Recommended free tools
Start with useful, complete tools
These tools have clearer examples, practical use cases, and stable browser-based or public-data functionality.
Korea Lotto Number Generator
Generate Korea Lotto 6/45 numbers with smart pattern analysis.
Korean Zodiac Calculator
Check your Korean zodiac animal and compatibility instantly.
Powerball Number Generator
Generate Powerball picks with multiple pick methods.
Character Counter
Count characters, words, lines, sentences, paragraphs, and reading time.
Kg to Lbs
Convert kilograms (kg) to pounds (lbs) instantly with a free online calculator.
Running Pace Calculator
Calculate running pace, speed, and race times.
NASA Asteroid Close Approach Checker
Check NASA near-Earth asteroid passes and attention scores.
Chess AI Trainer
Play a complete browser chess game against AI with legal move highlights, castling, en passant, promotion, undo, timer, captured pieces, and move history.
Folders
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Instant browser games
Play Games
15 games, no download
Calculators
Numbers, money, health
Text Tools
Count, clean, format
Generators
Names, UUID, random
Converters
Units and currency
Lottery Tools
Number generators
Time Tools
Clock, dates, timers
QR Tools
Codes for links and WiFi
Image Tools
Resize and convert
Sports Tools
Training calculators
Entertainment Tools
K-pop and fandom
Space Tools
NASA and ISS
Environment Tools
Air and risk data
Travel Tools
Trip planning
Data Tools
Countries and public data
Stock Tools
SEC, profit, dividends
Archive Tools
Old papers and records
Ranking Tools
Trends and top lists
Personality Tests
Traits, values, and work style
PDF Tools
Merge, split, and clean
Food Tools
Storage, safety, value
Home Tools
Rent, energy, moving
Clothing Tools
Sizes, laundry, wardrobe
Game Tools
Players, rankings, puzzles
Vehicle Tools
VIN, recalls, crash ratings
Creator
Revenue and content