The Big Bin Toolbox is a free collection of fast, privacy-first online tools that run entirely in your browser — no signup, no installs, and nothing you enter is ever sent to a server. From word games and calculators to converters, generators, and developer utilities, every tool is built to just work. Browse all 14 tools below, available in 86 languages.
Word & Text Tools
Unscramble, count, generate — master every word.
Word Unscrambler
Type in jumbled letters, get every valid word. Scrabble, Wordle, and more.
Launch Tool →Word & Character Counter
Count words, characters, sentences. Reading time, keyword density, readability scores.
Launch Tool →Lorem Ipsum Generator
Classic, Hipster, Corporate and more. Generate placeholder text in any style.
Launch Tool →Personal Life Management
Track your health, plan your life, and understand your body better.
Period Calculator
Track your cycle, predict your next period, and find your fertile window with visual calendar.
Launch Tool →Due Date Calculator
Estimate your due date, track trimester milestones, and count down to your baby's arrival.
Launch Tool →BMI Calculator
Calculate your Body Mass Index, see your healthy weight range, and check your BMI category.
Launch Tool →Age Calculator
Your exact age in years, months, days. Birthday countdown, planetary ages, and life stats.
Launch Tool →Calculators
Crunch numbers for sleep, mortgages, and life.
Security & Privacy
Protect yourself with strong passwords and secure tools.
Design Tools
Pick colors, generate QR codes, and create visual assets.
Developer Tools
Format, convert, and debug with precision.