Free Online Tools & Utilities

Free bill splitter calculator. Enter the total bill, tip percentage, and number of people to find out exactly how much each person owes.

Free birthday calculator. Enter your birth date to find your exact age in years, months, and days, plus a countdown to your next birthday.

Free BMI calculator. Enter your height and weight in metric or imperial units to get your Body Mass Index and see which BMI category you fall into.

Free date calculator. Enter any two dates to get the exact number of days, weeks, months, and years between them. Results update instantly.

Free percentage calculator. Find what percent one number is of another, calculate percentage increase or decrease, and work out percentage of a total.

Free rounding calculator. Round any number to the nearest whole number, tenth, hundredth, or custom decimal place. Instant results shown.

Free tip calculator. Enter your bill total and choose a tip percentage to instantly see the tip amount and grand total per person or for the group.

Free wedding anniversary calculator. Enter your wedding date to see how long you've been married and which traditional anniversary year you're celebrating.

Free hex to HSL converter. Enter a hex color code and instantly get the hue, saturation, and lightness values with a live color preview.

Free hex to RGB converter. Enter a hex color code and instantly get the red, green, and blue values with a live color preview.

Free HSL to hex converter. Enter hue, saturation, and lightness values and instantly get the hex color code with a live preview.

Free HSL to RGB converter. Enter hue, saturation, and lightness values and instantly get the red, green, and blue values with a live color preview.

Free RGB to hex converter. Enter red, green, and blue values (0–255) and instantly get the hex color code with a live preview.

Free RGB to HSL converter. Enter red, green, and blue values and instantly get the hue, saturation, and lightness with a live color preview.

Free online acres to hectares converter. Instantly convert ac to ha with formula and conversion table.

Convert atm to bar instantly. Free online pressure converter with formula and conversion table.

Convert atm to kPa instantly. Free online pressure converter with formula and conversion table.

Convert atm to psi instantly. Free online pressure converter with formula and conversion table.

Convert bar to atm instantly. Free online pressure converter with formula and conversion table.

Convert bar to kPa instantly. Free online pressure converter with formula and conversion table.

Convert bar to psi instantly. Free online pressure converter with formula and conversion table.

Free online binary to decimal converter. Instantly convert binary numbers to decimal with step-by-step explanation and conversion table.

Free binary to text converter. Paste any binary code and instantly decode it to readable ASCII text, with support for spaces between binary groups.

Free online bytes to kilobytes converter. Instantly convert B to KB with formula and conversion table.

Free online bytes to megabytes converter. Instantly convert B to MB with formula and conversion table.

Free Celsius to Fahrenheit converter. Type any value for an instant result with the formula, plus a full Celsius/Fahrenheit conversion table.

Convert Celsius to Kelvin instantly. Free online temperature converter with formula and conversion table.

Free centimeters to inches converter. Type any cm value for an instant result, plus the conversion formula and a full cm/inch reference table.

Convert centimeters to meters instantly. Free online length converter for everyday metric measurements.

Free online centimeters to millimeters converter. Instantly convert cm to mm with formula and conversion table.

Free online cups to ml converter. Instantly convert cups to milliliters with formula and conversion table for cooking and baking.

Free online cups to pints converter. Instantly convert cups to pt with formula and conversion table.

Free online cups to tablespoons converter. Instantly convert cups to tbsp with formula and conversion table for cooking.

Free online cups to teaspoons converter. Instantly convert cups to tsp with formula and conversion table.

Convert days to hours instantly. Free online time converter for project planning, deadlines, and scheduling.

Free online days to months converter. Instantly convert days to months with formula and conversion table.

Convert days to weeks instantly. Free online time converter for project planning, scheduling, and timelines.

Convert days to years instantly. Free online time converter for age calculations and project timelines.

Free online decimal to binary converter. Instantly convert decimal numbers to binary with step-by-step explanation and conversion table.

Free online decimal to hexadecimal converter. Instantly convert decimal numbers to hex with examples and conversion table.

Free Fahrenheit to Celsius converter. Enter any temperature for an instant result with the conversion formula and a full reference table.

Convert Fahrenheit to Kelvin instantly. Free online temperature converter with formula and conversion table.

Convert feet to inches instantly. Free online length converter — useful for height, construction, and measurements.

Free feet to meters converter. Type any measurement in feet to get the exact meter equivalent, with the formula and a full feet/meters conversion table.

Free feet to miles converter. Enter any value in feet to get the exact miles equivalent, with the conversion formula and a handy reference table.

Free online feet to yards converter. Instantly convert ft to yd with formula and conversion table.

Free gallons to liters converter. Type any volume in US gallons to get the exact liters equivalent, with the formula and a full conversion table.

Free online gallons to quarts converter. Instantly convert gal to qt with formula and conversion table.

Convert gigabytes to megabytes instantly. Free online data storage converter for file sizes, memory, and storage capacity.

Convert gigabytes to terabytes instantly. Free online data storage converter for hard drives, SSDs, and storage planning.

Convert grams to kilograms instantly. Free online weight converter for cooking, nutrition, and metric measurements.

Free grams to ounces converter. Enter any weight in grams for an instant ounces result, plus the formula and a full grams/oz conversion table.

Free online hectares to acres converter. Instantly convert ha to ac with formula and conversion table.

Free online hexadecimal to decimal converter. Instantly convert hex numbers to decimal with examples and conversion table.

Convert hours to days instantly. Free online time converter for project planning, travel durations, and scheduling.

Free hours to minutes converter. Enter any number of hours for an instant minutes result, plus the formula and a full hours/minutes conversion table.

Free online hours to seconds converter. Instantly convert h to s with formula and conversion table.

Convert horsepower (hp) to kilowatts (kW) instantly. Free online power converter with formula and conversion table.

Free inches to centimeters converter. Enter any inch value to get the exact cm equivalent, plus the formula and a full inch/cm conversion table.

Free inches to feet converter. Enter any value in inches to get the exact feet and inches equivalent, plus the formula and a full conversion table.

Free online inches to millimeters converter. Instantly convert in to mm with formula and conversion table.

Free online kilobytes to bytes converter. Instantly convert KB to B with formula and conversion table.

Convert kilobytes to megabytes instantly. Free online data storage converter for file sizes and storage capacity.

Convert Kelvin to Celsius instantly. Free online temperature converter with formula and conversion table.

Convert Kelvin to Fahrenheit instantly. Free online temperature converter with formula and conversion table.

Convert kilograms to grams instantly. Free online weight converter for cooking, baking, and everyday metric measurements.

Free online kg to stone converter. Instantly convert kilograms to stone with formula and conversion table.

Free kilograms to pounds converter. Enter any kg value for an instant lb result, plus the exact formula and a full kg/lbs conversion table.

Convert kilometers to meters instantly. Free online distance converter — useful for running, maps, and metric measurements.

Free kilometers to miles converter. Enter any km value for an instant miles result, plus the conversion formula and a full km/miles reference table.

Convert kPa to atm instantly. Free online pressure converter with formula and conversion table.

Convert kPa to bar instantly. Free online pressure converter with formula and conversion table.

Convert kPa to mmHg instantly. Free online pressure converter with formula and conversion table.

Convert kPa to psi instantly. Free online pressure converter with formula and conversion table.

Free kph to mph converter. Type any speed in km/h to get the exact mph equivalent, with the conversion formula and a full kph/mph reference table.

Convert kilowatts (kW) to horsepower (hp) instantly. Free online power converter with formula and conversion table.

Convert kilowatts (kW) to watts (W) instantly. Free online power converter with formula and conversion table.

Convert kilowatt-hours (kWh) to watt-hours (Wh) instantly. Free online energy converter with formula and conversion table.

Convert pounds to ounces instantly. Free online weight converter for cooking, shipping, and everyday measurements.

Free online pounds to stone converter. Instantly convert lbs to stone with formula and conversion table.

Free liters to gallons converter. Enter any volume in liters for an instant US gallons result, plus the formula and a full liters/gallons conversion table.

Convert liters to milliliters instantly. Free online volume converter for cooking, beverages, and metric measurements.

Free online liters to pints converter. Instantly convert L to pt with formula and conversion table.

Free online liters to quarts converter. Instantly convert L to qt with formula and conversion table.

Free online megabytes to bytes converter. Instantly convert MB to B with formula and conversion table.

Convert megabytes to gigabytes instantly. Free online data storage converter for file sizes, memory, and storage capacity.

Convert megabytes to kilobytes instantly. Free online data storage converter for file sizes and storage capacity.

Convert meters to centimeters instantly. Free online length converter for everyday metric measurements.

Free meters to feet converter. Enter any value in meters for an instant feet result, plus the conversion formula and a full meters/feet reference table.

Convert meters to kilometers instantly. Free online distance converter — useful for running distances, maps, and metric measurements.

Free online meters to yards converter. Instantly convert m to yd with formula and conversion table.

Free miles to feet converter. Type any distance in miles for an instant feet result, plus the conversion formula and a full miles/feet reference table.

Free miles to kilometers converter. Type any distance in miles to get the exact km equivalent, with the formula and a full miles/km conversion table.

Free minutes to hours converter. Type any number of minutes to get the exact hours and decimal hours equivalent, plus a full minutes/hours reference table.

Convert minutes to seconds instantly. Free online time converter for video durations, sports timing, and calculations.

Free online ml to cups converter. Instantly convert milliliters to cups with formula and conversion table for cooking and baking.

Convert milliliters to liters instantly. Free online volume converter for cooking, beverages, and metric measurements.

Convert milliliters to fluid ounces instantly. Free online volume converter for recipes, beverages, and cooking.

Free online ml to tablespoons converter. Instantly convert milliliters to tbsp with formula and conversion table.

Free online ml to teaspoons converter. Instantly convert milliliters to tsp with formula and conversion table.

Free online millimeters to centimeters converter. Instantly convert mm to cm with formula and conversion table.

Free online millimeters to inches converter. Instantly convert mm to in with formula and conversion table.

Convert mmHg to kPa instantly. Free online pressure converter with formula and conversion table.

Free online months to days converter. Instantly convert months to days with formula and conversion table.

Free online months to weeks converter. Instantly convert months to weeks with formula and conversion table.

Free mph to kph converter. Enter any speed in miles per hour for an instant km/h result, plus the formula and a full mph/kph conversion table.

Free ounces to grams converter. Type any weight in oz for an instant grams result, with the conversion formula and a full ounces/grams reference table.

Convert ounces to pounds instantly. Free online weight converter for cooking, shipping, and everyday measurements.

Convert fluid ounces to milliliters instantly. Free online volume converter for recipes, beverages, and cooking.

Free online pints to cups converter. Instantly convert pt to cups with formula and conversion table.

Free online pints to liters converter. Instantly convert pt to L with formula and conversion table.

Free pixels to inches converter. Enter a pixel value and your screen DPI to get the exact inch equivalent. Includes a full px/inch conversion table.

Free pounds to kilograms converter. Type any weight in lbs to get the exact kg equivalent, with the formula and a full lbs/kg conversion table.

Convert psi to atm instantly. Free online pressure converter with formula and conversion table.

Convert psi to bar instantly. Free online pressure converter with formula and conversion table.

Convert psi to kPa instantly. Free online pressure converter with formula and conversion table.

Free online quarts to gallons converter. Instantly convert qt to gal with formula and conversion table.

Free online quarts to liters converter. Instantly convert qt to L with formula and conversion table.

Free online seconds to hours converter. Instantly convert s to h with formula and conversion table.

Convert seconds to minutes instantly. Free online time converter for video durations, sports timing, and scheduling.

Free online square feet to square meters converter. Instantly convert ft² to m² with formula and conversion table.

Free online square kilometers to square miles converter. Instantly convert km² to mi² with formula and conversion table.

Free online square meters to square feet converter. Instantly convert m² to ft² with formula and conversion table.

Free online square miles to square kilometers converter. Instantly convert mi² to km² with formula and conversion table.

Free online stone to kg converter. Instantly convert stone to kilograms with formula and conversion table.

Free online stone to pounds converter. Instantly convert stone to lbs with formula and conversion table.

Free online tablespoons to cups converter. Instantly convert tbsp to cups with formula and conversion table for cooking.

Free online tablespoons to ml converter. Instantly convert tbsp to milliliters with formula and conversion table.

Free online tablespoons to teaspoons converter. Instantly convert tbsp to tsp with formula and conversion table.

Convert terabytes to gigabytes instantly. Free online data storage converter for hard drives, SSDs, and storage planning.

Free online teaspoons to tablespoons converter. Instantly convert tsp to tbsp with formula and conversion table.

Free text to binary converter. Type or paste any text and instantly encode it to binary code. Each character is shown as its 8-bit binary value.

Free online teaspoons to cups converter. Instantly convert tsp to cups with formula and conversion table.

Free online teaspoons to ml converter. Instantly convert tsp to milliliters with formula and conversion table.

Convert watts (W) to kilowatts (kW) instantly. Free online power converter with formula and conversion table.

Convert weeks to days instantly. Free online time converter for project planning, scheduling, and deadlines.

Free online weeks to months converter. Instantly convert weeks to months with formula and conversion table.

Convert watt-hours (Wh) to kilowatt-hours (kWh) instantly. Free online energy converter with formula and conversion table.

Free online yards to feet converter. Instantly convert yd to ft with formula and conversion table.

Free online yards to meters converter. Instantly convert yd to m with formula and conversion table.

Convert years to days instantly. Free online time converter for age calculations, project timelines, and planning.

Free list randomizer. Paste a list of items and instantly shuffle them into a random order. Useful for raffles, task assignment, and decision making.

Free random name picker. Paste a list of names and draw one at random. Great for classroom picks, team selections, giveaways, and group decisions.

Free breadcrumb schema generator (JSON-LD). Create BreadcrumbList structured data from your breadcrumb items and copy it into your site.

Free FAQ schema generator (JSON-LD). Build valid FAQPage structured data from your questions and answers and copy it into your site.

Free hreflang tag generator. Create hreflang link tags for multilingual and multi-region pages (including x-default) to help search engines serve the right version.

Free robots meta tag generator. Create a robots meta tag (index/noindex, follow/nofollow, nosnippet, noarchive and more) and copy the HTML.

Free robots.txt generator. Create a robots.txt file with allow/disallow rules, crawl-delay, and sitemap URL — then copy or download it.

Free UTM builder. Create campaign URLs with utm_source, utm_medium, utm_campaign, utm_term, and utm_content — then copy the final tracking link.

Free alphabetical list sorter. Paste any list and sort it A to Z or Z to A instantly. Supports duplicate removal and case-insensitive sorting.

Free email address generator. Enter a first and last name to get a list of common email address formats used by businesses and personal accounts.

Free reading time calculator. Paste your article or text to get an estimated reading time based on average adult reading speed, plus word count.

Free case converter. Paste any text and convert it to uppercase, lowercase, title case, sentence case, or camelCase with a single click.

Free character counter. Paste any text to instantly count characters with and without spaces, plus word count and line count shown in real time.

Free remove line breaks tool. Paste text to remove newlines, collapse whitespace, and keep paragraphs if needed — perfect for forms, CMS editors, and SEO copy.

Free reverse text tool. Type or paste any text and instantly get it reversed character by character, word by word, or line by line.

Free slug generator for SEO-friendly URLs. Convert any text into a clean URL slug with options like lowercase, separator, stop words, and max length.

Free token counter for AI models. Paste your text to see the estimated token count for GPT and Claude, so you can stay within context limits.

Free word counter. Paste any text to count words, characters, sentences, and paragraphs, and get an estimated reading time. Updates as you type.