New Tools

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.

Symbol Search

Search for trading symbols (contract codes) of global stocks, futures, forex, cryptocurrencies, and precious metals by name or keyword—ready to use with candlestick chart and technical indicator tools.

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.

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.

Fixed Deposit Periodic Withdrawal Calculator

Enter principal, annual interest rate, deposit term, and withdrawal interval to quickly calculate the periodic withdrawal amount and total interest.

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.