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417 free tools

Calculators, converters, generators, text tools, study helpers and more. Everything runs in your browser. No sign-up.

Screen Time CalculatorFeatured tool

Focus TimerFeatured tool

Bedtime CalculatorFeatured tool

Phone Addiction QuizFeatured tool

30-Day Push-Up ChallengeFeatured tool

Habit TrackerFeatured tool

Exam PlannerFeatured tool

Website Cost CalculatorFeatured tool

Business Name GeneratorFeatured tool

QR Code MakerFeatured tool

Percent CalculatorWork out X% of a number, what percent one number is of another, and percent change.

Percentage Change CalculatorFind the percent increase or decrease between two numbers.

Percent of What CalculatorX is P% of what number? Work backwards from a percent.

Fraction to Decimal & PercentTurn a fraction into a decimal and a percent.

Decimal to FractionTurn any decimal into the simplest fraction.

Fraction SimplifierReduce a fraction to its lowest terms.

Fraction CalculatorAdd, subtract, multiply and divide fractions.

Ratio SimplifierSimplify a ratio and see it as parts and percents.

GCF & LCM CalculatorFind the greatest common factor and least common multiple of a list of numbers.

Prime Number CheckerCheck if a number is prime and list its factors.

Prime FactorizationBreak a number down into its prime factors.

Square Root & Cube Root CalculatorFind square roots, cube roots and any nth root.

Exponent CalculatorRaise a number to any power, including negative and decimal powers.

Scientific Notation ConverterConvert numbers to and from scientific notation.

Rounding CalculatorRound a number to any decimal place or to the nearest 10, 100 or 1000.

Average Calculator (Mean, Median, Mode)Paste a list of numbers to get the mean, median, mode and range.

Standard Deviation CalculatorFind the standard deviation and variance of a data set.

Quadratic Equation SolverSolve ax² + bx + c = 0, with real or complex roots.

Linear Equation SolverSolve ax + b = c for x, with the steps shown.

2×2 System of Equations SolverSolve two equations with two unknowns (x and y).

Pythagorean Theorem CalculatorFind the missing side of a right triangle.

Triangle Area CalculatorFind a triangle’s area from base and height, or from all three sides.

Circle CalculatorGet area, circumference and diameter from a radius.

Area & Perimeter CalculatorArea and perimeter of rectangles, squares, parallelograms and trapezoids.

Volume CalculatorVolume and surface area of cubes, boxes, cylinders, spheres and cones.

Slope, Distance & MidpointFind the slope, distance and midpoint between two points.

Binary, Hex & Decimal ConverterConvert numbers between binary, octal, decimal and hexadecimal.

Roman Numeral ConverterConvert numbers to Roman numerals and back.

Multiplication Table GeneratorPrint a times table for any number.

Factorial CalculatorWork out n! (n factorial), even for big numbers.

Permutations & CombinationsnPr and nCr: how many ways to arrange or choose items.

Long Division CalculatorDivide with a remainder, and see the decimal answer.

Number FactsEverything about a number: even/odd, factors, square, prime and more.

Fibonacci Sequence GeneratorList the first n numbers of the Fibonacci sequence.

Arithmetic & Geometric SequencesFind the nth term and sum of a sequence.

Logarithm CalculatorLogarithms in base 10, base e, base 2 or any base.

Modulo CalculatorFind the remainder of a division (a mod n).

Significant Figures CalculatorCount significant figures and round to any number of them.

Proportion SolverSolve a/b = c/x for the missing number (cross-multiplication).

Triangle Angle CalculatorFind the third angle of a triangle and what type it is.

Random Number GeneratorPick random numbers in any range, with or without repeats.

Percent to FractionTurn a percent into a simplified fraction and a decimal.

Squares & Cubes TableA table of squares, cubes and roots for a range of numbers.

Degrees ⇄ RadiansConvert angles between degrees, radians and gradians.

Sin, Cos & Tan CalculatorFind sine, cosine and tangent of an angle.

Tip CalculatorWork out the tip and split the bill between friends.

Discount CalculatorFind the sale price after a percent off, with tax.

Canada Sales Tax Calculator (GST/PST/HST)Add or remove GST, PST and HST for any province.

Simple Interest CalculatorInterest that’s only paid on the starting amount.

Compound Interest CalculatorSee how savings grow with compound interest and monthly deposits.

Loan Payment CalculatorMonthly payment and total interest for a loan or car loan.

Mortgage CalculatorEstimate a mortgage payment (Canadian semi-annual compounding).

Savings Goal CalculatorHow long to reach a goal, or how much to save each week.

Hourly Wage to SalaryTurn an hourly wage into weekly, monthly and yearly pay.

Salary to Hourly WageTurn a yearly salary into an hourly rate.

50/30/20 Budget PlannerSplit your income into needs, wants and savings.

Unit Price ComparisonWhich pack is the better deal? Compare price per unit.

Profit Margin CalculatorMargin, markup and profit from cost and selling price.

Break-Even CalculatorHow many sales until a business covers its costs?

Fuel Cost CalculatorHow much gas a trip will cost.

Subscription Cost CalculatorAdd up your monthly subscriptions and see the yearly total.

Commission CalculatorWork out sales commission and total pay.

Cost per Hour of FunIs that game worth it? Price divided by hours played.

Allowance SaverSee what saving part of your allowance adds up to.

Split Expenses Between FriendsWho owes who after a trip or a group buy.

Rule of 72 (Doubling Time)How long until your money doubles at a given return.

Credit Card Payoff CalculatorHow long to pay off a card, and how much interest it costs.

Length ConverterConvert between metres, feet, inches, miles, km and more.

Kilometres to MilesConvert km to miles and miles to km.

Centimetres to InchesConvert cm to inches and back.

Feet to MetresConvert feet to metres and back.

Weight ConverterConvert kg, pounds, ounces, grams, stone and tonnes.

Kilograms to PoundsConvert kg to lb and lb to kg.

Grams to OuncesConvert grams to ounces for recipes and shipping.

Volume ConverterConvert litres, mL, cups, gallons, pints and more.

Cooking Measurement ConverterCups, tablespoons, teaspoons and mL for recipes.

Area ConverterConvert square feet, square metres, acres, hectares and more.

Acres to HectaresConvert acres to hectares and back.

Speed ConverterConvert km/h, mph, m/s, knots and Mach.

mph to km/hConvert miles per hour to km/h and back.

Time Unit ConverterConvert seconds, minutes, hours, days, weeks and years.

Data Storage ConverterConvert bytes, KB, MB, GB and TB (and KiB/MiB/GiB).

Internet Speed Converter (Mbps ⇄ MB/s)Convert Mbps to MB/s and other data rates.

Pressure ConverterConvert psi, kPa, bar, atm and mmHg.

Energy ConverterConvert joules, calories, kWh, BTU and more.

Power Converter (Watts ⇄ Horsepower)Convert watts, kilowatts and horsepower.

Frequency ConverterConvert Hz, kHz, MHz, GHz and rpm.

Force ConverterConvert newtons, pound-force and kilogram-force.

Torque ConverterConvert N·m, lb·ft and lb·in.

Temperature ConverterConvert Celsius, Fahrenheit and Kelvin.

Celsius to FahrenheitConvert °C to °F with the formula shown.

Fahrenheit to CelsiusConvert °F to °C with the formula shown.

Fuel Economy Converter (L/100km ⇄ mpg)Convert L/100 km to miles per gallon and back.

Height Converter (ft/in ⇄ cm)Convert height between feet and inches and centimetres.

Shoe Size ConverterConvert shoe sizes between US/Canada, UK and EU.

Running Pace ConverterConvert min/km, min/mile and km/h for runs.

Pixels to cm / Inches (DPI)Convert pixels to print size at a given DPI.

Number to WordsWrite any number out in English words (good for cheques).

Time Zone ConverterConvert a time between cities and time zones.

BMI CalculatorBody mass index for adults, in metric or imperial.

Water Intake CalculatorHow much water to drink each day.

Calories Burned CalculatorEstimate calories burned for common activities.

BMR & Daily CaloriesEstimate the calories your body needs each day.

Heart Rate ZonesYour training heart-rate zones by age.

Sleep Debt CalculatorHow much sleep you’re missing this week.

Steps to DistanceTurn steps into km and calories.

Screen Time Over a LifetimeSee what your daily screen time adds up to.

Protein Intake CalculatorHow much protein you need a day.

Pregnancy Due Date CalculatorEstimate a baby’s due date from the last period.

Age CalculatorYour exact age in years, months, days, and more.

Days Between DatesCount days, weeks and months between two dates.

Add or Subtract Days From a DateWhat date is it 30, 90 or 100 days from now?

Countdown to a DateHow many days until an event, like summer or a birthday.

What Day of the Week?Find the weekday for any date in history or the future.

Time Duration CalculatorHours and minutes between two times (even past midnight).

Add Up Hours & MinutesAdd a list of times like 1:45, 2:30 (great for timesheets).

Unix Timestamp ConverterConvert Unix timestamps to dates and back.

Week Number CalculatorWhat week of the year is it?

Sleep Cycle Wake-Up TimesFall asleep now, wake between cycles so you feel less groggy.

Pomodoro PlannerPlan study time in 25-minute focus blocks.

Reading Time CalculatorHow long it takes to read (or say) a piece of text.

Birthday FactsFun facts about the day you were born.

Business Days CalculatorCount working days between dates, skipping weekends and BC holidays.

Leap Year CheckerIs a year a leap year? See the next ones too.

Time Until (Live Countdown)A countdown to a date and time, down to the second.

Word CounterCount words, characters, sentences and paragraphs.

Character Counter (for posts)Count characters and see if you fit X, Instagram, TikTok and SMS limits.

Case ConverterChange text to UPPERCASE, lowercase, Title Case and more.

Remove Line BreaksJoin lines into one paragraph or remove extra spaces.

Text ReverserReverse text, words or each word.

Sort LinesSort lines A–Z, Z–A, by length, or shuffle them.

Remove Duplicate LinesDelete repeated lines from a list.

Find and ReplaceFind words in text and replace them.

Word Frequency CounterSee which words you use the most.

URL Slug GeneratorTurn a title into a clean URL slug.

Text to BinaryConvert text to binary code and back.

Morse Code TranslatorTranslate text to Morse code and back.

Caesar CipherEncode or decode secret messages by shifting letters.

ROT13 EncoderHide spoilers and puzzle answers with ROT13.

Palindrome CheckerDoes it read the same backwards?

Anagram CheckerAre two words or phrases anagrams of each other?

Vowel & Consonant CounterCount vowels, consonants, digits and spaces.

Lorem Ipsum GeneratorPlaceholder text for designs and websites.

Fancy Text GeneratorTurn text into 𝗯𝗼𝗹𝗱, 𝘪𝘵𝘢𝘭𝘪𝘤, 𝓈𝒸𝓇𝒾𝓅𝓉 and more for bios.

Text RepeaterRepeat a word or line many times.

Word ScramblerShuffle the letters of each word (for puzzles and worksheets).

Acronym MakerTurn a phrase into an acronym.

Email & Link ExtractorPull every email address and link out of a block of text.

Text Compare (Diff)Compare two texts line by line and see what changed.

Remove Emojis & SymbolsStrip emojis, or keep only letters and numbers.

Hashtag GeneratorTurn keywords into hashtags for posts.

Readability ScoreHow easy is your writing to read? (Flesch score and grade level).

Text to SpeechHave your browser read text out loud.

JSON Formatter & ValidatorPretty-print, minify and check JSON for errors.

Base64 Encode / DecodeEncode text to Base64 or decode it back.

URL Encode / DecodeEncode or decode text for use in URLs.

Password GeneratorMake strong random passwords on your device.

Passphrase GeneratorEasy-to-remember passwords made of random words.

Random Name PickerPick a random name from a list (for teams, turns, giveaways).

Random Team GeneratorSplit a list of people into fair random teams.

Dice RollerRoll any number of dice with any number of sides.

Coin FlipFlip a coin (or many coins).

Yes or No DeciderCan’t decide? Let fate answer.

Random Color GeneratorRandom colours with HEX, RGB and HSL codes.

Color Palette GeneratorMatching colour schemes from one base colour.

Username GeneratorCool gamer tags and usernames.

Random Word GeneratorRandom words for games, drawing and writing prompts.

Writing Prompt GeneratorStory ideas to beat writer’s block.

Would You RatherRandom “would you rather” questions for friends.

Truth or Dare (Kid-Friendly)Clean truth or dare questions for parties.

Test Data GeneratorFake names, emails and addresses for testing websites.

UUID GeneratorGenerate random UUIDs (v4).

Lottery Number PickerRandom picks for Lotto 6/49 or Lotto Max (just for fun).

Meta Tag GeneratorMake SEO and social-share meta tags for a web page.

HEX ⇄ RGB Color ConverterConvert colour codes between HEX, RGB and HSL.

Color Contrast CheckerCheck text/background contrast for accessibility (WCAG).

CSS Gradient GeneratorMake a CSS gradient and copy the code.

CSS Box Shadow GeneratorDesign a box-shadow and copy the CSS.

HTML Escape / UnescapeTurn < > & " into HTML entities and back.

Regex TesterTest a regular expression and see every match.

Password Strength CheckerSee how strong a password is. Checked on your device only.

IP Subnet CalculatorNetwork, broadcast and host range for an IPv4 address and prefix.

Aspect Ratio CalculatorResize images and videos without stretching them.

Grade Calculator (Weighted)Work out your overall mark from weighted assignments and tests.

Final Exam Grade CalculatorWhat do I need on the final to get the grade I want?

GPA CalculatorTurn letter grades into a GPA (4.0 or 4.33 scale).

Test Score to PercentTurn a test score like 34/40 into a percent and letter grade.

Study Schedule MakerSpread your topics over the days before a test.

Times Tables Practice SheetMake a random multiplication practice sheet with answers.

Math Worksheet GeneratorPrintable +, −, ×, ÷ practice with an answer key.

Flashcard MakerType questions and answers, then quiz yourself.

Essay Outline GeneratorA five-paragraph essay outline from your topic and points.

Citation Generator (MLA & APA)Make MLA 9 and APA 7 citations for websites.

Periodic Table LookupLook up any element by name, symbol or number.

Molar Mass CalculatorMolar mass of a chemical formula like H2SO4 or Ca(OH)2.

Ohm’s Law CalculatorFind voltage, current, resistance or power from any two.

Speed, Distance & TimeFind speed, distance or time from the other two.

Density CalculatorDensity, mass or volume, and whether it floats in water.

Kinetic & Potential EnergyEnergy of moving objects and objects up high.

Your Weight on Other PlanetsWhat you’d weigh on the Moon, Mars, Jupiter and more.

Half-Life CalculatorHow much of a radioactive substance is left after some time.

Space Distance ConverterLight-years, km, astronomical units and travel times.

Punnett SquarePredict offspring traits from two parents’ genes.

Scientific CalculatorType any expression, like 2^10 + sqrt(81) * sin(30).

Paint CalculatorHow many litres or cans of paint a room needs.

Flooring & Tile CalculatorHow much flooring or tile to buy, with waste.

Electricity Cost CalculatorWhat a device costs to run per day, month and year.

Recipe ScalerScale a recipe up or down for more or fewer people.

Turkey & Roast Cooking TimeRoughly how long to roast meat by weight.

Moving Box EstimatorHow many boxes you need to move house.

Chore WheelFairly split chores between people (re-shuffle any time).

Grocery Budget CalculatorEstimate a weekly grocery budget for your household.

Travel Carbon FootprintCO₂ from a trip by car, bus, train or plane.

Dog Age in Human YearsHow old is your dog in human years (by size)?

Cat Age in Human YearsConvert your cat’s age to human years.

Friendship Compatibility (Just for Fun)A silly score for two names. Totally random fun!

Magic 8 BallAsk a yes/no question and shake the ball.

Fortune CookieCrack open a random fortune.

Emoji Story GeneratorGet 5 random emojis and tell a story with them.

Bingo Card GeneratorRandom printable bingo cards (B-I-N-G-O).

Spin the WheelA spinning wheel for picking a random option.

Rock Paper Scissors (Quick)One quick round against the computer.

Nickname GeneratorFun nicknames from your name.

Pizza Party CalculatorHow many pizzas to order for a party.

Party Food & Drink CalculatorSnacks, drinks and ice for a party.

Batting Average CalculatorBatting average, on-base and slugging percentage.

Basketball Shooting StatsField goal %, 3-point %, free throw % and true shooting.

Hockey Stats CalculatorPoints, points per game and save percentage.

League Table PointsPoints, goal difference and win % for a team.

One-Rep Max CalculatorEstimate your 1-rep max from a set of reps.

Race Time PredictorPredict your time for other distances from a recent race.

Vertical Jump CalculatorJump height from hang time, or from reach heights.

Golf Handicap (Simple)Rough handicap from your recent rounds.

Swimming Pace CalculatorPace per 100 m and total time.

Cycling Speed & CaloriesAverage speed and calories for a ride.

Tournament Bracket MakerSeed players into a single-elimination bracket.

Round Robin ScheduleEveryone plays everyone once. Makes the full schedule.

Simple ScoreboardA big tap-to-score board for two teams.

Z-Score CalculatorHow far a value is from the mean, in standard deviations.

Probability CalculatorChances of A and B, A or B, and not A.

Dice Probability CalculatorChances of rolling a total with several dice.

Matrix Determinant & Inverse (2×2, 3×3)Determinant and inverse of a 2×2 or 3×3 matrix.

Percent Error CalculatorHow far your measurement was from the real value.

Weighted Average CalculatorAverage values that count for different amounts.

Prime Numbers ListList every prime number up to a limit.

Divisibility CheckerIs a number divisible by 2 to 12? With the rules explained.

Sum of Numbers 1 to nSum of 1..n, squares, cubes, evens and odds.

Regular Polygon CalculatorAngles, area and perimeter of a regular polygon.

Arc Length & Sector AreaArc length, sector area and chord of a circle slice.

Decimal, Fraction & Percent ConverterConvert between decimals, fractions and percents.

Markup & Price Increase CalculatorSet a selling price from cost and markup %.

Overtime Pay CalculatorRegular and overtime pay for a week (BC rules).

BC Paycheque EstimatorRough take-home pay after tax, CPP and EI (BC).

Rent Affordability CalculatorHow much rent you can afford (the 30% rule).

Future Value of Money (Inflation)What today’s money will be worth later, with inflation.

Stock Return CalculatorProfit, percent return and yearly return on a stock.

Cash Counter (Canadian)Count bills and coins quickly.

Chores Pay CalculatorWork out pocket money from chores done.

Body Fat Calculator (US Navy method)Estimate body fat % from tape measurements (adults).

Caffeine CalculatorAdd up today’s caffeine and compare it with safe limits.

Sugar in DrinksSee how many teaspoons of sugar are in your drinks.

Walking & Biking TimeHow long it takes to walk, run or bike a distance.

Class Average & Grade SpreadAverage, highest, lowest and grade counts for a list of marks.

Attendance PercentageYour attendance % and how many more days you can miss.

Spelling Test MakerHear each word read aloud, then type it to practise.

24-Hour Time ConverterConvert between 24-hour (military) time and 12-hour time.

Weekly Timesheet CalculatorAdd up start/end times for each day and total pay.

Age Difference CalculatorThe exact age gap between two people.

How Old Will I Be In…Your age in any future (or past) year.

CSV to JSON ConverterTurn CSV (spreadsheet) data into JSON, and back.

Markdown PreviewWrite Markdown and see it formatted.

Character & Unicode LookupSee the Unicode code point and HTML code for any character or emoji.

Emoji Favicon MakerTurn any emoji into a website favicon (copy the HTML).

Text to HTML ListTurn lines of text into an HTML list or table.

Pig Latin TranslatorTranslate English into Pig Latin.

Emoji TranslatorSprinkle emojis into your text.

Secret Code MakerMake a secret substitution-cipher message with a key word.

Random SuperpowerGet a random superpower (with a funny catch).

What Should I Eat?Can’t decide what to eat? Let it pick.

Countdown TimerA simple countdown timer with an alarm.

Stopwatch with LapsA stopwatch with lap times.

Mean, Median, Mode & RangeGet the mean, median, mode and range of a list of numbers.

Distance Between Two PointsFind the distance between two points on a graph.

Midpoint CalculatorFind the midpoint between two points.

Collatz Sequence (3n + 1)Watch any number fall to 1 with the famous 3n + 1 rule.

Pascal’s TrianglePrint rows of Pascal’s triangle.

Binomial ProbabilityChance of exactly k successes in n tries.

Expected Value CalculatorIs a bet or game worth it on average?

Quartiles & Interquartile RangeQuartiles, IQR and outliers for a data set (box plot numbers).

Perfect Square & Cube CheckerIs a number a perfect square or cube? See the nearest ones.

Golden Ratio CalculatorSplit a length by the golden ratio (1.618…).

Percentile RankWhat percentile is a score within a list of scores?

LCM & GCD of a ListLowest common multiple and greatest common divisor of many numbers.

Inflation CalculatorWhat will money be worth after years of inflation?

Currency Exchange CalculatorConvert money using any exchange rate, including the bank’s fee.

Car Loan CalculatorMonthly car payments with down payment, trade-in and tax.

Net Worth CalculatorWhat you own minus what you owe.

Emergency Fund CalculatorHow much to save for emergencies, and how long it takes.

Cost Per UseIs the expensive one actually cheaper per use?

Stacked Discount Calculator25% off, then another 10% off: what’s the real discount?

Daily Habit CostWhat a daily coffee, snack or drink costs you over time.

ROI CalculatorReturn on investment, total and per year.

Stock Average CostAverage price per share after buying at different prices.

Dividend Yield CalculatorDividend yield and yearly income from a stock.

52-Week Savings ChallengeSave $1 in week 1, $2 in week 2… see the plan.

Part-Time Job EarningsWhat a part-time job pays per week, month and summer.

Price Before TaxWork out the price before tax from a total that includes it.

Wind Chill CalculatorHow cold it feels with the wind (Environment Canada formula).

Humidex CalculatorHow hot it feels with humidity (Canadian humidex).

Dew Point CalculatorDew point from temperature and humidity.

Lightning DistanceCount the seconds from flash to thunder to know how far the storm is.

Projectile MotionRange, height and flight time of a launched object.

Momentum CalculatorMomentum p = m × v, plus kinetic energy.

Gravitational Potential EnergyPE = m × g × h.

Free Fall CalculatorTime to fall and impact speed from a height.

Acceleration CalculatorAcceleration from start speed, end speed and time.

Work & Power CalculatorWork = force × distance. Power = work ÷ time.

Wave Speed CalculatorWave speed = frequency × wavelength.

Ideal Gas Law (PV = nRT)Solve for pressure from moles, temperature and volume.

Dilution Calculator (C₁V₁ = C₂V₂)How much stock solution you need to make a weaker one.

pH CalculatorpH, pOH and ion concentrations.

Resistor Colour CodeRead a 4-band resistor’s value from its colours.

Resistors in Series & ParallelTotal resistance of resistors in series or parallel.

Escape VelocitySpeed needed to escape a planet’s gravity.

Your Age on Other PlanetsHow old you’d be in years on each planet.

Speed of SoundSpeed of sound in air at any temperature.

Percent CompositionPercent by mass of each element in a compound.

Box Breathing GuideA calm, guided 4-4-4-4 breathing exercise.

20-20-20 Eye Break TimerEvery 20 minutes, look 20 feet away for 20 seconds.

Plank TimerTime your plank, track your best, and get a goal.

HIIT / Tabata TimerInterval timer for work and rest rounds.

Meditation TimerA quiet timer with a soft bell at the start and end.

Step Goal PlannerHow long and far your daily step goal really is.

Screen Time BudgetPlan your daily screen time across apps.

Push-Up Progress PlanA 6-week plan from your current max to your goal.

Protein in Common FoodsHit a protein target with everyday foods.

Add Line NumbersNumber every line of your text.

Upside Down TextFlip your text upside down (ʇxǝʇ uʍop ǝpısdn).

Mirror TextWrite text backwards like in a mirror.

Strikethrough & Underline TextS̶t̶r̶i̶k̶e̶ or u̲n̲d̲e̲r̲l̲i̲n̲e̲ text you can paste anywhere.

Glitch (Zalgo) TextMake spooky glitchy t̷̢e̴͙x̸̠t̵͓.

Syllable CounterCount syllables in words and lines (great for poems).

Haiku CheckerCheck that your haiku follows the 5-7-5 pattern.

Sentence & Paragraph CounterCount sentences, paragraphs and average sentence length.

Remove Extra SpacesClean up double spaces, tabs and blank lines.

Extract Numbers from TextPull every number out of a block of text, with the total.

Extract Links from TextFind every web link in some text.

Word Wrap TextWrap long lines at a set width.

NATO Phonetic AlphabetSpell out text as Alfa, Bravo, Charlie…

Vigenère CipherEncrypt or decrypt with a keyword cipher.

Atbash CipherSwap A↔Z, B↔Y… an ancient cipher.

Acrostic Poem HelperLine up the letters of a word to start an acrostic poem.

Alphabetize WordsSort words or a comma list A to Z.

Band Name GeneratorRandom band names for your next group project or garage band.

Pet Name GeneratorCute, funny and cool names for a new pet.

Fantasy Name GeneratorNames for characters, kingdoms and dragons.

Story Plot GeneratorRandom story ideas: a hero, a goal and a twist.

Charades & Pictionary WordsRandom words to act out or draw.

Random Workout GeneratorA quick no-equipment workout, different every time.

Drawing Idea GeneratorRandom things to draw when you’re stuck.

Random Country PickerPick random countries with their flags and capitals.

Icebreaker QuestionsFun questions to get people talking.

Random Letter GeneratorPick random letters for word games like Scattergories.

Random Date GeneratorRandom dates between two years.

Draw Random Playing CardsShuffle a deck and draw cards.

Compliment GeneratorRandom kind words to send a friend.

Funny Excuse GeneratorSilly (not serious!) excuses for being late.

PX to REM ConverterConvert pixels to rem/em for CSS.

HEX ⇄ RGB ⇄ HSL ConverterConvert a colour between HEX, RGB and HSL.

CSS Border Radius GeneratorShape a box visually and copy the CSS.

CSS Text Shadow GeneratorDesign a text shadow and copy the CSS.

Cron Expression ExplainerExplain a cron schedule in plain English.

JSON to CSVTurn a JSON array of objects into CSV.

JWT DecoderDecode a JSON Web Token’s header and payload (stays on your device).

HTTP Status Code LookupWhat does a 404, 503 or 418 mean?

Chmod CalculatorLinux file permissions as numbers and letters.

Robots.txt GeneratorMake a robots.txt file for your website.

URL ParserBreak a URL into protocol, host, path and query parameters.

JavaScript Key Code FinderPress any key to see its key, code and keyCode.

What’s My Screen Size?Your screen resolution, window size and pixel ratio.

CSS MinifierShrink CSS by removing comments and spaces.

Tile CalculatorHow many tiles you need for a floor or wall.

Concrete CalculatorConcrete needed for a slab, in cubic metres and bags.

Mulch & Soil CalculatorHow much mulch, soil or gravel for a garden bed.

Fence CalculatorPosts, rails and pickets for a fence.

TV Size & Viewing DistanceBest TV size for your room, or best distance for your TV.

Air Conditioner Size (BTU)What size air conditioner a room needs.

LED Bulb SavingsMoney saved by swapping old bulbs for LEDs.

Packing List GeneratorA checklist for your trip based on days and type.

Plant Watering ScheduleHow often to water common houseplants.

Bowling Score CalculatorScore a 10-pin game from your rolls (X for strike, / for spare).

Football Passer RatingNFL/CFL-style quarterback passer rating.

Baseball ERA CalculatorEarned run average and WHIP for a pitcher.

Tennis Score KeeperTap to keep score: points, games and sets.

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Sprint Speed CalculatorYour top speed from a sprint time.

Bike Gear RatioGear ratio, development and speed at a cadence.

Race Pace ChartSplit times for 5K, 10K, half and full marathons at your pace.

Sunrise & Sunset TimesSunrise, sunset and day length for any place and date.

Moon Phase CalculatorThe moon’s phase on any date.

Decimal Hours ConverterConvert hours and minutes to decimal hours and back.

Printable CalendarMake a month calendar you can print.

Date Format ConverterSee a date in every common format.

Percent to Letter Grade (BC)Convert a percentage to a BC letter grade and GPA points.

Test Score CurveCurve a class’s test scores so the top or average hits a target.

Reading Speed TestTime how fast you read a short passage (words per minute).

Essay Word Goal PlannerSplit your essay’s word count across sections and days.

Canadian Capitals QuizTest yourself on the capitals of Canada’s provinces and territories.