Daily Life
Computer & Network
QR Code Generator
Generate QR codes online
QR Code Reader
Extract links or text from QR code images
Timestamp Converter
Convert Unix timestamp and date
Number Base Converter
Binary, octal, decimal, hexadecimal conversion
MD5 Encryption
Online MD5 encryption tool
Base64 Encode/Decode
Base64 encoding and decoding tool
URL Encoder
URL encoding and decoding tool with auto-convert support
Chinese to Pinyin
Convert Chinese characters to Pinyin
Color Code
Online color code selection with multiple palettes
Finance
Gold Price
Real-time gold price query
Exchange Rate
Real-time exchange rate conversion
Loan Calculator
Mortgage and auto loan calculator
Income Tax Calculator
Calculate personal income tax
Deposit Interest
Calculate bank deposit interest
Interest Rate Converter
Convert annual, monthly, daily interest rates
Number to Chinese
Convert Arabic numbers to Chinese characters
Date to Chinese
Convert date to Chinese uppercase
Entertainment
Brain Teasers
Fun brain teasers to develop intelligence
Riddles
Selected riddles collection, challenge your wisdom
Two-part Allegorical Sayings
Classic allegorical sayings, learn Chinese culture
Proverbs
Life proverbs containing wisdom
Tongue Twisters
Practice speaking, improve language skills
Chinese Zodiac Query
Query zodiac animal sign and personality traits
Dream Interpretation
Traditional Chinese dream interpretation and meanings
Ancient Book Layout
Vertical text conversion with ancient book styling
Chinese Dynasties
Chinese historical dynasties query
Piano Keyboard
Play piano online
Traditional Chinese Medicine
Practical Calculation
Online Calculator
Online scientific calculator
Temperature Converter
Celsius, Fahrenheit, Kelvin conversion
Area Converter
Convert various area units
Length Converter
Convert various length units
Power Converter
Convert various power units
Weight Converter
Convert various weight units
Heat Converter
Convert various heat units
Pressure Converter
Convert various pressure units
Volume Converter
Convert volume units
Speed Converter
Convert common speed units
Density Converter
Convert common density units
Time Converter
Convert common time units
Age Calculator
Calculate your exact age and zodiac sign
Date Calculator
Calculate days between two dates
BMI Calculator
Calculate Body Mass Index and assess health status
Geometry Calculation
Cylinder
Calculate cylinder volume and area
Cuboid
Calculate cuboid volume and area
Sphere
Calculate sphere volume and area
Cube
Calculate cube volume and surface area
Trapezoid Prism Calculator
Calculate trapezoid prism volume
Cone
Calculate cone volume and surface area
Torus
Calculate torus volume and surface area
Hexagonal Prism Calculator
Calculate hexagonal prism volume and surface area