# UtilityPorts

> 110 free online utility tools — financial calculators, developer utilities, health tools, unit converters, and text processors. No signup, no tracking, no cost.

UtilityPorts is a free, privacy-first platform of online utility tools. All tools run instantly in any browser with no account required. Input data is processed server-side and immediately discarded — nothing is stored or shared.

## Tools

### Developer Tools

- [JSON Formatter](https://utilityports.com/json-formatter): Format, beautify, and validate JSON instantly online. Free JSON formatter with syntax highlighting, error detection, and copy support. No login required.
- [JSON Minifier](https://utilityports.com/json-minifier): Minify and compress JSON online for free. Remove whitespace and reduce file size instantly. Perfect for production payloads and APIs.
- [Base64 Encoder](https://utilityports.com/base64-encoder): Encode or decode Base64 strings instantly online. Free Base64 encoder/decoder tool — no upload, no login. Works entirely in your browser.
- [URL Encoder](https://utilityports.com/url-encoder): Encode or decode URLs and query strings online for free. Percent-encode special characters or decode URL-encoded strings instantly.
- [JWT Decoder](https://utilityports.com/jwt-decoder): Decode and inspect JWT tokens online for free. View header, payload, and signature sections instantly. No verification secrets needed.
- [Unix Timestamp](https://utilityports.com/unix-timestamp): Convert Unix timestamps to human-readable dates and vice versa. Free online timestamp converter supporting seconds, milliseconds, and UTC/local time.
- [UUID Generator](https://utilityports.com/uuid-generator): Generate random UUID v1 and v4 identifiers online for free. Create single or bulk UUIDs instantly. Validate existing UUIDs too.
- [Hash Generator](https://utilityports.com/hash-generator): Generate MD5, SHA1, SHA256, and SHA512 hashes from any text online. Free cryptographic hash generator tool — instant, private, no upload.
- [CSV → JSON](https://utilityports.com/csv-to-json): Convert CSV data to JSON online for free. Paste any CSV with headers and get a clean JSON array instantly. No login, no upload required.
- [JSON → CSV](https://utilityports.com/json-to-csv): Convert JSON arrays to CSV format online for free. Flatten nested objects and download as CSV instantly. No login, no signup needed.
- [XML → JSON](https://utilityports.com/xml-to-json): Convert XML to JSON online for free. Paste any XML and get a clean, formatted JSON object instantly. No login or upload required.
- [JSON → XML](https://utilityports.com/json-to-xml): Convert JSON to XML online for free. Paste any JSON object and get a well-formed XML document instantly. No login or upload required.
- [HTML Entity](https://utilityports.com/html-entity): Encode or decode HTML entities online for free. Convert special characters like <, >, &, and " to their HTML entity equivalents and back.
- [Regex Tester](https://utilityports.com/regex-tester): Test and debug regular expressions online for free. See all matches highlighted, capture groups listed, and flags explained. JavaScript regex engine.
- [Color Converter](https://utilityports.com/color-converter): Convert colours between HEX, RGB, HSL, and CMYK instantly. Free online colour picker and converter with palette generator. No signup required.
- [Text Diff](https://utilityports.com/text-diff): Compare two texts or code snippets side by side and see added, removed, and unchanged lines highlighted. Free online text diff tool.
- [Visitor Info Checker](https://utilityports.com/visitor-info-checker): Check your IP address, device type, operating system, browser, language and timezone instantly. Free visitor information tool — no data stored.
- [Binary to Decimal](https://utilityports.com/binary-to-decimal): Convert binary numbers to decimal instantly. Free online binary to decimal converter with hex and octal output. Fast and accurate.
- [Decimal to Binary](https://utilityports.com/decimal-to-binary): Convert decimal numbers to binary instantly. Free online decimal to binary converter with hex and octal output. Fast and accurate.
- [Hex to Decimal](https://utilityports.com/hex-to-decimal): Convert hexadecimal numbers to decimal instantly. Free online hex to decimal converter with binary and octal output. Fast and accurate.
- [SQL Formatter](https://utilityports.com/sql-formatter): Format and beautify SQL queries online for free. Supports MySQL, PostgreSQL, SQLite, T-SQL, BigQuery, and more. Instant SQL pretty printer — no login required.
- [CSS Minifier](https://utilityports.com/css-minifier): Minify and compress CSS code online for free. Reduce CSS file size instantly. Also supports CSS formatting and beautifying. No upload, no login needed.
- [Markdown → HTML](https://utilityports.com/markdown-to-html): Convert Markdown to HTML online for free. Instantly preview rendered HTML from any Markdown source. Supports GitHub Flavored Markdown (GFM). No login needed.
- [QR Code Generator](https://utilityports.com/qr-code-generator): Generate QR codes online for free. Create QR codes for URLs, text, phone numbers, and more. Download as PNG instantly with no login required.
- [YAML Formatter](https://utilityports.com/yaml-formatter): Format, validate, and convert YAML online for free. Beautify YAML syntax, check for errors, and convert YAML to JSON or JSON to YAML instantly.
- [JavaScript Minifier](https://utilityports.com/javascript-minifier): Minify and compress JavaScript online for free. Reduce JS file size by removing whitespace, comments, and unused code using Terser. No upload required.
- [SMTP Tester](https://utilityports.com/smtp-tester): Test your SMTP server configuration by sending a real email. Enter host, port, credentials, and recipient to verify your mail server works correctly. Free, instant, no signup.
- [Cron Parser](https://utilityports.com/cron-parser): Parse and explain any cron expression in plain English. Field-by-field breakdown of minute, hour, day, month, and weekday.
- [SVG to PNG](https://utilityports.com/svg-to-png): Convert SVG files to PNG images instantly in your browser. No upload, no server, client-side conversion with custom dimensions.
- [HTML Minifier](https://utilityports.com/html-minifier): Minify and compress HTML instantly. Remove comments, collapse whitespace, and reduce page size for faster load times.
- [GraphQL Formatter](https://utilityports.com/graphql-formatter): Format and beautify GraphQL queries, mutations, and fragments online. Instantly indent and clean up your GraphQL syntax.
- [Regex Helper](https://utilityports.com/regex-helper): Test regular expressions and get plain-English explanations for every token. Free online regex helper with match highlighting.

### Calculator Tools

- [Percentage Calculator](https://utilityports.com/percentage-calculator): Calculate percentages instantly online for free. Find what % of a number, percentage increase/decrease, or convert fractions to percentages. Fast and accurate.
- [Discount Calculator](https://utilityports.com/discount-calculator): Calculate discount prices and savings instantly. Enter original price and discount percentage to see final price and amount saved. Perfect for shopping!
- [Tip Calculator](https://utilityports.com/tip-calculator): Calculate tips and split bills easily. Enter bill amount, tip percentage, and number of people to see tip amount and per-person cost instantly.
- [BMI Calculator](https://utilityports.com/bmi-calculator): Calculate your BMI (Body Mass Index) instantly. Enter height and weight to see your BMI, category (underweight, normal, overweight), and health recommendations.
- [Loan Calculator](https://utilityports.com/loan-calculator): Calculate loan payments, total interest, and amortization schedule. Enter loan amount, interest rate, and term to see monthly payment and total cost.
- [Mortgage Calculator](https://utilityports.com/mortgage-calculator): Calculate mortgage payments including principal, interest, taxes, and insurance. See amortization schedule and total cost of your home loan.
- [Compound Interest Calculator](https://utilityports.com/compound-interest-calculator): Calculate compound interest growth on investments and savings. See how your money grows over time with compound interest and regular contributions.
- [Profit Margin Calculator](https://utilityports.com/profit-margin-calculator): Calculate profit margin, markup, and revenue. Enter cost and selling price to see gross profit, profit margin percentage, and markup percentage.
- [Probability Calculator](https://utilityports.com/probability-calculator): Calculate probability, odds, and event outcomes instantly. Free online probability calculator with step-by-step explanations and formulas.
- [Sales Tax Calculator](https://utilityports.com/sales-tax-calculator): Calculate sales tax and final total instantly. Enter subtotal and tax rate to get tax amount and total payable in seconds.
- [VAT Calculator](https://utilityports.com/vat-calculator): Add VAT to net prices or extract VAT from gross prices instantly. Free online VAT calculator for businesses and freelancers.
- [Commission Calculator](https://utilityports.com/commission-calculator): Calculate sales commission and total pay instantly. Enter sales amount, commission rate, and optional base pay.
- [Break-even Calculator](https://utilityports.com/break-even-calculator): Find your break-even point in units and revenue. Enter fixed costs, selling price, and variable cost per unit.
- [Savings Goal Calculator](https://utilityports.com/savings-goal-calculator): Calculate how long it takes to reach a savings goal using current balance, monthly contributions, and expected return.
- [Retirement Calculator](https://utilityports.com/retirement-calculator): Project retirement savings with contributions and expected returns. Estimate portfolio value and possible retirement income.
- [ROI Calculator](https://utilityports.com/roi-calculator): Calculate return on investment (ROI) instantly. Free ROI calculator with net profit, annualized ROI, and profit/loss breakdown. No signup needed.
- [Net Worth Calculator](https://utilityports.com/net-worth-calculator): Calculate your net worth online for free. Add your assets and liabilities to instantly see your total net worth and debt-to-asset ratio.
- [DTI Calculator](https://utilityports.com/debt-to-income-calculator): Calculate your debt-to-income ratio (DTI) online for free. Check if your DTI qualifies for a mortgage or loan. Includes rating and lender guidelines.
- [Payroll Tax Calculator](https://utilityports.com/payroll-tax-calculator): Calculate US federal payroll taxes, FICA, and net take-home pay. Free 2024 payroll tax calculator for single and married filers with state tax support.
- [Rental Property Calculator](https://utilityports.com/rental-property-calculator): Calculate rental property cash flow, cap rate, cash-on-cash return, and ROI. Free rental investment analyzer for buy-and-hold real estate investors.
- [Depreciation Calculator](https://utilityports.com/depreciation-calculator): Calculate asset depreciation using straight-line, double declining balance, or sum-of-years-digits methods. Free depreciation calculator with annual schedule.
- [Stock Profit Calculator](https://utilityports.com/stock-profit-calculator): Calculate stock profit and loss including fees and capital gains tax. Free stock trade calculator showing net profit, ROI, and after-tax returns.
- [Credit Card Payoff](https://utilityports.com/credit-card-payoff): Calculate exactly when you'll pay off your credit card debt. See total interest paid, payoff date, and how much you save vs minimum payments.
- [Rent vs Buy](https://utilityports.com/rent-vs-buy): Compare the true cost of renting vs buying a home. Factor in mortgage, property taxes, appreciation, and opportunity cost to find the better financial choice.
- [Auto Loan Calculator](https://utilityports.com/auto-loan-calculator): Calculate your monthly car payment, total interest, and loan cost. Enter vehicle price, down payment, APR, and term to see your full auto loan breakdown.
- [Calorie Calculator](https://utilityports.com/calorie-calculator): Calculate your TDEE (Total Daily Energy Expenditure) and daily calorie needs for weight loss, maintenance, or gain. Based on the Mifflin-St Jeor equation.
- [Body Fat Calculator](https://utilityports.com/body-fat-calculator): Calculate your body fat percentage using the US Navy circumference method. Get fat mass, lean mass, and fitness category for men and women.
- [Crypto Profit Calculator](https://utilityports.com/crypto-profit-calculator): Calculate cryptocurrency profit or loss instantly. Enter buy price, sell price, and quantity to see net profit, ROI, and after-tax returns for Bitcoin, Ethereum, and more.
- [Inflation Calculator](https://utilityports.com/inflation-calculator): Calculate the inflation-adjusted value of money from 1913 to 2024 using historical US CPI data. See how purchasing power has changed over time.

### Text Tools

- [Word Counter](https://utilityports.com/word-counter): Count words, characters, sentences, and paragraphs instantly. Free online word counter with detailed text statistics and reading time estimates.
- [Character Counter](https://utilityports.com/character-counter): Count characters with and without spaces. Free online character counter for text analysis, social media posts, and SEO optimization.
- [Text Case Converter](https://utilityports.com/text-case-converter): Convert text case instantly. Free tool to change between uppercase, lowercase, title case, and sentence case. Fast text transformation.
- [Title Case Converter](https://utilityports.com/title-case-converter): Convert text to title case instantly. Free tool capitalizes first letters of words. Perfect for headings and titles. Fast conversion.
- [Random Text Generator](https://utilityports.com/random-text-generator): Generate random text instantly. Free random word and sentence generator tool for testing, placeholder content, and more. Easy to use.
- [Lorem Ipsum Generator](https://utilityports.com/lorem-ipsum-generator): Generate Lorem Ipsum placeholder text instantly. Free Lorem Ipsum generator with custom paragraph and word counts. Fast generation.
- [Keyword Density Checker](https://utilityports.com/keyword-density-checker): Check keyword density in your text instantly. Free SEO tool analyzes word frequency and density percentages. Optimize your content.
- [Text to Slug](https://utilityports.com/text-to-slug): Convert text to URL-friendly slugs instantly. Free slug generator creates clean URLs from titles. Perfect for SEO and web development.
- [Remove Line Breaks](https://utilityports.com/remove-line-breaks): Remove line breaks from text instantly. Free tool deletes all newlines and joins text into one line. Fast text formatting.
- [Text Diff Checker](https://utilityports.com/text-diff-checker): Compare two texts and find differences instantly. Free text diff checker highlights changes between documents. Side-by-side comparison.
- [Random String Generator](https://utilityports.com/random-string-generator): Generate random strings with custom length and character sets. Free random string generator for testing and development.
- [Password Generator](https://utilityports.com/password-generator): Generate secure random passwords instantly. Free password generator with custom length and character options. Strong password creation.
- [Password Strength Checker](https://utilityports.com/secure-password-checker): Check password strength and security. Free password strength checker with detailed security analysis.

### Finance Tools

- [Life Insurance Calculator](https://utilityports.com/life-insurance-calculator): Calculate how much life insurance you need using the DIME method (Debt, Income, Mortgage, Education). Free life insurance needs calculator.
- [Student Loan Calculator](https://utilityports.com/student-loan-calculator): Calculate your student loan monthly payment, total interest, and payoff date. See how extra payments can save you thousands. Free student loan calculator.
- [401k Calculator](https://utilityports.com/401k-calculator): Project your 401k balance at retirement. Account for contributions, employer match, market returns, and salary increases. Free 401k retirement calculator.
- [Take-Home Pay Calculator](https://utilityports.com/take-home-pay-calculator): Calculate your US take-home pay after federal taxes, state taxes, Social Security, and Medicare. Free net paycheck calculator for 2024.
- [Roth IRA Calculator](https://utilityports.com/roth-ira-calculator): Project your Roth IRA balance at retirement. Check income eligibility, contribution limits, and tax-free growth. Free Roth IRA calculator for 2024.
- [Home Equity Calculator](https://utilityports.com/home-equity-calculator): Calculate your home equity, loan-to-value ratio, and how much you can borrow with a HELOC or home equity loan. Free home equity calculator.
- [Mortgage Refinance Calculator](https://utilityports.com/mortgage-refinance-calculator): Calculate whether refinancing your mortgage makes sense. Find your break-even point, monthly savings, and lifetime interest savings. Free refinance calculator.
- [Debt Payoff Calculator](https://utilityports.com/debt-payoff-calculator): Calculate how fast you can pay off debt using the avalanche (highest-rate first) or snowball (lowest-balance first) method. See total interest and payoff timeline.
- [Personal Loan Calculator](https://utilityports.com/personal-loan-calculator): Calculate monthly payments, total interest, and full cost of a personal loan. Compare rates and terms with our free personal loan payment calculator.
- [Home Affordability Calculator](https://utilityports.com/home-affordability-calculator): Find out how much house you can afford based on your income, debts, and down payment. Calculate max home price, monthly payment, and DTI ratio.
- [Tax Bracket Calculator](https://utilityports.com/tax-bracket-calculator): Calculate your 2024 federal income tax by bracket, marginal rate, effective rate, and after-tax income. Free US federal tax bracket calculator.
- [FIRE Calculator](https://utilityports.com/fire-calculator): Calculate your FIRE number, years to financial independence, and retirement savings target. Free Financial Independence Retire Early calculator.
- [Social Security Calculator](https://utilityports.com/social-security-calculator): Estimate your Social Security benefits at ages 62, 67, and 70. See how claiming age affects your monthly check and lifetime benefits.
- [CD Rate Calculator](https://utilityports.com/cd-rate-calculator): Calculate interest earned and maturity value for a Certificate of Deposit (CD). Compare daily, monthly, quarterly, and annual compounding.
- [Net Salary Calculator](https://utilityports.com/net-salary-calculator): Calculate your net take-home salary after tax, national insurance, pension, and other deductions. Free online net pay calculator.
- [Salary Increase Calculator](https://utilityports.com/salary-increase-calculator): Calculate your new salary after a pay raise. See the exact increase amount and multi-year compounding projection.
- [Pension Calculator](https://utilityports.com/pension-contribution-calculator): Calculate your projected pension pot at retirement based on salary, contribution rates, and investment growth. Free pension calculator.
- [COLA Calculator](https://utilityports.com/cola-calculator): Calculate your salary after a cost of living adjustment. See real purchasing power impact versus inflation. Free COLA calculator.
- [Invoice Generator](https://utilityports.com/invoice-generator): Create professional invoices online for free. Add line items, tax, discount, and print or download. No signup required.

### Health Tools

- [Due Date Calculator](https://utilityports.com/pregnancy-due-date-calculator): Calculate your pregnancy due date from your last menstrual period (LMP). Get trimester dates, weeks pregnant, and key milestones. Free pregnancy calculator.
- [Macros Calculator](https://utilityports.com/macros-calculator): Calculate your daily macros (protein, fat, carbs) based on your body stats, activity level, and fitness goal. Free macronutrient calculator.
- [Ideal Body Weight Calculator](https://utilityports.com/ideal-body-weight-calculator): Calculate your ideal body weight using four medical formulas: Devine, Hamwi, Robinson, and Miller. Free ideal weight calculator by height and gender.
- [Ovulation Calculator](https://utilityports.com/ovulation-calculator): Calculate your ovulation date, fertile window, and next period date based on your last menstrual period and cycle length.
- [Sleep Calculator](https://utilityports.com/sleep-calculator): Calculate the best times to wake up or go to sleep based on 90-minute sleep cycles. Wake up feeling refreshed by timing your sleep properly.
- [One Rep Max Calculator](https://utilityports.com/one-rep-max-calculator): Calculate your one-rep max (1RM) using 6 formulas: Epley, Brzycki, Lombardi, Mayhew, O'Connor, and Wathan. Includes training percentage table.
- [TDEE Calculator](https://utilityports.com/tdee-calculator): Calculate your TDEE and calorie targets for weight loss, maintenance, or gain. Free TDEE calculator using Mifflin-St Jeor formula.
- [Water Intake Calculator](https://utilityports.com/water-intake-calculator): Calculate your recommended daily water intake based on weight, activity level, and climate. Free hydration calculator.
- [Pregnancy Calculator](https://utilityports.com/pregnancy-calculator): Calculate your pregnancy due date, gestational age, trimesters, and key milestones from LMP or conception date.
- [Vaccine Schedule](https://utilityports.com/vaccine-schedule): Check your child's vaccination schedule by date of birth. See upcoming, due, and overdue vaccines based on UK/US guidance.
- [Allergy Calculator](https://utilityports.com/allergy-calculator): Estimate allergy risk based on family history and look up cross-reactive allergens. Free educational allergy risk tool.

### Converters Tools

- [Temperature Converter](https://utilityports.com/temperature-converter): Convert temperatures between Celsius, Fahrenheit, Kelvin, Rankine, and Reaumur instantly. Free online temperature converter.
- [Speed Converter](https://utilityports.com/speed-converter): Convert speed between mph, km/h, m/s, knots, ft/s, and Mach. Free online speed unit converter.
- [Pressure Converter](https://utilityports.com/pressure-converter): Convert pressure between PSI, bar, Pascal, kPa, MPa, atm, Torr, and inHg. Free online pressure unit converter.
- [Volume Converter](https://utilityports.com/volume-converter): Convert volume between litres, gallons, millilitres, cups, pints, quarts, cubic metres, and more.
- [Font Size Converter](https://utilityports.com/font-size-converter): Convert font sizes between px, rem, em, pt, vw, and % instantly. Free CSS font size converter for web developers.
- [Fuel Consumption Converter](https://utilityports.com/fuel-consumption-converter): Convert fuel consumption between L/100km, km/L, US mpg, UK mpg, and km/gallon. Free online fuel economy converter.

## Pages

- [Home](https://utilityports.com/): Browse all 110 tools
- [About](https://utilityports.com/about): About UtilityPorts
- [Privacy Policy](https://utilityports.com/privacy): Privacy Policy
- [Terms of Service](https://utilityports.com/terms): Terms of Service
- [Contact](https://utilityports.com/contact): Contact Us
- [Sitemap](https://utilityports.com/sitemap.xml): XML Sitemap