All 546 tools
Every tool is free, instant and browser-based. Search below or jump into a category.
Text Tools & Counters
87 toolsWord CounterPopularCharacter CounterPopularCase ConverterPopularAlphabetical SorterPopularFind & Replace TextPopularRemove Duplicate LinesPopularWhitespace CleanerPopularText Statistics AnalyzerPopularText ReverserPopularRemove Line BreaksPopularWord Count CheckerEssay Word CounterCharacter Count with SpacesCharacter Count without SpacesLetter CounterSentence CounterParagraph CounterSyllable CounterAverage Word Length CalculatorUnique Word CounterMost Used Words FinderWord Density CheckerUppercase to LowercaseLowercase to UppercaseCapitalize Each WordSentence Case ConverterAlternating Case ConverterSwap Case ConverterCamel Case ConverterPascal Case ConverterSnake Case ConverterKebab Case ConverterConstant Case ConverterTitle Capitalization CheckerSmall Text GeneratorSuperscript Text GeneratorSubscript Text GeneratorStrikethrough Text GeneratorUnderline Text GeneratorBold Text Generator (Unicode)Italic Text GeneratorFullwidth / Vaporwave TextGlitch Text GeneratorAesthetic Text GeneratorCursive Text GeneratorGothic Text GeneratorBubble Text GeneratorSquare Text GeneratorDouble-Struck TextUpside Down Text FlipperMirror Text GeneratorBackwards Text GeneratorReverse Words OrderShuffle WordsRemove AccentsRemove PunctuationRemove Numbers from TextExtract Numbers from TextExtract Emails from TextExtract URLs from TextExtract Phone NumbersStrip HTML TagsRemove Formatting from TextPlain Text ConverterRemove Blank LinesMerge Lines into OneJoin with CommaSplit Text by DelimiterText to List ConverterList to Comma SeparatorColumn to Comma ConverterReplace Newline with CommaTab to Space ConverterSpace to Tab ConverterNBSP RemoverZero-Width Character RemoverEmoji RemoverEmoji ExtractorUnicode Character InspectorCharacter Frequency CounterText Diff CheckerLevenshtein Distance CalculatorSort Lines by LengthNumeric Line SorterShuffle Lines RandomlyWord Wrap ToolText Truncator (Char Limit)
Writing & Content Tools
47 toolsReading Time CalculatorPopularWords-to-Pages EstimatorPopularLorem Ipsum GeneratorPopularText-to-Slug ConverterPopularTitle Case ConverterPopularWord Frequency CounterPopularRandom Word GeneratorPopularSentence CounterPopularLine Break ConverterPopularReadability Score AnalyzerPopularWords to Pages (500 words)Words to Pages (1000 words)Words to Pages (1500 words)Words to Pages (2000 words)Pages to Words ConverterHandwriting Pages EstimatorSpeech Time CalculatorPodcast Time CalculatorVideo Script Time EstimatorWords Per Minute Reading TestBlog Post Length CheckerHeadline Title Case (AP Style)Chicago Style Title CaseSentence Length AnalyzerPassive Voice DetectorAdverb CounterFlesch Reading Ease CalculatorGunning Fog Index CalculatorSMOG Index CalculatorColeman-Liau IndexRhyme FinderWord UnscramblerScrabble Word FinderWordle SolverAnagram SolverPalindrome CheckerRandom Sentence GeneratorRandom Paragraph GeneratorRandom Writing PromptStory Starter GeneratorAcronym GeneratorBackronym GeneratorRandom Noun GeneratorRandom Verb GeneratorRandom Adjective GeneratorRandom Letter GeneratorOnline NotepadPopular
JSON, CSV & Data Tools
49 toolsJSON Formatter & ValidatorPopularCSV to JSON ConverterPopularJSON to CSV ConverterPopularUnix Timestamp ConverterPopularXML Formatter & ValidatorPopularYAML-JSON ConverterPopularJSON Diff CheckerPopularJSON MinifierPopularJSON Pretty PrintJSON Viewer OnlineJSON Editor OnlineJSON Path Testerjq PlaygroundJSON to XMLXML to JSONJSON to Markdown TableMarkdown Table to JSONJSON String Escape / UnescapeJSON Stringify OnlineJSON Parse OnlineJSON Array FlattenJSON UnflattenJSON Sort by KeyJSON Key RenamerJSON Search / ExtractJSONLines to JSONJSON to NDJSONNested JSON to CSVCSV to YAMLYAML to CSVTSV to JSONJSON to TSVCSV to SQL InsertCSV Sort by ColumnCSV Filter RowsCSV DeduplicatorCSV Join / MergeCSV Column ExtractorCSV to LaTeX TableCSV to HTML TableFixed Width to CSVExcel Column Letter ConverterJSON to TypeScript InterfaceJSON to Java ClassJSON to Go StructGraphQL FormatterTOML FormatterINI File FormatterENV File Validator
Password GeneratorPopularWhat Is My IPPopularQR Code GeneratorPopularBase64 Encoder/DecoderPopularUUID GeneratorPopularRandom Number GeneratorPopularURL Encoder/DecoderPopularHash Generator (MD5/SHA)PopularHTML Entity Encoder/DecoderPopularJWT DecoderPopularBase64 to ImageImage to Base64Base64 to HexBase32 EncoderURL-Safe Base64URL ParserDomain Extractor from URLsEmail ObfuscatorMailto Link GeneratorWhatsApp Link GeneratorvCard Generator (QR)Hex to StringString to HexHex to ASCIIDecimal to HexHex to BinaryOctal to DecimalInt to IP ConverterIP to IntegerCIDR CalculatorSubnet CalculatorIPv6 ExpanderGUID GeneratorUUID v7 GeneratorULID GeneratorNanoID GeneratorAPI Key GeneratorSecret Key GeneratorSHA-256 Hash GeneratorSHA-1 Hash GeneratorSHA-512 GeneratorSHA-3 / Keccak GeneratorCRC32 ChecksumFile Checksum CalculatorBcrypt Hash GeneratorTOTP Code GeneratorVigenere CipherAtbash CipherXOR Encrypt/DecryptPEM Certificate ViewerPassword Passphrase GeneratorNumber Base ConverterBinary-to-Text ConverterMorse Code TranslatorHMAC Signature GeneratorPassword Strength TesterROT13 / Caesar CipherDice RollerCoin FlipMAC Address LookupHTTP Header Viewer
Color Converter (HEX/RGB/HSL)PopularRegex Tester & DebuggerPopularHTML to Markdown ConverterPopularGradient GeneratorPopularMarkdown to HTML ConverterPopularCron Expression ExplainerPopularCSS Minifier & BeautifierPopularSQL FormatterPopularHTML Beautifier & MinifierPopularJavaScript MinifierPopularQuery String ParserPopularSlugifyPopularRegex Replace OnlineRegex Cheat SheetCron Every N MinutesCron Next Run CheckerQuartz Cron BuilderSQL IN Clause GeneratorMySQL FormatterPostgreSQL FormatterBigQuery SQL FormatterSnowflake SQL FormatterHTML Table GeneratorHTML List GeneratorHTML Link GeneratorHTML Image Tag GeneratorIframe Embed GeneratorCSS Box Shadow GeneratorCSS Border Radius GeneratorCSS Flexbox GeneratorCSS Grid GeneratorCSS Transition GeneratorCSS Animation GeneratorTailwind Config GeneratorMedia Query GeneratorBootstrap Grid Builderpx to rem Converterem to px Converterpt to px ConverterPixels to Inches (Print DPI)SVG OptimizerMeta Viewport GeneratorOpen Graph Image Testerrobots.txt Tester (Syntax)ads.txt Generatorsecurity.txt Generatorllms.txt GeneratorAI Crawler Policy Generator
SEO & Meta Generators
33 toolsMeta Tag GeneratorPopularUTM Campaign BuilderPopularRobots.txt GeneratorPopularFAQ Schema GeneratorPopularOpen Graph GeneratorPopularSERP Title Preview ToolPopularKeyword Density AnalyzerPopularXML Sitemap GeneratorPopularTwitter/X Card GeneratorPopularHreflang Tag GeneratorPopularArticle Schema GeneratorProduct Schema GeneratorLocal Business Schema GeneratorOrganization Schema GeneratorBreadcrumb Schema GeneratorEvent Schema GeneratorRecipe Schema GeneratorVideo Schema GeneratorHowTo Schema GeneratorReview/Rating Schema GeneratorPerson Schema GeneratorMeta Description Generator (Rules)Google SERP SimulatorSlug Length CheckerInternal Link Suggestion ToolRedirect Generator (.htaccess)Nginx Redirect GeneratorCanonical Tag CheckerIndexability TesterXML Sitemap ValidatorImage Sitemap GeneratorHreflang XML GeneratorGooglebot Test (UA)
Business & Finance Calculators
59 toolsProfit Margin CalculatorPopularPercentage CalculatorPopularSales Tax / VAT CalculatorPopularDiscount CalculatorPopularPercentage Change CalculatorPopularMarkup CalculatorPopularCompound Interest CalculatorPopularLoan Payment CalculatorPopularTip CalculatorPopularBreak-Even CalculatorPopularPercent of a NumberWhat Percent Of (X of Y)Percent Increase CalculatorPercent Decrease CalculatorPercent Difference CalculatorPercent Error CalculatorReverse Percentage CalculatorPercent Off CalculatorDouble Discount CalculatorFraction to PercentFraction to DecimalDecimal to FractionSimplify Fractions CalculatorRatio CalculatorRatio SimplifierSplit Bill CalculatorOvertime Pay CalculatorPaycheck CalculatorSalary to HourlyHourly to SalaryPay Raise CalculatorCommission CalculatorInvoice Total CalculatorReverse VAT CalculatorGST Calculator (India)Sales Tax by StateRoAS CalculatorCPC CalculatorCPM CalculatorCTR CalculatorConversion Rate CalculatorAverage Order Value CalculatorCustomer LTV CalculatorAd Revenue Calculator (RPM)Simple Interest CalculatorAPY CalculatorInflation CalculatorSavings Goal CalculatorEmergency Fund CalculatorROI CalculatorCAGR CalculatorPresent Value CalculatorAmortization Schedule ExporterCurrency Converter (Live API)Crypto Price ConverterTariff / Landed Cost CalculatorProrated Rent CalculatorDebt Payoff CalculatorInvoice GeneratorPopular
Health & Fitness Calculators
31 toolsBMI CalculatorPopularRunning Pace CalculatorPopularTDEE CalculatorPopularBMR CalculatorPopularCalorie CalculatorPopularMacronutrient CalculatorPopularPregnancy Due Date CalculatorPopularBody Fat CalculatorPopularWater Intake CalculatorPopularIdeal Weight CalculatorPopularLean Body Mass CalculatorWaist-to-Height RatioWaist-to-Hip RatioBody Surface Area CalculatorHeart Rate Zone CalculatorVO2 Max EstimatorPace to Speed ConverterCycling Speed CalculatorSwim Pace CalculatorCalories Burned CalculatorSteps to KilometersSleep Cycle CalculatorBedtime CalculatorOvulation CalculatorOne-Rep Max CalculatorStrength Standards ToolMacro Split Presets (Cut/Bulk)Keto Macro CalculatorWater Intake During ExerciseGestational Age CalculatorPregnancy Weight Gain Calculator
Date & Time Tools
37 toolsAge CalculatorPopularAdd/Subtract Days CalculatorPopularDate Difference CalculatorPopularTime Zone ConverterPopularWorking Days CalculatorPopularCountdown Timer to DatePopularTime Duration CalculatorPopularMilitary Time ConverterPopularTime Card CalculatorPopularWeek Number CalculatorPopularAge in Months CalculatorAge in DaysExact Age CalculatorDog Age CalculatorCat Age CalculatorDays Until ChristmasDays Until New YearWeeks in a YearUTC to IST ConverterEST to IST ConverterGMT to CST ConverterPST to IST ConverterTime Zone Meeting PlannerJulian Date ConverterISO 8601 ParserRFC 3339 FormatterDuration Between TimesTimesheet Rounding CalculatorNight Shift Hours CalculatorDecimal Hours ConverterWhat Day Was I BornWeekday FinderLeap Year CheckerFiscal Quarter FinderChinese Zodiac CalculatorZodiac Sign CalculatorWorkdays Remaining This Year
Cooking Measurement ConverterPopularWeight/Mass ConverterPopularTemperature ConverterPopularData Storage ConverterPopularLength ConverterPopularAspect Ratio CalculatorPopularFuel Cost CalculatorPopularSpeed ConverterPopularArea ConverterPopularVolume ConverterPopularCM to Feet ConverterCM to Inches ConverterInches to CM ConverterFeet to Meters ConverterMeters to Feet ConverterKM to Miles ConverterMiles to KM ConverterMM to Inches ConverterKG to LBS ConverterLBS to KG ConverterGrams to Ounces ConverterOunces to Grams ConverterStone to KG ConverterML to Cups ConverterCups to ML ConverterLiters to Gallons ConverterGallons to Liters ConverterTbsp to Tsp ConverterCups to Grams FlourCups to Grams SugarTbsp to Grams ButterF to C ConverterC to F ConverterAcres to Square Feet ConverterSquare Meters to Square FeetHectare to Acre ConverterMPH to KMH ConverterKMH to MPH ConverterKnots to MPH ConverterMB to GB ConverterGB to MB ConverterMbps Transfer Time CalculatorPSI to Bar ConverterBar to PSI ConverterPPI CalculatorScreen Resolution UtilityUS to EU Shoe SizeRing Size ConverterPaper Size ConverterRecipe ScalerOven Temperature ConverterUsername GeneratorGamertag GeneratorNickname GeneratorBusiness Name GeneratorDomain Name GeneratorRandom Color GeneratorColor Palette GeneratorWCAG Contrast CheckerWiFi QR GeneratorSMS / Phone QR GeneratorEvent QR GeneratorUser Agent ParserDo Not Track Status CheckDevice Pixel Ratio ViewerWebRTC Leak TestIP Geolocation DemoKeyboard TesterMouse Tester / Click TestClicks Per Second TestSpacebar CounterReaction Time TestTyping Speed TestMicrophone TestWebcam TestBrowser Fingerprint ViewerPomodoro TimerOnline TimerOnline StopwatchTabata / HIIT TimerDecision Maker (Yes/No)Random Picker from ListRandom Team GeneratorRaffle / Prize Draw ToolSecret Santa GeneratorWheel Spinner