Tools that solve things, not ones that ask for your email.
37 free tools for images, QR codes, health, money, time, and everyday productivity — right in your browser. Nothing gets uploaded to a server unless a tool specifically says so.
37 free tools for images, QR codes, health, money, time, and everyday productivity — right in your browser. Nothing gets uploaded to a server unless a tool specifically says so.
Compress and prepare images without uploading them anywhere.
Create scannable QR codes for links, text, and more.
JSON, hashes, encoding, and tokens — small utilities developers reach for constantly.
Format, validate, and minify JSON instantly.
Open tool →Generate random UUID v4 identifiers, one or in bulk.
Open tool →Generate SHA-1/256/384/512 hashes from text.
Open tool →Encode or decode percent-encoded URL text.
Open tool →Decode a JWT's header and payload (no signature verification).
Open tool →Quick general-reference calculators — not a substitute for medical advice.
Calculate your Body Mass Index from weight and height.
Open tool →Estimate your daily calorie maintenance, deficit, and surplus.
Open tool →Estimate how much water to drink daily based on your weight.
Open tool →Estimate body fat percentage from waist, neck, and height.
Open tool →Find your max heart rate and exercise training zones.
Open tool →Calculate current pregnancy week and estimated due date.
Open tool →Estimate your next period and fertile window.
Open tool →Calculate BMI for children by weight, height, and age.
Open tool →Simple financial math for daily life — not financial advice.
Calculate tip amount and split the bill between people.
Open tool →Compare simple vs. compound interest growth over time.
Open tool →Estimate monthly payment for a loan amount and term.
Open tool →Calculate final price and savings after a % discount.
Open tool →Convert between currencies using live exchange rates.
Open tool →Everything you need to calculate about dates, hours, and time zones.
Calculate exact age in years, months, and days.
Open tool →Calculate the number of days between two dates.
Open tool →See the current time across major world cities.
Open tool →Add up weekly work hours and calculate pay.
Open tool →Converters and generators for everyday use.
Small tools people reach for constantly — no install, no account.
Calculate percentages two ways: of a value, or X is what % of Y.
Open tool →Convert text to UPPERCASE, lowercase, Title Case, or Sentence case.
Open tool →Generate a random number between a min and max.
Open tool →Roll a die or flip a coin online.
Open tool →Set a countdown timer in minutes and seconds.
Open tool →Start, pause, and reset a stopwatch online.
Open tool →A simple to-do list saved locally in your browser.
Open tool →Convert any color to HEX, RGB, and HSL values.
Open tool →Calculate weighted GPA from grades and credit hours.
Open tool →Encode or decode Base64 text instantly.
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