Tool directory
One catalog. Less hunting.
Search every utility or browse the complete collection.Age CalculatorNewCalculate an exact age and the time until the next birthday.Date CalculatorNewAdd or subtract calendar years, months, weeks, and days.Date Difference CalculatorNewFind the exact calendar difference between two dates.Time CalculatorNewAdd, subtract, or compare durations beyond 24 hours.BMI CalculatorNewEstimate adult body mass index using metric or imperial units.Percentage CalculatorNewSolve common percentage, change, and adjustment questions.Compound Interest CalculatorNewEstimate compound growth with optional recurring contributions.Simple Interest CalculatorNewCalculate simple interest for a principal, rate, and duration.Loan CalculatorNewEstimate payments and total interest for an amortizing loan.EMI CalculatorNewEstimate an equated monthly instalment and total payable.Mortgage CalculatorNewEstimate a home loan payment with optional ownership costs.Investment CalculatorNewProject investment value from contributions and an estimated return.Car Loan CalculatorNewEstimate vehicle financing after down payment, trade-in, and fees.Amortization CalculatorNewCalculate a payment and inspect its principal and interest schedule.Calorie CalculatorNewEstimate adult BMR and daily maintenance calories.Discount CalculatorNewFind sale price, discount amount, and percentage saved.Profit Margin CalculatorNewCalculate profit, gross margin, and markup from cost and revenue.Markup CalculatorNewConvert a cost and markup percentage into a selling price and margin.Savings CalculatorNewProject savings from a starting balance, monthly deposits, and interest.Savings Goal CalculatorNewEstimate a monthly contribution or time needed to reach a savings goal.Retirement CalculatorNewProject retirement savings without jurisdiction-specific pension assumptions.Debt Payoff CalculatorNewEstimate payoff time, interest, and savings from extra payments.Credit Card Payoff CalculatorNewEstimate how long a card balance may take to repay.Fuel Cost CalculatorNewEstimate fuel required and trip cost in metric or imperial units.Pace CalculatorNewCalculate running pace and speed from distance and elapsed time.Body Fat CalculatorNewEstimate body fat percentage using the U.S. Navy circumference method.Ideal Weight CalculatorNewCompare four recognized height-based reference-weight formulas.Water Intake CalculatorNewEstimate daily water intake from body weight and activity.Due Date CalculatorNewEstimate a pregnancy due date from LMP or conception date.Pregnancy CalculatorNewEstimate gestational age, due date, and trimester.Square Footage CalculatorNewCalculate room or rectangular area in square feet and meters.Concrete CalculatorNewEstimate rectangular slab volume with an optional waste allowance.Paint CalculatorNewEstimate paintable wall area and paint required for multiple coats.Fraction CalculatorNewAdd, subtract, multiply, divide, and simplify fractions.Average CalculatorNewFind count, sum, mean, median, minimum, and maximum.Merge PDFArrange and combine PDF files into one document.JPG to PDFTurn JPG images into an ordered PDF document.Compress ImageMake images lighter for sharing and the web.Split PDFExtract selected pages or split every page into its own PDF.Organize PDFReorder, rotate, and remove PDF pages before export.PDF to JPGNewRender selected PDF pages as high-quality JPG images.PDF to PNGNewRender selected PDF pages as lossless PNG images.Rotate PDFRotate all or selected PDF pages by 90, 180, or 270 degrees.Remove PDF PagesRemove selected pages while keeping a valid PDF document.Extract PDF PagesCreate one new PDF from selected pages and ranges.Add Page Numbers to PDFAdd customizable page numbers to the footer of every PDF page.Resize ImageResize images precisely while preserving aspect ratio.JPG to PNGConvert JPG images to PNG locally in your browser.PNG to JPGConvert PNG images to compact JPG with a chosen background.JPG to WebPConvert JPG images to modern WebP format.WebP to JPGConvert WebP images to widely compatible JPG.Image to TextNewExtract readable text from screenshots and photos.Media InfoNewInspect video and audio metadata locally without uploading your file.QR GeneratorCreate a downloadable QR code for a link or text.JSON FormatterFormat, validate, and minify JSON in your browser.Base64 EncoderEncode Unicode text as Base64 locally.Base64 DecoderDecode Base64 into readable Unicode text.URL EncoderSafely encode text for use in URL components.URL DecoderDecode percent-encoded URL components.JWT DecoderInspect JWT headers and payloads without claiming validity.Hash GeneratorGenerate SHA-256, SHA-384 or SHA-512 hashes with Web Crypto.Timestamp ConverterConvert Unix seconds or milliseconds into UTC and local dates.Word CounterCount words, sentences, paragraphs and reading time.Character CounterCount characters and characters without spaces.Text Case ConverterConvert text between common writing and developer case styles.JSON ValidatorValidate, format and inspect JSON locally.Password GeneratorCreate passwords using cryptographically secure browser randomness.CSV to JSONConvert standards-compliant CSV into structured JSON locally.JSON to CSVConvert an array of flat JSON objects into correctly escaped CSV.Invoice GeneratorNewCreate a professional browser-local invoice and downloadable PDF.Quotation GeneratorNewCreate a professional quotation PDF without storing customer data.Signature GeneratorNewType or draw a transparent signature image locally.UUID GeneratorGenerate unique identifiers for apps and test data.