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Our tools
PNG to WebPConvert PNG images to WebP format. Dramatically smaller files at the same visual quality.JPG to WebPConvert JPEG photos to WebP. Up to 34% smaller than JPEG at comparable quality.GIF to WebPConvert GIF images to WebP for smaller static frames and more efficient compression.AVIF to WebPConvert AVIF images to WebP for broader browser compatibility. No upload required.BMP to WebPConvert uncompressed BMP files to WebP. Achieve massive size reduction instantly.TIFF to WebPConvert high-resolution TIFF images to lightweight WebP for web use.SVG to WebPRasterize SVG vector graphics to WebP. Crisp output at your chosen quality.ICO to WebPExtract and convert ICO icon files to WebP. Great for repurposing favicons.JFIF to WebPConvert JFIF photos to WebP. JFIF is a JPEG variant | get up to 34% smaller files.PDF to WebPConvert the first page of a PDF document to a WebP image for thumbnails and previews.WebP Re-optimizeRe-compress an existing WebP file at a different quality level to fine-tune file size.WebP ResizerResize any image to custom dimensions and export as WebP. Aspect ratio lock included.PNG ResizerResize any image to exact pixel dimensions and export as lossless PNG. Aspect ratio lock included.JPG ResizerResize any image to exact pixel dimensions and export as JPG with adjustable quality. Universal format.HEIC ResizerResize iPhone HEIC and HEIF photos to custom dimensions and export as JPG. Works via WebAssembly, no upload.HEIC to WebPConvert iPhone HEIC photos to WebP. Works in Chrome and Firefox via WebAssembly.HEIC to PNGConvert iPhone HEIC photos to PNG for lossless, fully compatible output. Works via WebAssembly, no upload.HEIC to JPGConvert iPhone HEIC photos to JPG with adjustable quality. Universal format, works everywhere.HTML to PDFConvert HTML files to PDF in your browser. Drop any .html file for a private, instant, no-upload conversion.JPG to PDFConvert JPEG photos to PDF in your browser. Each image becomes a perfectly sized page.PNG to PDFConvert PNG images to PDF instantly. Preserves detail and supports transparent backgrounds.WebP to PDFConvert WebP images to PDF format for sharing, printing, or archiving.HEIC to PDFConvert iPhone HEIC photos directly to PDF. No cloud upload, works in Chrome and Firefox.BMP to PDFConvert uncompressed BMP files to PDF. Instantly shrink file size while preserving detail.TIFF to PDFConvert high-resolution TIFF images to PDF for easy sharing and printing.GIF to PDFConvert GIF images to PDF. Extracts the first frame for a clean static page.SVG to PDFRasterize SVG vector graphics to PDF. Choose your output dimensions for crisp results.AVIF to PDFConvert AVIF images to PDF for broader compatibility with document workflows.ICO to PDFExtract and convert ICO icon files to PDF. Useful for documenting icon sets.JFIF to PDFConvert JFIF photos to PDF. JFIF is a JPEG variant | full quality preserved in the output.Merge PDFCombine multiple PDF files into one document. Drag in any number of PDFs, set the order, and download.Split PDFSplit a PDF into individual pages or custom ranges. Download all parts as a ZIP file.Rotate PDFRotate all pages or specific pages in a PDF by 90°, 180°, or 270°. No upload needed.Protect PDFAdd a password to a PDF to prevent unauthorised access. Encryption applied entirely in-browser.Unlock PDFRemove the password from a PDF file. Enter the current password and download an unlocked copy.Watermark PDFStamp a custom text watermark on every page of a PDF. Choose position, opacity, and font size.PDF Page NumbersAdd page numbers to every page of a PDF. Choose position, format, and starting number.Crop PDFTrim margins from every page of a PDF by adjusting the CropBox. Enter values in points.Manage PDF PagesDrag to reorder pages and click to remove them. See all pages as thumbnails in one view.PDF to ImagesConvert every page of a PDF to a JPG, PNG, or WebP image. Download as a ZIP file.Sign PDFDraw or type your signature and embed it on any page of a PDF. Free, private, no upload.OCR PDFExtract text from scanned or image-based PDFs using OCR. Supports 6 languages.Edit PDFAdd text, shapes, highlights, and drawings to any PDF page. White-out to cover content.Compare PDFView two PDF files side by side, page by page. Spot differences between versions visually.QR Code GeneratorGenerate QR codes for URLs, text, WiFi, email, phone, and contacts. Download as PNG or SVG.QR Code ReaderUpload an image to decode any QR code instantly. No camera required | works with screenshots too.QR Code with LogoGenerate a QR code with your logo or image embedded in the centre. Download as PNG.Batch QR GeneratorPaste a list of URLs or text | generate hundreds of QR codes at once and download as a ZIP.vCard QR GeneratorGenerate a scannable QR code from your contact details — name, company, phone, email, address, and social links. Scan to save.Image CompressorCompress JPEG, PNG, and WebP images with a quality slider. See size savings before downloading.Image CropperCrop any image to a custom area or preset ratio | 1:1, 16:9, 4:3, and more. Export as PNG.Background RemoverRemove the background from any photo using AI | runs entirely in your browser, no upload needed.Favicon GeneratorUpload any image and download a complete favicon set: ICO, 16×16, 32×32, 48×48, 64×64, 128×128, 256×256 PNG.Flip & RotateFlip images horizontally or vertically and rotate by 90°, 180°, or 270°. Live preview, one-click download.Photo AdjustmentsAdjust brightness, contrast, saturation, hue, blur, and sharpness with live preview. Includes one-click presets.Image WatermarkAdd a custom text watermark to any image. Control position, size, opacity, color, and font. Tiled mode included.Image ResizerResize any image to exact pixel dimensions or a percentage scale. Aspect ratio lock and quick presets included.Rounded CornersAdd rounded corners to any image with a radius slider. Per-corner control available. Exports as PNG with transparency.Color PaletteExtract 8 dominant colors from any image. Copy as HEX, RGB, or HSL. Export a palette PNG swatch sheet.Add BorderAdd a solid, gradient, or blurred photo-style border to any image. Adjustable width and colors.Image CollageCombine 2 to 6 photos into a grid collage. Six layout options, custom gap, and background color.Grayscale & TintApply B&W, sepia, warm, cool, faded, or duotone effects with adjustable intensity and live preview.Social Media ResizerResize any image to exact social media dimensions | Instagram, Twitter, Facebook, LinkedIn, YouTube, and more.Add Image PaddingExpand the canvas of any image by adding padding on each side. Choose a solid color or transparent background.Image to Base64Encode any image to a Base64 string or data URI | and decode Base64 back to an image. Instant, no upload.Noise & GrainAdd film grain, luminance noise, or color noise to any image with adjustable intensity and live preview.Color PickerPick any color and instantly get its HEX, RGB, HSL, and CMYK values. Copy with one click.Gradient GeneratorBuild beautiful linear and radial CSS gradients visually. Add stops, adjust angles, and copy the CSS code.Contrast CheckerCheck the contrast ratio between two colors. Get instant WCAG AA and AAA pass/fail results for accessibility.Color Palette GeneratorGenerate complementary, analogous, triadic, and tetradic color schemes from any base color.Tint & Shade GeneratorGenerate a full scale of tints and shades from any base color | like Tailwind's 50–950 palette. Copy any swatch instantly.Color Blindness SimulatorPreview how any color looks to people with deuteranopia, protanopia, tritanopia, and achromatopsia.CSS Shadow GeneratorBuild box-shadow and text-shadow CSS rules visually with live preview. Copy the ready-to-use CSS instantly.Random Color GeneratorGenerate random colors and lock the ones you like to build a palette. Copy HEX, RGB, or HSL values instantly.Color ConverterConvert between HEX, RGB, HSL, HSB, and CMYK instantly. Edit any field and all others update in real time.Color MixerBlend two colors at any ratio with a gradient preview. Get the mixed HEX, RGB, and HSL values instantly.Color Name FinderEnter any color and find the nearest CSS named color. Covers all 148 W3C named colors with similarity scoring.Image Color PickerUpload any image and hover or click any pixel to extract its exact color as HEX, RGB, and HSL.Opacity CalculatorPreview any color at different opacities over light and dark backgrounds. Copy the rgba() CSS value instantly.Lorem Ipsum GeneratorGenerate classic lorem ipsum placeholder text with a paragraph count slider. Shuffled on every click, copy instantly.Text Case ConverterConvert text between UPPERCASE, lowercase, Title Case, sentence case, camelCase, snake_case, and kebab-case.Word CounterCount words, characters, sentences, and paragraphs. Get reading time, speaking time, and top keyword density.Plagiarism CheckerCheck your content for plagiarism and duplicate phrases. Get exact match and partial match scores with a downloadable PDF report.Fancy Text GeneratorConvert text into 19 Unicode font styles — bold, italic, script, fraktur, bubble, small caps, upside down, and more. Copy any style instantly.Bold Text GeneratorGenerate Unicode bold text that works in Instagram bios, Twitter, Discord, and anywhere plain text appears — no formatting tags needed.Italic Text GeneratorGenerate Unicode italic and cursive text for Instagram bios, Twitter posts, Discord nicknames, and more — paste anywhere, no markdown needed.Strikethrough Text GeneratorAdd Unicode strikethrough, underline, double strikethrough, or overline to any text. Works in Instagram, Twitter, Discord, WhatsApp, and more.Stylish Name GeneratorTurn any name into a stylish Unicode username for Instagram, Discord, TikTok, and gaming profiles. 19 font styles plus 16 decorative border templates.Free Fire Name GeneratorCreate stylish Garena Free Fire names with 19 Unicode font styles and 20 FF border templates — ꧁꧂ ༒ ☬ and more. Copy-paste ready.PUBG Name GeneratorGenerate stylish PUBG Mobile and BGMI usernames with 19 Unicode font styles and elite border templates. Find your unique player name instantly.Password GeneratorGenerate strong random passwords with custom length and character sets — uppercase, lowercase, numbers, and symbols. Strength indicator included.Hashtag GeneratorGenerate relevant hashtags from any topic or description. Includes curated hashtag banks for Fitness, Food, Travel, Tech, Gaming, and more.Reverse Text GeneratorReverse characters, words, or lines in any text. Great for puzzles, fun social media posts, and text manipulation tasks.Text RepeaterRepeat any text up to 50 times with custom separators — none, space, new line, comma, or your own custom delimiter.Random Name GeneratorGenerate random full names, usernames, fantasy names, and baby names. Filter by gender and generate up to 20 names at once.JSON FormatterPrettify, format, and minify JSON with one click. Validates your JSON and shows clear error messages for malformed input.Base64 Encoder / DecoderEncode plain text to Base64 or decode Base64 strings back to text. Live conversion as you type, with error handling for invalid input.URL Encoder / DecoderEncode special characters in URLs using encodeURIComponent or decode percent-encoded strings back to readable text. Instant, in-browser.UUID GeneratorGenerate cryptographically random UUID v4 identifiers. Create up to 20 at once, copy individually or all at once.Diff CheckerCompare two blocks of text and highlight added, removed, and unchanged lines. See a summary of exactly what changed between versions.Leet Speak GeneratorConvert text to leet speak (1337) at Basic, Medium, or Extreme substitution levels. Classic internet culture cipher for usernames and fun.Morse Code ConverterConvert text to Morse code or decode Morse back to text. Includes a Web Audio API player to listen to the beeps in real time.Emoji Text ConverterTransform your text into fun emoji styles — regional indicator flags, clap beat, sparkle wrap, and fire mode. Copy any variant instantly.ROT13 / Caesar CipherEncode or decode text with ROT13 or a custom Caesar cipher shift 1–25. Bidirectional — ROT13 is its own inverse.Markdown PreviewPaste Markdown and see a live rendered preview side by side. Supports headers, bold, italic, code blocks, lists, links, and blockquotes.HTML Encoder / DecoderEncode special characters to HTML entities (<, >, &) and decode them back. Essential for safely embedding HTML inside HTML.Regex TesterTest regular expressions against sample text with live match highlighting. See match count, captured groups, and character indices. Supports all JS regex flags.Number to WordsConvert any number up to one quadrillion into English words. Supports integers, decimals, negatives, and ordinal form. Great for cheques and legal documents.ASCII Art GeneratorConvert any text into ASCII art using classic block character rendering. Choose from multiple character sets and adjust output width. Copy-paste anywhere.Character Frequency CounterCount how often each character appears in your text. Sort by frequency or alphabet. Toggle case sensitivity and whitespace inclusion. Visual bar chart.Text to Slug ConverterConvert any text to a URL-friendly slug. Strips accents, punctuation, and special characters. Choose hyphens or underscores as separators.Readability Score CheckerAnalyse text readability with Flesch-Kincaid Grade Level, Reading Ease, Coleman-Liau, and Gunning Fog indices. Paste any text for an instant score.Syllable CounterCount syllables in any word or block of text. Shows total syllable count, syllable breakdown per word, and average syllables per word.Reading Time EstimatorEstimate how long it takes to read any text at slow, average, and fast reading speeds. Enter a word count or paste full text.Sentence CounterCount sentences in any text. Shows sentence count, average words per sentence, longest and shortest sentences, and paragraph count.Text to SpeechConvert text to speech using your browser's built-in voices. Choose voice, adjust speed and pitch. Free, works offline — no audio sent anywhere.CSV to JSON ConverterPaste CSV data and get a clean JSON array. Supports quoted fields, custom delimiters (comma, semicolon, tab), and optional header row mapping.JSON to CSV ConverterConvert a JSON array of objects to CSV. Auto-detects columns from all records, handles nested values gracefully, and copies output instantly.Crontab ExplainerPaste a cron expression and get a plain-English explanation of each field. Shows the next 5 scheduled run times with date and time.Unix Timestamp ConverterConvert Unix timestamps to human-readable dates and back. Shows UTC, local time, and ISO 8601 formats. Displays the current timestamp live.JWT DecoderDecode JWT tokens to inspect the header, payload, and claims as formatted JSON. Shows expiry status and algorithm. No signature verification needed.Length ConverterConvert between millimetres, centimetres, metres, kilometres, inches, feet, yards, miles, and nautical miles instantly. Type in any unit.Weight ConverterConvert between milligrams, grams, kilograms, metric tonnes, ounces, pounds, stone, and US short tons. Type in any unit, see all conversions.Temperature ConverterConvert between Celsius, Fahrenheit, Kelvin, and Rankine. Live update as you type in any field. Common reference temperatures shown.Speed ConverterConvert between m/s, km/h, mph, knots, ft/s, and Mach. Live update as you type in any unit. Common reference speeds shown.Area ConverterConvert area between mm², cm², m², km², in², ft², yd², acres, and hectares instantly. Type in any unit to update all others.Volume ConverterConvert volume between ml, litres, m³, cubic inches, cubic feet, US cups, fl oz, gallons, and pints. Live update, no conversion button.Pressure ConverterConvert pressure between Pascal, kPa, MPa, bar, psi, atm, and mmHg (Torr). Type in any unit and see all others update instantly.Energy ConverterConvert energy between joules, kilojoules, calories, kcal, watt-hours, kWh, BTU, and electron volts. Live update as you type.Data Storage ConverterConvert between bits, bytes, KB, MB, GB, TB, and PB (binary, base-2). See all conversions at once as you type any value.Time ConverterConvert time between milliseconds, seconds, minutes, hours, days, weeks, months, and years. Instant live update in any field.Angle ConverterConvert angles between degrees, radians, gradians, arcminutes, arcseconds, and full revolutions. Live update as you type.YAML ↔ JSON ConverterConvert between YAML and JSON in both directions. JSON to YAML is always complete; YAML to JSON handles standard config-file syntax.XML FormatterPaste XML and get it formatted with consistent indentation. Validates syntax and shows clear error messages for malformed markup.String Escape / UnescapeEscape or unescape strings for JavaScript, JSON, SQL, and regular expressions. Switch between modes instantly.Number Base ConverterConvert integers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). Live update in all fields.Hash GeneratorGenerate SHA-1, SHA-256, and SHA-512 cryptographic hashes from any text input. Runs in-browser using the Web Crypto API — nothing is sent to a server.URL ParserBreak down any URL into its components: protocol, hostname, port, pathname, query parameters, and fragment. Paste a URL for an instant breakdown.Color Code ConverterConvert colour codes between HEX, RGB, HSL, and CMYK instantly. Type in any format and all others update live. Includes a colour preview swatch.HTML MinifierMinify HTML by removing whitespace, comments, and redundant attributes. Shows original vs compressed size and the percentage reduction achieved.Markdown to HTML ConverterConvert Markdown to HTML and preview the rendered output side by side. Supports headings, bold, italic, lists, links, images, code blocks, and blockquotes.Percentage CalculatorCalculate X% of Y, find what percentage X is of Y, compute percentage change, and increase or decrease values by a percentage.Tip CalculatorEnter a bill amount, choose a tip percentage, and split by any number of people. Shows tip amount, total bill, and per-person cost.BMI CalculatorCalculate your Body Mass Index from height and weight. Supports metric and imperial units. Shows BMI category and healthy weight range.Compound Interest CalculatorCalculate how investments grow with compound interest. Choose compounding frequency, enter rate and time, and see year-by-year growth.Loan CalculatorCalculate monthly loan payments, total interest paid, and view an amortization breakdown for any loan amount, rate, and term.Age CalculatorCalculate your exact age in years, months, and days from your date of birth. Shows days until your next birthday and the day of the week you were born.Date Difference CalculatorCalculate the exact difference between two dates in days, weeks, months, and years. Useful for deadlines, durations, and event planning.Discount CalculatorCalculate the sale price after a percentage discount, or find what percentage discount was applied. Shows original price, discount amount, and final price.Sales Tax CalculatorAdd or remove sales tax from a price. Enter the pre-tax or post-tax amount and the tax rate to calculate the other value instantly.Calorie Calculator (BMR & TDEE)Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) using the Mifflin-St Jeor equation. Shows calorie targets for weight goals.Fuel Cost CalculatorCalculate the fuel cost of a road trip based on distance, vehicle fuel efficiency, and price per litre or gallon. Supports metric and imperial units.Hours CalculatorCalculate total hours worked between a start and end time. Subtract break time and see your hours in decimal and HH:MM format. Supports overnight shifts.Unit Price CalculatorCompare the price per unit across multiple items to find the best deal. Enter price and quantity for up to three products — instantly highlights the cheapest option.Electricity Cost CalculatorCalculate how much it costs to run any appliance. Enter wattage, daily usage hours, and your electricity rate to get hourly, daily, monthly, and annual costs.Salary CalculatorConvert between annual salary, monthly pay, weekly pay, and hourly wage. Accounts for working hours per week and weeks per year for accurate conversions.Margin CalculatorCalculate profit margin, gross profit, and markup from cost and revenue. Enter any two values to compute the third. Essential for pricing and business planning.ROI CalculatorCalculate the return on investment for any investment. Enter initial cost, final value, and time period to get total ROI and annualised return rate.Savings Goal CalculatorFind out how long it will take to reach a savings goal. Enter your target amount, current savings, monthly contribution, and interest rate.GPA CalculatorCalculate your weighted GPA by entering courses with letter grades and credit hours. Supports 4.0 scale. Add or remove courses dynamically.Grade CalculatorCalculate your current weighted grade, what score you need on the final exam to reach a target grade, and your overall course percentage.Speed, Distance & Time CalculatorSolve for speed, distance, or time given any two values. Supports km/h, mph, m/s, and knots. Instantly calculates the missing value.Paint CalculatorCalculate how many litres or gallons of paint you need for a room. Enter wall dimensions, number of coats, and coverage rate per litre.Concrete CalculatorCalculate the volume of concrete needed for slabs, footings, and columns. Shows cubic metres and cubic feet, and the number of standard bags required.Fraction CalculatorAdd, subtract, multiply, and divide fractions and mixed numbers. Shows the result as a simplified fraction and decimal. Step-by-step solution included.Quadratic Formula CalculatorSolve any quadratic equation ax² + bx + c = 0. Enter a, b, c to get real or complex roots, the discriminant, and the vertex of the parabola.Prime Factorization CalculatorFind the prime factorization of any number. Shows all prime factors, their exponents, all divisors, and whether the number is prime.LCM and GCD CalculatorCalculate the Least Common Multiple (LCM) and Greatest Common Divisor (GCD) of two or more numbers. Shows the prime factorization method.Scientific Notation ConverterConvert numbers between standard decimal form and scientific notation. Works with very large and very small numbers. Bidirectional conversion.Pythagorean Theorem CalculatorSolve right triangles using the Pythagorean theorem. Enter any two sides to find the third — hypotenuse, adjacent, or opposite. Shows full working.Roman Numeral ConverterConvert between Arabic numbers and Roman numerals. Supports numbers from 1 to 3,999. Bidirectional — enter either format.Fibonacci Sequence GeneratorGenerate the Fibonacci sequence up to a specified number of terms. Find the nth Fibonacci number and see the ratio convergence to the golden ratio.Fuel Efficiency ConverterConvert fuel efficiency between mpg (US), mpg (UK), km/L, and L/100km. Handles the inverse relationship between consumption and efficiency.Mortgage CalculatorCalculate monthly mortgage payments, total interest paid, and view an amortization schedule.Break-Even CalculatorFind the break-even point in units and revenue given fixed costs, variable costs, and selling price.VAT CalculatorAdd or remove VAT/GST from any price. Supports custom tax rates and common presets.Net Worth CalculatorCalculate your net worth by listing assets and liabilities. See a clear breakdown of where you stand.Investment CalculatorCalculate the future value of a lump sum or regular contributions with compound interest.Budget CalculatorTrack income and expenses across categories to see how much you save each month.Ideal Weight CalculatorCalculate ideal body weight using four medical formulas: Devine, Robinson, Miller, and Hamwi.Body Fat CalculatorEstimate body fat percentage using the US Navy method based on waist, neck, and height measurements.Heart Rate ZonesCalculate your 5 training heart rate zones based on your maximum heart rate or age.Water Intake CalculatorCalculate your recommended daily water intake based on weight, activity level, and climate.Macros CalculatorCalculate your daily protein, carbohydrate, and fat targets based on your TDEE and fitness goal.Pregnancy Due Date CalculatorCalculate your estimated due date from your last menstrual period or conception date.Calorie Burn CalculatorEstimate calories burned during 40+ types of exercise using MET (Metabolic Equivalent of Task) values.One Rep Max CalculatorEstimate your one-rep max (1RM) for any lift using Epley, Brzycki, and other validated formulas.Running Pace CalculatorCalculate your running pace, speed, or finish time for any distance. Convert between min/km and min/mile.Sleep CalculatorFind the best times to wake up or go to sleep based on 90-minute sleep cycles. Avoid waking mid-cycle.Protein Intake CalculatorCalculate your optimal daily protein intake based on body weight, activity level, and fitness goal.Debt Payoff CalculatorCalculate how long to pay off a debt and total interest paid. Compare avalanche vs snowball strategies.Inflation CalculatorCalculate the purchasing power of money over time using an annual inflation rate. See future or past equivalent values.Emergency Fund CalculatorCalculate how large your emergency fund should be and how long it will take to save based on your monthly expenses.Compound Interest CalculatorCalculate the power of compound interest. Choose compounding frequency: daily, monthly, quarterly, or annually.Tip & Split CalculatorCalculate the tip amount and split a restaurant bill between any number of people.Retirement CalculatorProject your retirement nest egg from current savings, monthly contributions, and expected return rate.Loan Comparison CalculatorCompare two loan offers side by side — monthly payment, total interest, and total cost for each.Currency ConverterConvert between 30+ major currencies using mid-market reference rates. Instant, no API, no signup.Dividend CalculatorCalculate annual dividend income from shares owned and dividend yield. Includes DRIP reinvestment projection.Payback Period CalculatorCalculate how many years it takes for an investment to pay back its initial cost from expected cash flows.NPV CalculatorCalculate the Net Present Value (NPV) and IRR of a series of future cash flows at any discount rate.VO2 Max CalculatorEstimate your VO2 max from a Cooper 12-minute run, Rockport walk test, or resting heart rate method.Waist-to-Hip Ratio CalculatorCalculate your waist-to-hip ratio and cardiovascular health risk using WHO classification guidelines.Lean Body Mass CalculatorCalculate your lean body mass using Boer, James, and Hume formulas. Shows fat mass and body fat percentage.Caloric Deficit CalculatorFind out how long it will take to reach your target weight based on a daily caloric deficit.Pregnancy Weight Gain CalculatorCalculate recommended pregnancy weight gain based on pre-pregnancy BMI using IOM 2009 guidelines.Menstrual Cycle CalculatorPredict your next period, ovulation date, and fertile window based on your average cycle length.Home Affordability CalculatorCalculate how much house you can afford based on income, debts, down payment, and the 28/36 DTI rule.Rent vs Buy CalculatorCompare the total cost of renting vs buying a home over any time horizon. Includes opportunity cost of the down payment.Tax Bracket CalculatorCalculate your 2024 US federal income tax using the official tax brackets. Shows effective rate, marginal rate, and bracket breakdown.After-Tax Salary CalculatorCalculate your US take-home pay after federal income tax and FICA (Social Security + Medicare). Shows annual, monthly, and hourly net pay.Rule of 72 CalculatorUse the Rule of 72 to estimate how long it takes to double your money at a given return rate — or what rate you need to double in a set number of years.Debt-to-Income Ratio CalculatorCalculate your front-end and back-end debt-to-income (DTI) ratios to see if you qualify for a mortgage or other loans.Sleep Debt CalculatorTrack how much sleep debt you've accumulated over the week by logging your actual vs target sleep hours each day.Keto Macro CalculatorCalculate your ketogenic diet macros — calories, net carbs, protein, and fat — based on your TDEE and the standard keto split.Alcohol Unit CalculatorCalculate alcohol units in any drink by volume and ABV. Track your weekly total and see how it compares to low-risk guidelines.1-Mile Run Fitness TestEstimate your VO2 max from your 1-mile run time using the George et al. (1993) validated formula. Shows fitness category by age and gender.Fiber Intake CalculatorCalculate your recommended daily fiber intake by age and gender. Shows how to meet your target with common high-fiber foods.Caffeine CalculatorCalculate your safe daily caffeine limit by body weight and find what time you should stop drinking coffee to sleep by a target bedtime.Recipe ScalerScale any recipe up or down by entering your original and target serving sizes. Handles fractions and converts between units.Cooking Unit ConverterConvert between all cooking measurements — teaspoons, tablespoons, cups, fluid ounces, millilitres, and litres. Also converts grams, ounces, and pounds.Baking Substitutions GuideFind substitutes for 30+ common baking ingredients — eggs, buttermilk, baking powder, butter, sugar, cream, and more. Searchable and instant.Oven Temperature ConverterConvert oven temperatures between Fahrenheit, Celsius, fan (convection) Celsius, and Gas Mark. Includes a full reference table for common baking temperatures.Yeast ConverterConvert between active dry yeast, instant (rapid-rise) yeast, and fresh yeast. Enter any amount in any form to get all three equivalents instantly.Butter ConverterConvert butter between sticks, cups, tablespoons, ounces, and grams. Essential for adapting US recipes to metric measurements.Meat Temperature GuideUSDA-recommended safe internal cooking temperatures for all meats — beef, chicken, pork, fish, lamb, and more. Includes rare to well-done guide for beef.Coffee Ratio CalculatorCalculate the perfect coffee-to-water ratio for 8 brew methods — espresso, pour over, French press, AeroPress, cold brew, drip, Moka pot, and Turkish.