Everyday Tools
QR codes, passwords, a scientific calculator, an autosaving notepad, word counts, age and dates, BMI and JSON — the quick tools you reach for every day.
- Age CalculatorCalculate your exact age in years, months and days, total weeks and days lived, and the countdown to your next birthday. Free and private.
- BMI CalculatorCalculate your BMI in metric or imperial units, see your WHO category and healthy weight range — with optional Asian cut-offs.
- Days Between DatesCount the days between two dates, including weeks, months and Monday–Friday business days, with an option to include the end date.
- JSON FormatterFree json formatter: pretty-print with 2/4-space or tab indent, minify, sort keys and find errors with exact line and column.
- Online NotepadFree online notepad that saves automatically in your browser. Multiple notes, word and character count, find and replace, open and download .txt files. Private.
- Strong Password GeneratorGenerate strong random passwords with uppercase, lowercase, numbers and symbols using your browser’s cryptographic generator. Nothing is stored or sent.
- QR Code GeneratorCreate a qr code for links, menus, flyers, business cards and product packaging. Custom colours, error correction, PNG and SVG download.
- Scientific CalculatorFree online scientific calculator: sin, cos, tan and inverses, logs, powers, roots, factorials, nCr, nPr, π and e, DEG/RAD and history. Type or tap.
- 🇮🇳 Popular in IndiaUPI Payment QR Code GeneratorCreate a upi payment qr code for collecting UPI payments in India from any UPI app — GPay, PhonePe, Paytm, BHIM.
- Word CounterFree online word counter: words, characters (with and without spaces), sentences, paragraphs, reading time and keyword density — updates as you type.