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Age CalculatorFree age calculator to find your exact age in years, months, and days. Calculate age as of any date. 100% private and instant.calculatorWord CounterFree word counter. Count words, characters, sentences, paragraphs, and reading time instantly. Paste text or type directly.textBMI CalculatorFree BMI calculator. Check your Body Mass Index instantly, see weight category, and healthy weight range. Metric & imperial supported.healthPassword GeneratorFree strong password generator with custom length, symbols, numbers, and ambiguous character exclusion. Check strength in real time.generatorQR Code GeneratorFree QR code generator for URLs, Wi-Fi, vCard, SMS, email, and plain text. Customize colors, size, and error correction. Download PNG or SVG.generatorUnit ConverterFree unit converter for length, weight, temperature, volume, speed, time, data, pressure, energy and more. Fast and accurate conversions.calculatorColor PickerFree online color picker. Pick colors, convert between HEX / RGB / HSL / HSV, generate harmonious palettes, and copy values instantly.developerJSON FormatterFree JSON formatter and validator. Beautify, minify, and fix JSON with instant error highlighting. Works offline and private.developerResume BuilderFree ATS-friendly resume builder. Create a professional CV with live preview and download as PDF. No signup required.businessInvoice GeneratorCreate professional invoices instantly for your business. Customize details, calculate taxes, and download as a PDF for free, entirely in your browser.businessEMI CalculatorFree EMI calculator for Indian loans. Get monthly EMI, total interest, and full repayment schedule for home, car, and personal loans using reducing balance method.calculatorCompound Interest CalculatorFree compound interest calculator. See how your money grows with different compounding frequencies, monthly contributions, and time horizons.calculatorSalary CalculatorFree salary calculator. Convert hourly rate to yearly or monthly salary and estimate take-home pay after taxes and deductions.calculatorSIP CalculatorFree SIP calculator. Project the future value of your monthly mutual fund investments with expected rate of return and total wealth gain.calculatorROI CalculatorFree ROI calculator. Calculate return on investment, profit margin, and net profit for any investment or business project.calculatorSalary Slip GeneratorGenerate professional salary slips online for free. Add earnings, deductions, PF, TDS, and HRA. Download or print a fully formatted payslip instantly — no sign-up needed.businessBase64 Encoder / DecoderFree Base64 encoder and decoder. Convert text or files to Base64 and decode them back instantly. 100% private – everything runs in your browser.developerJWT DecoderFree JWT decoder. Paste a token to instantly see the header, payload, expiry, issued time, and all claims. Runs 100% in your browser — nothing is logged or sent anywhere.developerDiff CheckerFree diff checker. Instantly compare two blocks of text or code with clear line-by-line highlighting. Ideal for developers, writers, and data analysts.textRegex Tester & MatcherFree regex tester with live highlighting. Test JavaScript regular expressions, see matches, groups, and flags in real time. Perfect for developers.developerCSS Shadow & GradientFree visual CSS generator. Create beautiful box-shadows and linear/radial gradients with live preview. Copy ready-to-use CSS instantly.developerMarkdown PreviewerFree Markdown to HTML previewer. Write Markdown on the left and see live rendered HTML on the right. Supports GFM, tables, code highlighting, and export.developerURL Encoder / DecoderFree URL encoder and decoder with live query parameter parser. Encode/decode URLs and visually edit query strings for debugging and development.developerUUID / GUID GeneratorFree UUID generator. Create secure v4, v7, and other UUIDs in bulk with custom formatting options. Perfect for databases, APIs, and development.developerCode Minifier (HTML/CSS/JS)Free online code minifier. Compress HTML, CSS, and JavaScript by removing whitespace and comments. See before/after size comparison.developerSVG to Base64 ConverterFree SVG to Base64 converter. Turn SVG code into Data URIs for CSS backgrounds or inline HTML. Fast and private.developerMeta Tag & OpenGraph GeneratorFree meta tag generator with live preview. Create optimized title, description, OpenGraph, and Twitter Card tags for better SEO and social sharing.developerUTM Link BuilderFree UTM link builder for Google Analytics. Generate clean, trackable URLs with source, medium, campaign, term, and content parameters instantly.businessImage CompressorFree image compressor that runs entirely in your browser. Compress and resize JPG, PNG, and WebP images by up to 90% with no upload required.generatorImage to WebP / AVIF ConverterConvert images to WebP and AVIF (plus JPEG/PNG). Resize in bulk, control quality, and download everything. Zero uploads — all processing happens in your browser.generatorColor Palette ExtractorExtract beautiful dominant color palettes from any image or public image URL. Get HEX, RGB, percentages, CSS variables, and exports. 100% private in your browser.generatorTDEE & Macro CalculatorFree TDEE calculator. Find your Total Daily Energy Expenditure and get personalized protein, carbs, and fat recommendations for weight loss, maintenance, or muscle gain.healthPregnancy Due Date CalculatorFree pregnancy due date calculator. Estimate your baby’s arrival based on last menstrual period, conception date, or ultrasound.healthSleep Cycle CalculatorFree sleep cycle calculator. Find the best times to go to bed or wake up so you finish a full 90-minute REM cycle and feel more refreshed.healthPercentage CalculatorFree percentage calculator. Calculate what X% of Y is, percentage increase or decrease, and what percent one number is of another — instantly.calculatorDiscount & Sales Tax CalculatorFree discount calculator. Find the final price after percentage discount, then add sales tax. See exactly how much you save on any purchase.calculatorTip Calculator & Bill SplitterFree tip calculator with bill splitter. Calculate tip amount, total bill, and split the cost evenly among friends. Supports custom tip percentages.calculatorGST CalculatorFree GST Calculator for India. Instantly calculate GST inclusive and exclusive amounts. Get accurate CGST, SGST & IGST breakup for any GST rate (5%, 12%, 18%, 28%). Works offline.calculatorOld vs New Tax Regime ComparatorFree Old vs New Tax Regime Calculator for India (FY 2025-26). Compare your tax under both regimes with deductions, standard deduction & rebate. Find out which regime saves you more money.calculatorEPF & Gratuity CalculatorFree EPF & Gratuity Calculator for India. Accurately project your EPF corpus at retirement and calculate gratuity amount. Includes salary growth, current EPF balance, and latest interest rates.calculatorHome Loan Eligibility CalculatorFree Home Loan Eligibility Calculator for India. Instantly find out the maximum home loan you can get based on your income, existing EMIs, age, and FOIR. Complements our EMI Calculator.calculatorHRA Exemption CalculatorFree HRA Exemption Calculator as per Section 10(13A). Instantly calculate how much of your House Rent Allowance is tax-free based on salary, rent paid, and city type (Metro/Non-Metro).calculatorSmall Savings Schemes CalculatorFree calculator for Government Small Savings Schemes: PPF, NSC, and KVP. Calculate maturity amount, interest earned, and total returns with latest interest rates.calculatorDate Difference CalculatorFree date difference calculator. Find the exact number of days, weeks, months, and years between any two dates. Useful for age, deadlines, and timelines.calculatorFavicon + App Icon GeneratorGenerate complete favicon sets (16×16 to 512×512), Apple touch icons, and PWA icons from one square image. Includes ready-to-use manifest.json snippet. Everything runs locally.developerBase64 to Image DecoderFree Base64 to image converter. Paste any Base64 string and instantly preview + download the image. 100% private and offline.developerPeriod & Ovulation TrackerFree period and ovulation tracker. Calculate your next period date, fertile window, and ovulation based on your average cycle length.healthBody Fat Percentage CalculatorCalculate body fat percentage using the US Navy circumference method and YMCA formula. Accurate tape-measure estimates with fat mass, lean mass, and category. Private and free.healthDaily Water Intake CalculatorCalculate your personalized daily water needs based on body weight, activity, exercise, and climate. Includes a built-in daily intake tracker with progress, logging, and optional in-tab reminders.healthIdeal Body Weight CalculatorCalculate your ideal body weight using the three most trusted medical formulas: Devine, Robinson, and Miller. Useful for health goals, nutrition planning, and clinical dosing estimates.healthHeart Rate Zones CalculatorCalculate your 5 personalized heart rate training zones using maximum heart rate or the more accurate Karvonen (heart rate reserve) method. Optimize fat burn, endurance, and VO2max workouts.healthVO2 Max EstimatorEstimate your VO2 max using the Rockport 1-mile walk test or a quick non-exercise questionnaire. See your cardio fitness rating compared to age and gender norms. Free and private.healthCalorie Deficit PlannerPlan sustainable weight loss. Calculate exact daily calorie target, weeks to goal, and realistic timeline based on your weekly loss target. Includes visual progress chart and safety warnings.healthPomodoro TimerFree Pomodoro timer with tasks, auto breaks, session tracking, daily stats, and per-task time breakdowns. Tag your focus sessions to see exactly where your deep work goes.calculatorHabit TrackerFree simple habit tracker. Add habits, check them off daily, watch current and longest streaks grow. Visual calendar grids and zero-friction daily logging.calculatorDecision MakerFree decision maker tool. Enter options for pure random picks or assign weights for smart weighted decisions. Great for choices, raffles, or team votes.calculatorMeeting Cost CalculatorCalculate the true cost of meetings in real time. Enter attendees, salaries or hourly rates, and duration to see total cost, cost per minute, and yearly projections.calculatorAdvanced Trip PlannerBest-in-class free trip planner. Plan itineraries, log every expense with custom splits, auto-calculate who owes whom, and generate shareable summaries for friends. Covers solo, couple, group, multi-city trips.businessAdvanced Bill SplitterMost advanced free bill splitter. Handle itemized bills, custom shares, tips/taxes, multiple payers, and get perfect settlement suggestions. Works for dinners, rent, trips, projects, and any group expense.businessColor Contrast CheckerInstantly check color contrast ratios against WCAG 2.1 AA and AAA standards. Live preview, multiple input formats, color blindness simulation, and suggestions for accessible color pairs. Essential for designers and developers.developerHash GeneratorGenerate cryptographic hashes instantly in your browser. Supports MD5, SHA-1, SHA-256, SHA-512. Hash text or files with one click. All processing happens locally — nothing is uploaded.developerJWT EncoderCreate valid JWTs instantly. Edit header and payload as JSON, choose algorithm (HS256, HS384, HS512), enter secret, and generate a properly signed token. Live preview and validation included. All done locally in your browser.developerAPI Response Mock GeneratorGenerate realistic API mock responses instantly. Define schema or examples, get valid JSON, error cases, and ready-to-use curl/fetch/axios code. Perfect for frontend development, testing, and documentation.developerSQL Formatter & MinifierFormat ugly SQL into beautiful, readable code or minify it for production. Supports common dialects with smart keyword casing, indentation, and comment stripping. Essential for DBAs, developers, and code reviews.developerRegex GeneratorTurn example strings into accurate regular expressions. Provide positive and negative examples, get a smart regex with explanation, test cases, and flags. Great for beginners and power users alike.developerTimestamp ConverterConvert between Unix timestamps, ISO 8601, human readable dates, and any timezone instantly. Supports milliseconds, relative time, and batch conversion. The ultimate time tool for developers and ops.developerBase64 Image OptimizerPaste or upload a base64 image and instantly get a smaller, optimized version. Control quality, max dimensions, and output format. Perfect for web developers who embed images in CSS, JSON, or HTML.developerGit Ignore GeneratorGenerate perfect .gitignore files for any stack. 30+ templates for Node, Next.js, Python, Java, Go, mobile, OS, IDEs and more. Add custom rules and download instantly. Keep your repos clean.developerBulk Image ResizerResize dozens of images at once. Set max dimensions, exact sizes, or percentage scale. Preserve aspect ratio, choose output format, and download all results. Completely private — no uploads.generatorSimple Mockup GeneratorTurn any screenshot or photo into beautiful phone and laptop mockups instantly. Choose device, color, and export high-quality PNGs. Perfect for landing pages, portfolios, and presentations — all in your browser.generatorImage Watermark ToolAdd professional text and logo watermarks to your images. Control position, opacity, rotation, size, and color. Works on single images or entire batches. 100% private and offline.generatorImages to PDF GeneratorCombine any number of images into a clean printable PDF. Multi-column layouts, per-image rotation, title pages, filename captions, quality control, custom page sizes & more. 100% private — nothing uploads.generatorBreak-Even Analysis CalculatorCalculate break-even point in units and revenue. Input fixed costs, price per unit, and variable costs. See contribution margin, margin of safety, and target profit scenarios. 100% private browser tool.businessProfit Margin & Markup CalculatorCalculate gross profit margin, markup percentage, and reverse engineer pricing. Supports target margin pricing, multiple scenarios, and clear explanations for business owners and freelancers.businessQuotation / Estimate GeneratorCreate clean, professional quotations and estimates. Add line items, taxes, discounts, validity dates. Preview and print or save as PDF. Everything stays private in your browser.businessSimple CRM / Lead TrackerTrack leads, update stages, add notes and values. See pipeline totals and conversion stats. Fully private with local browser storage. No accounts or cloud sync.businessInvoice Number Generator + TrackerGenerate clean sequential invoice numbers with custom prefixes. Track used numbers, dates, and clients locally. Never reuse or skip numbers again.businessIndian Numbering System ConverterConvert between Indian numbering (Lakh, Crore, Arab) and International (Thousand, Million, Billion). Format numbers with correct commas instantly. Essential for finance, real estate, and business in India.calculatorLicense GeneratorGenerate standard open source licenses (MIT, Apache 2.0, GPL-3.0, BSD, ISC, Unlicense) with your details filled in. Copy or download ready-to-use LICENSE files.developerPregnancy Week-by-Week TrackerTrack your pregnancy week by week. Enter your due date or last period and see current week, trimester, baby development milestones, common symptoms, and self-care tips.healthSleep Debt CalculatorCalculate how much sleep you owe your body. Log your recent nights, see your cumulative sleep debt, and get a realistic recovery plan. Improve energy and health.healthPDF & Word to ImageConvert PDF and Word (.docx) files to high-quality PNG or JPG images directly in your browser. Fast, secure, and 100% offline-capable.developerVisiting Card GeneratorCreate professional visiting cards with 12 templates. Customize colors, fonts, and download print-ready PDF at 3.5" × 2" — free, no signup.business