter

Quickly convert between snake_case and camelCase naming, supports batch processing and common edge cases.

Chinese Zodiac Lookup

Enter your Gregorian birth date or year to instantly discover your Chinese zodiac sign, heavenly stems & earthly branches, and five element attribute.

Solid Color Image Generator

Free online solid color image generator for any color and size, supports PNG/JPG download, perfect for placeholder images and background creation.

Electrolyte Replacement Calculator

Based on body weight, exercise duration, and sweat loss, estimate sodium, potassium, and water intake needed for optimal hydration.

Reaction Time Test

Measure your visual reaction time online. Run multiple tests to calculate an average and see where your reaction speed stands.

Phone Number Value Estimator

Based on digital patterns and beautiful number culture, get a fun reference valuation for your phone number and see how much your number is worth.

Vertical Text Converter

Convert horizontal text into traditional vertical layout, great for calligraphy, classical Chinese, and poster design.

Lanzou Cloud Direct Link Parser

Enter a Lanzou Cloud share link to instantly extract the real direct link for easy downloading or external linking.

Time Deposit Interest Calculator

Enter the principal amount, term, and interest rate to quickly calculate the interest earned and total amount at maturity.

Monthly Interest Payout Calculator

Quickly calculate the monthly interest payout and total interest for fixed-principal deposits. Supports various principal amounts, terms, and annual interest rates.

Curtain Fabric Calculator

Input window width, pleat multiplier, and fabric width to quickly calculate how many meters of fabric a single curtain needs—avoid buying excess or falling short.

Call Deposit Calculator

Calculate notice deposit interest and total amount effortlessly, supporting 1-day and 7-day notice terms.

整存零取计算器

输入本金、年利率、存期和支取间隔，快速计算每期支取金额和总利息。

Tax Late Fee Calculator

Enter your unpaid tax amount and overdue days to quickly calculate your tax late fees online.

Letter Icon Generator

Input text to quickly generate circular or rounded square letter icons suitable for website icons, avatars, UI elements.

Online Stopwatch Timer

Free online stopwatch timer with no download required. Features one-click start/stop, lap tracking, and easy time copying.

Yu'e Bao Earnings Calculator

Enter principal, annual yield rate, and days to quickly calculate expected returns for Alipay Yuebao

在线文字排版工具

自动处理首行缩进、清理多余空行空格、统一标点，让文字排版整洁规范。

Chinese Gender Predictor Chart (2026)

Predict your baby's gender in 2026 using the traditional Chinese Gender Chart. Simply enter the mother's lunar age and conception month. For entertainment purposes only, not scientifically proven.

Precious Metals Contract Lookup

Quickly look up precious metals contract specifications, including trading units, pricing formats, and margin requirements for COMEX, LBMA, SGE, and more.