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Browse free, private tools that run entirely in your browser - no uploads, no sign-up.
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49Text & Writing
Count words, format, clean up and transform text.
Add Line BreaksAdd Line NumbersBusiness Name GeneratorCase ConverterCamel Case ConverterCharacter CounterFind And ReplaceKebab Case ConverterLorem Ipsum GeneratorLine CounterMorse Code TranslatorNATO Phonetic Alphabet ConverterPalindrome CheckerParagraph CounterPascal Case ConverterReadability Score CheckerReading Time CalculatorRemove Duplicate LinesRemove Extra SpacesRemove Line BreaksRemove Line NumbersReverse Each WordReverse TextReverse Word OrderSort Lines AlphabeticallySort Lines By LengthSort Lines NumericallySentence CounterSnake Case ConverterSlogan GeneratorSmart Quotes ConverterSpeaking Time CalculatorSyllable CounterText Diff CheckerText RepeaterText Statistics DashboardURL Slug GeneratorTrim WhitespaceURL ExtractorWhitespace VisualizerUsername GeneratorWord CounterWord Frequency CounterBusiness Card MakerOnline Habit TrackerKanban BoardOnline NotepadRecipe ScalerTournament Bracket Generator
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26Images
Compress, convert, resize and crop - no upload.
Add WatermarkBackground RemoverCircle CropDominant Color FinderEXIF Metadata ViewerFlip ImageGrayscale ConverterImage Color Palette ExtractorImage Color PickerImage CompressorImage CropperImage Diff CheckerImage Dimensions CheckerImage HistogramImage To ASCII ArtImage ResizerImage UpscalerJPG To PNGImage To TextPassport Photo MakerPixelate ImageSignature PadSteganography Text HiderPNG To JPGQR Code DecoderRotate Image
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25Merge, split, convert and compress PDF files.
Add Blank Page To PDFAdd PDF Page NumbersPDF WatermarkBooklet MakerCertificate GeneratorDelete PDF PagesDuplicate PDF PagesPDF Metadata EditorExtract Text By PagePDF Form Data ExtractorExtract PDF PagesPDF Form FillerImage To PDFMerge PDF FilesN-Up PDFPDF To TextPDF Link ExtractorPDF Page CounterPDF Page Size CheckerPDF Word CounterPDF To ImageReorder PDF PagesRotate PDFPDF SignerSplit PDF
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75Developer
Format, encode, validate and generate code.
Base64 Encode And DecodeCron Expression BuilderCron Expression ExplainerCSS Clamp CalculatorCSS FormatterCSS MinifierCSV To JSON ConverterCSV To YAML ConverterNanoid GeneratorIEEE 754 Float ConverterNumber Base ConverterULID GeneratorClipboard InspectorHTML Entity Encode And DecodeHTML FormatterHTML MinifierIpv4 Subnet CalculatorISBN ValidatorJSON FormatterJSON MinifierJSON Schema ValidatorJSON To CSV ConverterJSON To XML ConverterJSON To YAML ConverterJSON ValidatorJWT DecoderJWT GeneratorLESS To CSSMarkdown Table GeneratorMarkdown To HTMLXML FormatterXML To JSON ConverterYAML FormatterYAML To JSON ConverterYAML ValidatorSCSS To CSSSHA-256 Hash GeneratorSQL FormatterURL Encode And DecodeQuery String BuilderQuery String ParserRegex TesterScreen Resolution DetectorSVG OptimizerURL ParserUser-Agent ParserUUID Generator (V4 & V7)Chart MakerCSV EditorCSV Column ExtractorCSV DeduplicatorCSV MergerCSV SorterCSV SplitterCSV StatisticsCSV To ChartCSV To XML ConverterCSV ViewerHistogram MakerPivot TableSQL PlaygroundSqlite BrowserAES Encrypt And DecryptFile Hash CalculatorCaesar CipherHMAC GeneratorIBAN ValidatorPassphrase GeneratorPassword GeneratorPassword Strength MeterPBKDF2 DeriveRail Fence CipherRSA Key Pair GeneratorTOTP Code GeneratorQR Code Generator
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27Converters
Convert units, files, time zones and currencies.
BTU To Kw ConverterData Storage ConverterPPI CalculatorArea ConverterTemperature ConverterLength ConverterMeters To Feet ConverterPressure ConverterSpeed ConverterVolume ConverterWeight ConverterAge CalculatorBusiness Days CalculatorCalendar GeneratorCountdown TimerDate CalculatorDay Of Week FinderISO Date ConverterDays Between Dates CalculatorMeeting Time PlannerPomodoro TimerRecurring Date CalculatorTime Between Two Times CalculatorTime Duration CalculatorTime Zone ConverterUnix Timestamp ConverterWorking Hours Calculator
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23Color & Design
Pick colors, convert formats, check contrast.
Accessible Palette GeneratorColor Contrast CheckerColor Harmony WheelDark Mode Color ConverterColor MixerColor PickerColor Palette GeneratorColor TemperatureCMYK To RGB ConverterCSS Border Radius GeneratorCSS Box Shadow GeneratorCSS Gradient GeneratorGradient GeneratorMesh Gradient GeneratorHEX To HSL ConverterHEX To RGB ConverterHSL To HEX ConverterRandom Color GeneratorRGB To CMYK ConverterRGB To HEX ConverterSVG Pattern GeneratorTriadic Color GeneratorWCAG Contrast Checker
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53Calculators
Math, finance, dates, health and percentages.
Aspect Ratio CalculatorBig Number CalculatorCorrelation Coefficient CalculatorDecimal To Fraction ConverterFraction CalculatorFraction To Decimal ConverterIntegral CalculatorMatrix CalculatorMean, Median & Mode CalculatorMedian & Mode CalculatorPerimeter CalculatorPercentage Change CalculatorPercentage CalculatorPrime Factorization CalculatorQuadratic Equation SolverProportion SolverRatio CalculatorRoman Numeral ConverterStandard Deviation CalculatorTruth Table GeneratorZ-Score CalculatorAmortization ScheduleAuto Loan CalculatorBreak-Even CalculatorCommission CalculatorCompound Interest CalculatorCredit Card Payoff CalculatorDebt Snowball Vs Avalanche CalculatorDiscount CalculatorGross Margin CalculatorHome Affordability CalculatorHourly To Salary CalculatorLoan Calculator With Amortization ScheduleMarkup Vs MarginMortgage Calculator With Taxes, Insurance & PMIMortgage Overpayment CalculatorMRR And ARR CalculatorNPV CalculatorProfit Margin CalculatorRetirement CalculatorROI CalculatorROAS CalculatorStartup Runway CalculatorSavings Goal CalculatorInvoice GeneratorTip CalculatorUnit Price ComparisonVAT CalculatorVesting Schedule CalculatorBMI CalculatorBMR CalculatorCalories Burned By Activity CalculatorRunning Pace Calculator
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06Games & Fun
Word games, puzzles and card generators to play.
Tool category
09SEO & Web
Meta tags, slugs, sitemaps and validators.
Breadcrumb Schema GeneratorMeta Tag GeneratorOpen Graph GeneratorRobots.Txt GeneratorSERP Snippet PreviewXML Sitemap GeneratorTopical Map GeneratorUTM Link BuilderURL Builder
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Social & Creator
Profile, caption and sharing helpers for creators.