20 free everyday utilities - calculators, date tools, marks %, attendance, password generator, timers and more.
Can't decide? Type your question, flip the coin, and let chance settle it. Front = OK, Back = Not OK.
Open ToolAdd, subtract, multiply and divide with full keyboard support, Indian number formatting, and a 5-calculation history.
Open ToolFull scientific functions - sin, cos, log, powers, roots, π and more. Respects BODMAS with a proper expression evaluator.
Open ToolFind your exact age in years, months and days. Includes next birthday countdown, zodiac sign, and live seconds ticker.
Open ToolCalculate exact days, weeks, months and years between any two dates. Shows weekday and weekend breakdown.
Open ToolAdd or subtract days, weeks, months or years to any date. Find deadlines, expiry dates and anniversaries instantly.
Open ToolThree modes in one: find X% of a number, find what % one value is of another, or calculate % increase or decrease.
Open ToolEnter a price and discount % to get the final sale price, or enter two prices to find the percentage off. Two modes, instant results.
Open ToolEnter your bill, pick a tip %, and split evenly across any number of people. Instant per-person breakdown with optional round-up.
Open ToolGenerate strong, random passwords using cryptographic randomness. Set length, choose character types, and copy instantly.
Open ToolGenerate one or many truly random numbers in any range using cryptographic randomness. Lottery mode, no-repeats, up to 20 numbers.
Open ToolRoll D4, D6, D8, D10, D12 or D20 - single or multiple dice with instant totals, individual results, and last-5-rolls history.
Open ToolStuck on a decision? Type your question and let cryptographic randomness give you a definitive YES or NO - 50/50 every time.
Open ToolAdd names or options, spin the wheel, and get a random winner. Remove winner mode, shuffle, and up to 30 entries.
Open ToolPrecise online stopwatch with lap timer. Start, pause, lap, reset - with keyboard shortcuts and hundredths-of-a-second display.
Open ToolSet a duration or count down to a specific date and time. Progress bar, presets (1 min to 1 hr), and browser notification on completion.
Open ToolFocus with 25-min work sessions and short breaks. Configurable cycles, SVG progress ring, auto-start, and browser notifications.
Open ToolConvert CGPA to percentage using CBSE (×9.5), Anna University (×10), VTU, or a custom formula. Reverse conversion included.
Open ToolConvert marks to percentage with CBSE, ICSE and college grade scales - or find how many marks you need to hit a target percentage.
Open ToolCheck your attendance %, find how many classes you can skip before hitting 75%, or calculate classes needed to recover - exam eligibility in seconds.
Open ToolBMI, BMR, calorie, ideal weight, body-fat, blood pressure, diabetes risk (IDRS), cholesterol checker, pregnancy due-date, ovulation and period calculators.
BrowseEMI, SIP, FD, RD, PPF, NPS, GST, income tax, HRA, retirement, CAGR, salary, step-up SIP, SWP, NSC, KVP, SSY, gold loan, ULIP, toll, electricity bill, rent vs buy, property ROI and more.
BrowseLength, weight, temperature, area, volume, speed, energy - including Indian units (ground, cent, bigha, kanal, marla).
BrowseFoundation tools are the everyday calculators and utilities that virtually every internet user needs at some point - from computing a percentage discount while shopping online to calculating how many days are left until an exam. This collection brings together over 20 of the most commonly searched utility tools in India, covering calculations that students, professionals, and households use daily. No installation, no sign-up, and no ads blocking the interface - just clean, fast tools that work on any device.
India had over 900 million internet users in 2024, with the majority accessing the web via smartphones. Searches for basic calculators spike during school exam season (February-March for CBSE boards), tax filing season (June-July for ITR), and festival seasons when discounts and budget calculations are common. The tools in this suite - including age calculator, percentage calculator, attendance calculator, discount calculator, and password generator - address the most frequent calculation searches across Indian Google queries.
While smartphones have built-in calculators, they lack specialist functions - they cannot tell you your exact age in days, calculate whether your attendance is above the required 75% for college, or generate a secure 16-character password for your IRCTC or DigiLocker account. Each tool in the Foundation suite fills a specific, recurring need that standard phone calculators or spreadsheets handle clumsily. They are designed to give an instant, clearly explained answer with no unnecessary complexity.