A collection of handy calculators and generators to make your life easier. All tools are free to use and require no registration.
Browse by category or open a dedicated tool page from the same shared system.
Generate random passwords and passphrases with server-side security and uniqueness checks.
Generate unique passwords and passphrases with server-side security checks.
Calculate body mass index instantly from your height and weight.
Your BMI
24.2
Healthy
Healthy weight for your height
53–72 kg
Find your sale price and total savings in seconds.
Price after discount
$80.00
Original price
$100.00
You save
$20.00
Calculate tips, total bills, and per-person splits quickly.
Tip amount
$9.00
Total bill
$59.00
Each pays
$29.50
Tip each
$4.50
Estimate monthly payments, total interest, and repayment costs.
Estimate monthly payments, interest, and total repayment.
Find the exact number of days and weeks between two dates.
Measure the exact number of days between two dates.
Calculate age instantly from a birth date with a simple browser-based utility.
Results update instantly as you pick a date.
Work out percentages quickly for discounts, markups, and everyday math.
Calculation type
What is X% of Y?
20% of 150
30
Spin up a random choice when you need a quick yes-no style decision helper.
Add at least two options. Up to 20 unique choices are supported.
Count words, characters, sentences, and paragraphs live as you type.
Count words, characters, sentences, and paragraphs live.
Format and validate JSON with pretty-print and minify options.
Format or minify JSON with fast validation.
Convert Unix timestamps and date strings into readable formats.
Convert Unix timestamps into readable dates and back.
Convert 10 miles to kilometers instantly and understand the formula behind the result.
Convert 10 miles to kilometers instantly and understand the formula behind the result.
Every utility is now registered through a shared configuration layer, which keeps routing, listing, and SEO behavior consistent.
That means you can add a new tool once in the registry and it will automatically appear in listings and support its own route.