All 212 tools, A to Z.
The complete UtilityHub directory — every free, private, in-browser tool, grouped by category. Pick one to get started.
📝Text26
- 🧹Text CleanerTrim, dedupe, strip HTML, fix line breaks & more.
- 🔢Word CounterLive word, character, sentence & reading-time stats.
- 🔠Case ConverterUPPER, lower, Title, camelCase, snake_case & 6 more.
- 📄Lorem IpsumGenerate placeholder paragraphs, sentences or words.
- 🔍Text DiffCompare two texts and highlight what changed.
- 📑Markdown PreviewWrite Markdown, see live rendered HTML.
- 🔗Slug GeneratorTurn any title into a clean URL slug.
- ♻️Text RepeaterRepeat any text N times, with a separator.
- 🔁Reverse TextReverse characters, words or lines.
- 🧾Remove Duplicate LinesDelete repeated lines from a list.
- ⬜Whitespace RemoverStrip extra spaces, tabs & blank lines.
- 🔃Find & ReplaceBulk find-and-replace with regex support.
- 🔡Line SorterSort lines A→Z, Z→A, by length or shuffle.
- 🔐ROT13 CipherClassic ROT13 letter substitution.
- 🗝️Caesar CipherShift-cipher encode & decode.
- 📡Morse CodeTranslate text ⇄ Morse code.
- 🎖️NATO PhoneticSpell words with the phonetic alphabet.
- 📤Extract Emails & URLsPull emails, links or numbers out of text.
- 🔤Fancy TextTurn text into stylish Unicode fonts.
- 🙃Upside Down TextFlip text ¡uʍop ǝpᴉsdn.
- 🪞Palindrome CheckerCheck if text reads the same backwards.
- 🈹Emoji TranslatorSprinkle emojis into your text.
- ⚡Bionic ReadingBold the start of each word to read faster.
- 📖Readability ScoreFlesch reading ease and grade level.
- 🚫Remove EmojiStrip emojis and symbols out of text.
- 🔡Letter FrequencyCount how often each letter appears.
💻Code & Data21
- 🗂️JSON FormatterValidate, beautify and minify JSON.
- 🔡Base64 Encode/DecodeConvert text to and from Base64.
- 🔐Hash GeneratorSHA-1, SHA-256, SHA-384 & SHA-512 hashes.
- 🆔UUID GeneratorRandom version-4 UUIDs, bulk & formatted.
- 🧮Number Base ConverterBinary, octal, decimal & hex — live.
- 🔎Regex TesterTest patterns with live match highlighting.
- 📎HTML Entity Encode/DecodeEscape or unescape HTML special characters.
- 🎫JWT DecoderDecode a JSON Web Token header & payload.
- 📋CSV ⇄ JSONConvert CSV to JSON and back again.
- 🔗URL Encode/DecodePercent-encode or decode URLs & queries.
- 📄HTML MinifierStrip comments & collapse whitespace.
- 🎯CSS MinifierCompress CSS by removing whitespace.
- ⚡JS Minifier (basic)Strip comments & extra whitespace from JS.
- 🗄️SQL FormatterPretty-print SQL with clause breaks.
- 📰XML FormatterIndent and pretty-print XML.
- ➰String EscaperEscape/unescape for JSON, JS & more.
- 🔣Hex ⇄ TextConvert between hex bytes and text.
- 🚦HTTP Status CodesLook up any HTTP status code meaning.
- 📁MIME Type LookupFind the MIME type for any file extension.
- ⏲️Cron Expression HelperExplain a 5-field cron schedule in words.
- 🔬Unicode InspectorSee code points for every character.
🎨Image & Design14
- 🎨Palette ExtractorPull the dominant colors out of any image.
- 📐Image ResizerResize & compress images without uploading.
- 🧬Image → Base64Encode an image as a data URI for inline use.
- 🌈Color ConverterPick a color, convert HEX ⇄ RGB ⇄ HSL.
- 🌗Gradient GeneratorDesign CSS gradients & copy the code.
- 🌑Box-Shadow GeneratorVisually build a CSS box-shadow.
- ⬜Border-Radius GeneratorCraft fancy rounded / blob shapes.
- 🖌️Photo EditorAdjust brightness, contrast, filters & more.
- 👾Pixel Art StudioDraw pixel art on a grid & export PNG.
- 😂Meme GeneratorAdd top/bottom captions to an image.
- 🔄Rotate & Flip ImageRotate 90°, flip and download.
- 🎚️Color ShadesGenerate tints & shades of any color.
- 👁️Contrast CheckerWCAG contrast ratio between two colors.
- 🖍️Color MixerBlend two colors and copy the result.
🔄Converters12
- 📏Unit ConverterLength, weight, temperature, volume & more.
- 💠Text ⇄ BinaryEncode text to binary and decode it back.
- 🌡️Temperature ConverterCelsius, Fahrenheit & Kelvin, live.
- 🥄Cooking ConverterCups, tablespoons, ml & grams (water).
- 👟Shoe Size ConverterUS, UK, EU & CM shoe sizes.
- 📐Angle ConverterDegrees, radians & gradians.
- ⛽Fuel EconomyMPG ⇄ L/100km ⇄ km/L.
- 🏃Running PaceConvert pace between min/km & min/mile.
- 💾Data Size ConverterBytes, KB/MB/GB and KiB/MiB/GiB.
- 🔓Chmod CalculatorBuild Unix file permissions & octal.
- 🖥️Aspect Ratio CalculatorResize keeping the same proportions.
- 🌍World ClockCurrent time across major time zones.
🔢Math & Numbers15
- 🔤Number to WordsSpell out numbers in plain English.
- 🏛️Roman NumeralsConvert numbers ⇄ Roman numerals.
- ％Percentage CalculatorPercent of, change, and X is what % of Y.
- 🧮Scientific CalculatorEvaluate math expressions & functions.
- 📊Average & StatisticsMean, median, mode, range & std-dev.
- ➗GCD & LCMGreatest common divisor & least common multiple.
- 🔟Prime CheckerTest primality & factorize a number.
- ½Fraction ToolsSimplify fractions & convert to/from decimals.
- 📈Quadratic SolverSolve ax² + bx + c = 0.
- ❗Factorial & Combinationsn!, permutations nPr & combinations nCr.
- 🐚Fibonacci GeneratorGenerate the Fibonacci sequence.
- 📐Right TriangleSolve sides with the Pythagorean theorem.
- 🔺Area & PerimeterCircle, rectangle, triangle & more.
- 🟰Proportion SolverSolve a/b = c/x for the missing value.
- 🔬Scientific NotationConvert numbers to/from scientific form.
💰Finance14
- 🏦Loan / EMI CalculatorMonthly payment, total interest & cost.
- 🍽️Tip CalculatorSplit the bill and tip fairly.
- 🏷️Discount CalculatorSale price and how much you save.
- 📈Compound InterestGrow savings with compounding & contributions.
- 💵Simple InterestInterest = principal × rate × time.
- 💼Salary ConverterHourly ⇄ weekly ⇄ monthly ⇄ yearly pay.
- 🎯Savings GoalHow much to save each month to hit a goal.
- 🧾Sales Tax / VATAdd or remove tax from a price.
- 🏷️Margin & MarkupProfit margin and markup from cost & price.
- 💹ROI CalculatorReturn on investment & annualized ROI.
- ⚖️Break-Even PointUnits needed to cover fixed costs.
- 🪙Currency FormatterFormat a number as money in any currency.
- ⏳Rule of 72Years to double money at a given rate.
- 📊50/30/20 BudgetSplit income into needs, wants & savings.
💪Health & Fitness13
- ⚖️BMI CalculatorBody-mass index with healthy-range guidance.
- 🔥BMR CalculatorBasal metabolic rate (calories at rest).
- 🍽️TDEE / Calorie NeedsDaily calories based on activity level.
- 📉Body Fat %Estimate body fat (U.S. Navy method).
- 🎯Ideal WeightHealthy weight range for your height.
- 💧Water IntakeRecommended daily water from body weight.
- ❤️Heart Rate ZonesTarget training zones from your age.
- 🏋️One-Rep MaxEstimate your 1RM for any lift.
- 🤰Pregnancy Due DateEstimate due date from last period.
- 😴Sleep CalculatorBest bed/wake times by sleep cycles.
- 📆Weight Loss TimelineHow long to reach your goal weight.
- 🥗Macro CalculatorSplit calories into protein, carbs & fat.
- 🍷Blood Alcohol (est.)Rough BAC estimate — never drink & drive.
⏰Time & Date12
- ⏱️Timestamp ConverterUnix time ⇄ human-readable dates, live.
- 🎂Age CalculatorExact age in years, months & days.
- 📅Date DifferenceDays, weeks & months between two dates.
- ⏳Countdown TimerLive countdown to any date & time.
- ⏱️StopwatchStart, stop, lap and reset a stopwatch.
- 🍅Pomodoro Timer25-minute focus sessions with breaks.
- ➕Date Add / SubtractAdd or subtract days, weeks, months, years.
- 📆Day of the WeekFind what day any date falls on.
- 💼Business DaysCount working days between two dates.
- ➗Time DurationAdd or subtract H:M:S durations.
- 🐸Leap Year CheckerIs it a leap year? See nearby ones too.
- 📆Year Progress BarSee how much of today, the month and year is gone.
✨Generators18
- 🔑Password GeneratorStrong random passwords with a strength meter.
- 🔳QR Code BuilderQR codes for URLs, WiFi, contacts & text.
- 🎯Random NumberRandom integers in any range.
- 🔀List RandomizerShuffle a list or pick a random winner.
- 🎲Dice & Coin RollerFlip coins and roll dice of any size.
- 🎨Random PaletteGenerate harmonious color palettes instantly.
- 🔓Passphrase GeneratorMemorable word-based passwords.
- 🙋Random NameGenerate random full names.
- 👤Username GeneratorFun handles for gaming & social.
- 🌈Random ColorGenerate a random color with codes.
- 😜Random EmojiPick random emojis to copy.
- 🗝️API Key / TokenRandom hex, base64 or UUID-style keys.
- 💳Card Number ValidatorLuhn check & generate test card numbers.
- 🖼️Placeholder ImageGenerate a sized placeholder PNG.
- 🎡Decision WheelSpin a wheel to pick a winner.
- 💬Random QuoteA dose of daily inspiration.
- 📅Random DateGenerate a random date in any range.
- 🎓GPA CalculatorCompute your grade point average.
🌐Web & SEO21
- 🛡️Password Strength TestCheck how strong a password is & why.
- 🏷️Meta Tag GeneratorSEO, Open Graph & Twitter meta tags.
- 🔍Google SERP PreviewPreview your title & description in search.
- 📱Social Card PreviewSee how a link looks when shared.
- 🔗UTM Link BuilderBuild campaign tracking URLs.
- 🧩URL ParserBreak a URL into its components.
- 🕵️User Agent ParserDetect browser, OS & device from a UA.
- 📊Keyword DensityAnalyze word frequency for SEO.
- 📖Reading TimeEstimate reading & speaking time.
- 🤖robots.txt GeneratorBuild a robots.txt file visually.
- ⭐Favicon GeneratorMake a favicon from an emoji or letter.
- 📏CSS Unit Converterpx ⇄ rem ⇄ em ⇄ pt.
- 🐦Social Char CounterCharacter limits for social platforms.
- 📧Email ObfuscatorHide emails from spam-bot scrapers.
- 🔲Table GeneratorBuild HTML & Markdown tables.
- 📋List to HTMLTurn a plain list into HTML markup.
- 🧱JSON-LD GeneratorStructured data for rich search results.
- ❓Query String ParserDecode URL query parameters into a table.
- 🖥️Screen InfoSee your screen, viewport and browser details.
- 🗺️Sitemap GeneratorBuild an XML sitemap from a list of URLs.
- 📏Character Limit CheckerCheck text against social and SEO length limits.
🎮Fun & Games21
- ⌨️Typing Speed TestMeasure your words-per-minute & accuracy.
- ⚡Reaction Time TestHow fast are your reflexes?
- 🖱️Click Speed TestHow many clicks per second (CPS)?
- ✊Rock Paper ScissorsPlay against the computer.
- ⭕Tic-Tac-ToePlay X vs a simple computer O.
- 🧠Memory MatchFlip cards to find matching pairs.
- 🔢Number GuessingGuess the secret number 1–100.
- 🎱Magic 8-BallAsk a yes/no question, get an answer.
- 🪙Coin FlipHeads or tails with a running tally.
- 🔤Word ScrambleUnscramble the hidden word.
- 🎨Guess the ColorMatch the hex code to the swatch.
- 🎪HangmanGuess the word before the man hangs.
- 🟩Simon SaysRepeat the growing color sequence.
- 🎴Higher or LowerGuess if the next number is higher.
- ❓Trivia QuizTest your general knowledge.
- 💘Love CalculatorJust-for-fun compatibility score.
- 😄Dad JokesGroan-worthy jokes on demand.
- 🤷Would You RatherImpossible choices to ponder.
- 🧐Random FactsSurprising facts to impress friends.
- 🎟️Bingo CardGenerate a random bingo card.
- 🔮Yes or No OracleLet fate decide your question.
📌Productivity25
- ✅To-Do ListA simple saved checklist for your tasks.
- 📝Quick NotepadA scratchpad that auto-saves locally.
- 🔢Tally CounterTap to count anything, saved locally.
- 📅Habit TrackerTrack daily habits over the week.
- 💸Meeting Cost TimerWatch the cost of a meeting tick up live.
- 🫁Breathing ExerciseCalm down with box breathing.
- 🗂️Eisenhower MatrixPrioritize tasks by urgency & importance.
- 🃏FlashcardsCreate & study saved flashcards.
- 👥Team PickerRandomly split names into teams.
- 🎯Random Name PickerPick a random winner from a list.
- 🎵MetronomeKeep the beat with an audible click.
- 🌊White NoiseAmbient noise for focus & sleep.
- 🏆ScoreboardTrack scores for two players or teams.
- ✏️Doodle PadSketch freely & download your drawing.
- 🎰Decision MakerCan’t decide? Let chance choose.
- ✍️Writing PromptSpark a story with a random prompt.
- 🧊Icebreaker QuestionsFun questions to get conversations going.
- 😊Mood TrackerLog your daily mood & see the week.
- 🙏Gratitude JournalNote things you’re grateful for.
- 🛒Shopping ListA saved, checkable grocery list.
- 🗓️Daily PlannerPlan your day hour by hour.
- 🎯Word Count GoalWrite toward a target word count.
- 📚Reading ListTrack books to read, reading & finished.
- ⚖️Pros & ConsWeigh a decision side by side.
- 🔊Text to SpeechRead any text aloud in your browser.