Life Tools - 98 Total Count
Calculate BMI
Calculate body fat percentage based on BMI formula
Calculate Basal Metabolic Rate
Free online daily water intake calculator based on your body weight.
Free online tool that calculates a healthy weight range for a given height using the standard BMI formula — instantly see the underweight, normal, and overweight thresholds.
Free online female safe period and ovulation calculator
Calculate possible child blood types from parents
Tire pressure unit conversion (PSI/BAR/KPA)
Calculate product expiration date
Calculate your age in an interesting way — e.g., 5 years and 300 months old.
Query phone number location
Powerful batch phone number location lookup tool with deduplication and export support.
Generate all phone numbers for a given segment
Sort or randomize phone numbers
Extract unique phone numbers from list
Free online tool to separate phone numbers by carrier segment in batch.
Add international dialing code to phone numbers
Format phone numbers as 3-4-4
Generate complete 11-digit phone from 7-digit segment
Batch convert phone numbers to VCF files for one-click contact import.
Extract phone numbers from VCF contact file
Edit SMS messages on PC and send to phone via QR code scanning.
Batch lookup Chinese landline/fixed phone number location information.
Free online ID card number verification tool with region lookup, gender/birthday extraction.
Batch calculate age from ID card numbers
Query bank card opening bank
Validate bank card number
Batch validate bank card numbers using the Luhn algorithm.
Free online date calculator — find the days/months/years between two dates, or add/subtract days/months/years to get a past or future date.
Calculate real age, virtual age, zodiac sign and Chinese zodiac
Query lunar date and Ganzhi for solar date
Convert date to Chinese uppercase
Calculate Ganzhi (Heavenly Stems and Earthly Branches)
Generate continuous date list
Generate full year date list
Calculate which day of the week a specific date falls on.
Calculate which day of the year a specific date is.
Calculate what day of the year today is and how many days remain.
View calendar
Calculate retirement date
Calculate historical dynasty by year
Set countdowns
Custom date countdown timer
Daily fixed time countdown
Countdown to New Year
Countdown to off work time
Countdown to Gaokao exam
Countdown timer
Free online stopwatch with millisecond precision
Set alarm clock reminder
Display time
Display local time vs Beijing time
Display time for multiple cities
Quickly check your device's public IP address.
Batch query IP address location
Free online tool to shorten long URLs.
Free online tool to automatically refresh a webpage at set intervals.
Batch auto-visit URL lists sequentially, simulating clicks.
Batch open URL links
Generate web shortcut file
Convert URL list to HTML hyperlinks
Free online coin flip simulation with statistics
Free online dice roll simulation with customizable dice count
Enter a name list and randomly pick names, supports multiple picks and no-repeat mode
Free online random grouping tool, supports grouping by count or size
Query first 1 million digits of Pi, supports search and download
View and download the first 10,000 digits of Pi.
Find where your birthday digits appear in Pi.
Estimate Pi using Monte Carlo method
Free online Chinese kinship relationship calculator for complex family titles.
Licking is a lifestyle, a way of chatting
Classic scumbag quotes, beware
Online electronic wooden fish for merit
Hello World examples in dozens of programming languages
Test your brain reaction speed online
Test mouse or screen clicks in 10 seconds
Test whether you have red-green or blue-yellow color blindness.
Test the frequency range of your hearing.
Generate Schulte grids with custom sizes for attention and visual training.
Detect keyboard key codes
Evaluate the security strength of your account password.
Simple online image processing tool
Simple online drawing pad
Create fullscreen scrolling text effect
Large font text reader
Convert text to speech
Generate We Chat multiple instance batch files
Generate Alipay payment audio
Generate QQ chat link
Download Chrome extension CRX files for manual installation.
Read file list inside ZIP archive
Convert English text to title format
Capitalize first letter of each paragraph
Free online plain-text copy tool that strips rich-text formatting, extra spaces, and line breaks in one click.
Filter Excel data by list
Parse and format address and name information from shipping/logistics text.
Parse and format a non-standard address.
Batch parse and format non-standard addresses.