November 10, 2026

Free Online Tools

500 Free Tools, Zero Sign-Ups

Every tool on this page runs instantly in your browser — no accounts, no uploads, no waiting. They are grouped the way people actually reach for them: calculators first, then text and writing, developer tools, image and design, converters and utilities, SEO and webmaster tools, and everyday and lifestyle helpers. Bookmark this page; it tends to become the tab you never close.

Main Tools

The most-used tools across all seven families — each one is also listed in its family section below.

18 tools

Calculators

Money, health, maths, time and everyday maths — answers with the working shown.

96 tools

Age Calculatorworks out exact age, total days lived and the next birthdayFREEPercentage Calculatoranswers what-is, what-percent and percentage-change questionsFREEEMI Calculatorworks out monthly loan payments with total interest and costFREEBMI Calculatorcalculates body mass index with metric and imperial unitsFREEDate Difference Calculatorcounts exact days, weeks and business days between two datesFREETip Calculatorcalculates tips and splits the total fairly between peopleFREERandom Number Generatorgenerates random numbers in any range, with or without repeatsFREEStrong Password Generatorcreates strong random passwords and memorable passphrases locallyFREEOnline Stopwatchtimes events with lap splits and fastest/slowest highlightingFREECountdown Timercounts down any duration with a progress display and alarmFREEScientific Calculatora full scientific calculator with trig, logs, memory and historyFREEDiscount Calculatorfinds the price after discounts — including stacked sale offersFREECompound Interest Calculatorprojects savings growth with interest and regular contributionsFREEVAT/GST Calculatoradds tax to net prices and removes it from gross pricesFREERoman Numeral Converterconverts between modern numbers and Roman numerals, validatedFREEDate Calculator (Add/Subtract Days)adds and subtracts days, weeks, months and years from datesFREEGPA Calculatorworks out grade point average from grades and creditsFREESalary Calculatorconverts pay between hourly, weekly, monthly and yearlyFREECalorie Calculatorestimates daily calories for your goal with mifflin-st jeorFREEPregnancy Due Date Calculatorestimates due date and trimester from the lmp dateFREEElectricity Bill Calculatorestimates electricity bills from units and slab ratesFREEZakat Calculatorcalculates zakat at 2.5 percent above the nisabFREEFraction Calculatoradds, subtracts, multiplies and divides fractionsFREEAverage Calculatorfinds mean, median, mode and range of any number listFREEStandard Deviation Calculatorcalculates population and sample standard deviationFREELove Calculatorthe classic name compatibility percentage, just for funFREELoan Amortization CalculatorMonthly payment plus full principal and interest scheduleFREEMortgage CalculatorHome-loan payment with down payment, taxes and insuranceFREESIP CalculatorMutual-fund SIP maturity value from monthly investmentFREERetirement CalculatorCorpus needed from age, retirement age and savingFREESimple Interest CalculatorStraight simple interest, distinct from compound interestFREEFixed Deposit (FD) CalculatorFD maturity value with quarterly compoundingFREERecurring Deposit (RD) CalculatorRD maturity from monthly depositsFREEPPF CalculatorPublic Provident Fund maturity with yearly depositsFREEIncome Tax CalculatorSlab-based tax estimate from income and deductionsFREEProfit Margin CalculatorMargin percentage from cost and selling priceFREEMarkup CalculatorMarkup on cost, distinct from margin on priceFREEBreak-Even CalculatorUnits to sell to cover fixed and variable costsFREEROI CalculatorReturn on investment percentage from cost and gainFREECAGR CalculatorCompound annual growth rate from start and end valueFREEInflation CalculatorFuture value of money eroded by an inflation rateFREECurrency ConverterConverts currencies via Frankfurter API with fallbackFREECredit Card Payoff CalculatorMonths and interest to clear a card balanceFREESavings Goal CalculatorMonthly saving needed to reach a target by a dateFREENet Worth CalculatorAssets minus liabilities summaryFREEStock Profit CalculatorProfit or loss from buy price, sell price and quantityFREEBMR CalculatorBasal metabolic rate, distinct from BMIFREEBody Fat CalculatorBody-fat percentage from measurements, Navy methodFREEIdeal Weight CalculatorHealthy weight range from height and genderFREEDaily Water Intake CalculatorRecommended litres from weight and activityFREESleep Cycle CalculatorBest bedtimes and wake times in 90-minute cyclesFREEOvulation CalculatorFertile window from cycle datesFREEMacro CalculatorDaily carbs, protein and fat split from calories and goalFREEHeart Rate Zone CalculatorTraining zones from age and resting heart rateFREERunning Pace CalculatorRunning pace from distance and timeFREEVO2 Max CalculatorEstimated VO2 max from a 12-minute Cooper testFREEOne Rep Max CalculatorEstimated 1RM from weight and repsFREESteps to Calories CalculatorCalories burned from steps and weightFREEBlood Pressure CheckerCategory from systolic and diastolic readingsFREEWeight Loss CalculatorDaily calorie deficit plan to reach a target weightFREEBody Surface Area CalculatorBSA via the Mosteller formulaFREEGCD & LCM CalculatorGreatest common divisor and least common multipleFREEPrime Number CheckerTests whether a number is primeFREEPercentage Change CalculatorPercentage increase or decrease between two valuesFREERatio SimplifierSimplifies ratios and solves missing proportionsFREESquare Root CalculatorSquare root with step displayFREEExponent CalculatorPowers and roots of numbersFREELogarithm CalculatorLogarithm with any baseFREEFactorial CalculatorFactorial with breakdownFREEPermutation & Combination CalculatornPr and nCr valuesFREEMatrix CalculatorAdd, multiply and determinant for 2×2 and 3×3 matricesFREEQuadratic Equation SolverRoots of ax squared plus bx plus c with stepsFREEPythagoras Theorem CalculatorMissing side of a right triangleFREECircle CalculatorArea, circumference and diameter from radiusFREETriangle CalculatorArea, angles and sides from given valuesFREEVolume CalculatorVolume of cube, cylinder, sphere, cone and cuboidFREEWork Hours CalculatorShift hours minus breaks, instantlyFREEBusiness Days CalculatorWorking days only — weekends excludedFREETime Duration CalculatorAdd or subtract clock times easilyFREEWorld ClockLive time in major world citiesFREEOnline Alarm ClockSet an alarm that rings in your browserFREEOnline MetronomeSteady beats at any tempo, 40–240 BPMFREEWeek Number CalculatorISO week number for any dateFREEMoon Phase CalculatorMoon phase for any date, calculatedFREESunrise & Sunset CalculatorSunrise and sunset from solar maths, no APIFREEMeeting Time PlannerShared working hours across time zonesFREEFuel Cost CalculatorTrip fuel cost from distance and priceFREEPaint CalculatorLitres of paint from area and coatsFREETile CalculatorTiles needed, including cutting wasteFREEWallpaper CalculatorRolls needed from wall and roll sizeFREEConcrete CalculatorConcrete volume for slabs and footingsFREERecipe ScalerIngredients scaled to your serving countFREEBill SplitterPer-person share with tip and tax includedFREEGrade CalculatorWeighted final grade for one courseFREEDog Age CalculatorDog age in human years, by sizeFREEDebt-to-Income Ratio CalculatorDTI percentage from income and debtsFREE

Text & Writing

Counters, generators, ciphers and writing helpers for words that work harder.

82 tools

Case Converterswitches text between upper, lower, title, sentence and fun casesFREERemove Duplicate Linesdeletes repeated lines from lists while keeping the order you chooseFREESort Text Lines A–Zorders lines alphabetically, in reverse, by length or at randomFREEFind and Replace Toolswaps a word or phrase everywhere it appears in your textFREEReverse Text Toolflips text backwards by letters, by words, or word by wordFREERemove Extra Spacescleans double spaces, tabs and ragged line breaks from textFREEWord Frequency Counterranks every word in your text by how often it appearsFREELorem Ipsum Generatorcreates classic placeholder text in the amount and shape you needFREEText to Binary Converterturns letters and symbols into 8-bit binary codeFREEBinary to Text Converterdecodes 8-bit binary blocks back into readable textFREERemove Line Breaks Tooljoins hard-wrapped lines from PDFs into flowing paragraphsFREEText Compare / Diff Checkerhighlights what changed between two versions of a textFREEMorse Code Translatortranslates between plain text and Morse code both waysFREENATO Phonetic Alphabet Converterspells text in the NATO alphabet and decodes it backFREEDuplicate Word Finderlists words repeated in a text, plus doubled-word typosFREEAcronym Generatorbuilds acronyms from phrases, and phrases from target lettersFREEFancy Text Generatorturns plain text into stylish unicode fonts for bios and captionsFREEUpside Down Text Generatorflips text upside down with unicode look-alike lettersFREEZalgo Text Generatorcorrupts text with stacking glitch marks, clean mode includedFREEStrikethrough Text Generatorputs a line through text that works anywhere you pasteFREEText Repeaterrepeats words, sentences or emoji up to a thousand timesFREELeetspeak Convertertranslates english to 1337 speak and back, three levelsFREEPig Latin Translatortranslates english into pig latin and back againFREEInvisible Character Generatorcopies invisible characters and blank spaces for profilesFREEPalindrome Checkerchecks whether words and phrases read the same backwardsFREEAnagram Checkerchecks whether two words or phrases are true anagramsFREERandom Word Generatorgenerates random words for games, prompts and ideasFREESentence CounterSentence count for pasted textFREEParagraph CounterParagraph count for pasted textFREEReading Time CalculatorEstimated reading time for textFREESpeaking Time CalculatorSpeech duration at slow, normal, fast paceFREEText SummarizerExtractive summary from keyword frequencyFREEPassive Voice DetectorPassive constructions flagged in textFREERepeated Phrase FinderRepeated phrases in pasted textFREEVowel & Consonant CounterVowel and consonant counts for textFREESyllable CounterTotal and average syllables per wordFREELetter Frequency AnalyzerA–Z letter frequency breakdownFREEHashtag GeneratorHashtag suggestions from keywordsFREEBlog Title GeneratorHeadline ideas from a keywordFREEBusiness Name GeneratorBrand-name ideas from keywordsFREEUsername GeneratorHandle ideas from a name or keywordFREESlogan GeneratorTagline ideas from a keywordFREERandom Sentence GeneratorFull random sentences on demandFREERandom Paragraph GeneratorReadable paragraphs on your topicFREEStory Prompt GeneratorCreative-writing prompts on demandFREEPoem GeneratorShort poems on your topicFREETongue Twister GeneratorRandom tongue twistersFREEExcuse GeneratorFunny, harmless excusesFREECompliment GeneratorRandom complimentsFREERandom Quote GeneratorCurated inspirational quotesFREERandom Joke GeneratorCurated clean jokesFREERiddle GeneratorCurated riddles with answersFREERandom Trivia QuizInteractive general-knowledge quizFREEWould You Rather GeneratorDilemma questions for partiesFREETruth or Dare GeneratorParty prompts: truths and daresFREEPet Name GeneratorPet names by animal typeFREECharacter Name GeneratorFantasy and sci-fi character namesFREETeam Name GeneratorPunchy team names for sports, work and gaming squadsFREEAtbash CipherReversed-alphabet cipher: A becomes Z and back againFREEVigenère CipherKeyword-based polyalphabetic cipher, encode and decodeFREEA1Z26 CipherLetters to numbers: A=1, B=2, all the way to Z=26FREEPigpen CipherMasonic symbol cipher with a visual grid referenceFREEBase32 Encoder / DecoderRFC 4648 Base32 encoding and decoding for textFREEASCII ConverterText to ASCII decimal codes and back againFREEUnicode Character FinderSearch Unicode symbols by name or code pointFREEEmoji Picker & CopySearchable emoji grid with click-to-copyFREEKaomoji GeneratorJapanese text emoticons like (╯°□°)╯, by moodFREEText Art GeneratorBig ASCII-letter banners from any wordFREECSV to Markdown ConverterCSV rows to a clean Markdown tableFREEText to Handwriting ConverterTyped text rendered in handwriting style for notesFREESpeech to TextBrowser speech recognition to transcribed textFREEOnline Voice RecorderRecord and download audio via your microphoneFREERhyming Word FinderRhymes from an embedded rhyme dictionaryFREELine CounterCounts lines, blank lines and non-empty linesFREEWord Wrap ToolWraps text at a chosen character widthFREECover Letter GeneratorTemplate cover letter from role, company and skillsFREEOnline Resume BuilderForm to formatted, printable resumeFREEInvoice GeneratorPrintable invoice from items, rates and taxFREEEmail Signature GeneratorHTML email signature from contact detailsFREEPress Release GeneratorTemplate press release from announcement detailsFREEMeeting Agenda GeneratorStructured agenda from topics and durationsFREESocial Media Bio GeneratorBio ideas from name, niche and toneFREE

Developer

Formatters, converters, validators and generators for code, data and the web.

93 tools

JSON Formatter & Validatorbeautifies JSON and pinpoints syntax errors when it will not parseFREEBase64 Encoder / Decoderencodes text to Base64 and decodes it back, Unicode-safeFREEURL Encoder / Decoderpercent-encodes URL text and decodes it back safelyFREEHTML Encoder / Decoderescapes HTML into entities and decodes entities back to textFREECSS Minifiercompresses stylesheets by removing comments and whitespace safelyFREEJavaScript Minifiercompresses JavaScript by stripping comments and whitespaceFREEHTML Minifiercompresses HTML markup while protecting preformatted contentFREEUUID Generatorcreates random v4 UUIDs in bulk with formatting optionsFREEUnix Timestamp Converterconverts epoch seconds and milliseconds to dates and backFREEJWT Decoderdecodes JWT headers and payloads into readable JSON, locallyFREERegex Testertests patterns live and highlights every match with its groupsFREESQL Formatterturns one-line SQL into readable, structured queriesFREEYAML to JSON Converterparses YAML properly and outputs clean, formatted JSONFREEJSON to XML Convertertransforms JSON structures into properly escaped, indented XMLFREEBase Converterconverts numbers between binary, decimal, hex and octal at onceFREECron Expression Builderbuilds cron schedules from simple choices and explains existing onesFREEHTML Table Generatorbuilds clean HTML table code from a visual grid editorFREEPX to REM Converterconverts pixels to rem and em units at any base font sizeFREESHA-256 Hash Generatorcreates SHA-256 fingerprints of text using the Web Crypto APIFREEMy IP Address Toolshows your public IP address with location and ISP detailsFREEDNS Lookup Toolqueries live DNS records for any domain via DNS-over-HTTPSFREECSS Grid Generatorbuilds css grid layouts visually and copies the codeFREECSS Button Generatordesigns buttons visually with live preview and css outputFREECSS Text Shadow Generatorcrafts single and layered text shadows with css outputFREECSS Clip Path Generatorcreates clip-path shapes and polygons with copyable cssFREEGlassmorphism Generatorbuilds frosted-glass effects with backdrop-filter cssFREESVG Blob Generatorgenerates organic blob shapes as copyable svg codeFREEColor Palette Generatorbuilds harmonious colour palettes from any base colourFREERandom Color Generatorserves random colours with hex, rgb and hsl valuesFREEJSON to TypeScript Converterturns json samples into clean typescript interfacesFREEJSON to YAML Converterconverts json to clean, correctly quoted yamlFREEHTML to Markdown Converterconverts pasted html into clean markdownFREEURL Parserbreaks any url into protocol, host, path and parametersFREEMD5 Hash GeneratorMD5 digest for any text, computed in-browserFREEHash Type IdentifierGuesses hash algorithm from digest pattern and lengthFREEHMAC GeneratorKeyed hash (HMAC-SHA256) from key and messageFREEJWT EncoderBuilds a signed JWT from header, payload and secretFREEJSON Diff CheckerKey-level diff of two JSON documentsFREEJSONPath TesterQueries JSON with a JSONPath expressionFREEJSON Schema GeneratorInfers a JSON Schema from sample JSONFREEXML to JSON ConverterXML documents converted to clean JSONFREEYAML Validator & FormatterValidates and pretty-prints common YAML structuresFREETOML to JSON ConverterTOML configuration converted to JSONFREECSV to XML ConverterCSV rows converted to well-formed XMLFREECSV Table ViewerPasted CSV rendered as a sortable tableFREETSV to JSON ConverterTab-separated values converted to JSONFREEHTML BeautifierPretty-prints HTML with clean indentationFREECSS BeautifierPretty-prints CSS with one declaration per lineFREEJavaScript BeautifierPretty-prints JavaScript with readable indentationFREESQL to JSON ConverterSQL INSERT statements converted to JSON objectsFREEXML to CSV ConverterXML records converted to CSV rowsFREEJSON to Properties ConverterJSON flattened to Java .properties key=value linesFREEHSL to RGB ConverterHSL colour values converted to RGBFREECMYK to RGB ConverterPrint CMYK colour model converted to RGBFREEVH to PX ConverterViewport-height units converted to pixelsFREEEM to PX ConverterEM units converted to pixels at a parent font sizeFREEVW to PX ConverterViewport-width units converted to pixelsFREEBinary CalculatorBinary arithmetic with decimal equivalentsFREEHex Calculatoradds, subtracts, multiplies and divides hexadecimal numbersFREEIPv4 to IPv6 Converterconverts an IPv4 address to its mapped IPv6 formFREEMAC Address Generatorgenerates random MAC addresses for testing and lab setupsFREEMAC Address Formatternormalizes MAC addresses between colon, hyphen and dot stylesFREEUser Agent Parserparses any user agent string into browser, OS and deviceFREEHTTP Status Code Lookupexplains the meaning of any HTTP status codeFREEMIME Type Lookupfinds the MIME type for any file extensionFREEHTML Entity Lookupsearches HTML entities by name, character or code pointFREECSS Specificity Calculatorscores any CSS selector's specificity with a breakdownFREECSS Flexbox Generatorbuilds flexbox layouts visually with live preview and CSSFREECSS Animation Generatorbuilds CSS keyframe animations with live previewFREECSS Filter Generatorbuilds CSS image filters with sliders and live previewFREECSS Transform Generatorbuilds CSS transforms with rotate, scale, skew and translateFREECSS Loader Generatorgenerates CSS loading spinners with preview and codeFREENeumorphism Generatorbuilds neumorphic soft-UI shadows with live previewFREEQR Code Readerdecodes QR codes from uploaded images in your browserFREEEAN Check Digit Calculatorcomputes and validates EAN barcode check digitsFREEISBN Validatorvalidates ISBN-10 and ISBN-13 check digitsFREECredit Card Validatorvalidates card numbers with the Luhn check and brand detectionFREEIBAN Validatorvalidates IBANs with the official mod-97 checkFREEEmail Validatorvalidates email syntax and suggests domain typo fixesFREEPhone Number Formatternormalizes phone numbers toward E.164 international formatFREEFake Test Data Generatorgenerates realistic fake identities for testing and demosFREETest Credit Card Generatorgenerates Luhn-valid test card numbers for developmentFREERandom IP Generatorgenerates random IPv4 addresses for testing and labsFREERandom Date Generatorgenerates random dates within a chosen rangeFREERandom Hex String Generatorgenerates random hex strings of any chosen lengthFREECoin Flipflips a fair virtual coin with a running heads/tails tallyFREEPIN Generatorgenerates random numeric PINs of any lengthFREETOTP Authenticator Code Generatorgenerates time-based authenticator codes from your secretFREEResponsive Viewport Testerpreviews a URL at phone, tablet and desktop widthsFREEJSON to Markdown Converterconverts JSON arrays of objects into Markdown tablesFREEMarkdown Table Generatorbuilds Markdown tables from chosen rows and columnsFREEKeyboard Event Testershows key, code and modifiers for pressed keysFREESVG Pattern Generatorbuilds tiled SVG pattern code with a live previewFREE

Image & Design

Editors, converters and makers for images, colours, logos and graphics.

72 tools

Image Compressorshrinks image file size with a quality slider & live previewFREEImage Resizerresizes images to exact dimensions or by percentage, in-browserFREEPNG to JPG Converterconverts PNG files to compact JPGs with a background choiceFREEJPG to PNG Converterconverts JPG files to lossless PNG for editing and graphicsFREEImage to Base64 Converterturns an image file into a Base64 string and a ready data URIFREEQR Code Generatorcreates scannable QR codes for links, text and Wi-Fi detailsFREEFavicon Generatorbuilds a full favicon set from a letter or an image, with the HTMLFREECSS Gradient Generatordesigns linear and radial gradients and outputs the CSSFREECSS Box Shadow Generatordesigns layered box shadows with sliders and presetsFREEHex/RGB Color Convertertranslates colours between hex, RGB and HSL with a live swatchFREECSS Border Radius Generatorshapes rounded corners and organic blobs, then outputs the CSSFREEColor Contrast Checkertests colour pairs against WCAG accessibility contrast standardsFREEAspect Ratio Calculatorsimplifies ratios and finds missing dimensions for images and videoFREEImage Color Pickersamples exact colours from images and extracts a paletteFREEImage Croppercrops images with a draggable selection and preset ratiosFREESVG to PNG Converterrasterises SVG files or code into PNGs at exact sizesFREEMeme Generatoradds classic top and bottom captions to images, watermark-freeFREEBarcode Generatorcreates scannable CODE128 barcodes as PNG or SVG downloadsFREEImage Watermark Toolstamps customisable text watermarks onto images before sharingFREEImage to ASCII Art Converterturns images into copyable ascii art, fully in-browserFREEImage Splittersplits images into grid tiles for carousels and mosaicsFREEPassport Photo Makercrops passport and id photos to official print sizesFREERounded Image Corners Toolrounds image corners and downloads a transparent pngFREEPixel Art Makera tiny pixel art editor with png exportFREEPlaceholder Image Generatorgenerates placeholder images at any size and colourFREEImage EXIF Viewerreads the exif metadata hidden inside your photosFREEWebP to PNG Converterconverts webp images to universally supported pngFREEImage Rotatorrotates and flips uploaded images in your browserFREEImage Filter Editoredits uploaded photos with brightness, contrast and filter slidersFREEImage to WebP Converterconverts uploaded images to WebP format in your browserFREEWebP to JPG Converterconverts WebP images to JPG format in your browserFREEBMP to PNG Converterconverts BMP images to PNG format in your browserFREEAVIF to PNG Converterconverts AVIF images to PNG format in your browserFREEImage Metadata Removerstrips EXIF and metadata from images on re-exportFREEImage Collage Makercombines multiple images into one collage layoutFREEImage Compare Slidercompares two images with a draggable before/after sliderFREEScreen Color Pickerpicks any on-screen colour via the EyeDropper APIFREEColor Blindness Simulatorsimulates colour blindness types on uploaded imagesFREEColor Name Finderfinds the nearest named colour for any hex valueFREEColor Shades Generatorgenerates shade and tint scales from one base colourFREEColor Mixermixes two colours at a chosen ratioFREEDuotone Image Effectrenders uploaded photos as two-colour duotone imagesFREEPixelate Image ToolTurn photos into mosaic pixel art instantlyFREEImage Border and Frame AdderFrame any photo with a border in secondsFREESimple Logo MakerDesign a clean text logo in minutesFREEBusiness Card MakerDesign a business card without design softwareFREESocial Media Post MakerCreate square social posts that stand outFREEYouTube Banner MakerMake channel art that fits YouTube properlyFREECertificate MakerDesign a certificate worth framingFREEInvitation Card MakerDesign invitations people actually reply toFREEID Card MakerDesign clean ID badges for teams and eventsFREEFlowchart MakerTurn a process into a flowchart anyone can followFREEMind Map MakerBrainstorm outward from one central ideaFREETimeline MakerLay out events in order so history makes senseFREEChart and Graph MakerTurn pasted numbers into a chart in secondsFREEComic Strip MakerTell a short story in comic panelsFREEAvatar MakerBuild a profile avatar that looks like you, roughlyFREESticker MakerTurn any image into a sticker with a white outlineFREEGreen Screen Background RemoverRemove green screen backgrounds with chroma-keyFREEGIF MakerTurn a few images into an animated GIFFREESVG EditorEdit SVG code and see it live instantlyFREESVG OptimizerShrink SVG files without changing how they lookFREESeamless Tile GeneratorGenerate patterns that tile without visible seamsFREEPencil Sketch Effect GeneratorTurn photos into pencil sketches in one clickFREEPoster MakerDesign posters that read from across the roomFREEInfographic MakerTurn data points into a visual storyFREEImage AnnotatorMark up screenshots with arrows, boxes and notesFREEDevice Mockup GeneratorShow screenshots inside realistic device framesFREEColor Palette from ImagePull a working colour palette out of any photoFREEGradient Image GeneratorExport a gradient as a PNG image, not just CSSFREETransparent PNG GeneratorGenerate a blank transparent PNG at any sizeFREEOn-Screen RulerMeasure anything on your screen in pixelsFREE

Converters & Utilities

File, unit and format converters plus everyday utilities that run in your browser.

75 tools

CSV to JSON Converterturns CSV rows into a clean JSON array using your headersFREEJSON to CSV Converterexports JSON arrays as clean, correctly-quoted CSV filesFREEXML Formatter & Beautifierpretty-prints, validates and minifies XML safelyFREEMarkdown Editor & Previewedits Markdown with a live preview, toolbar and HTML exportFREEUnit Converterconverts length, weight, temperature, volume, area and speedFREEText to Speech Readerreads any text aloud with voice, speed and pitch controlsFREETyping Speed Testmeasures your typing speed (WPM) and accuracy in one minuteFREEYouTube Thumbnail Downloaderfetches HD, SD and small thumbnails from any YouTube videoFREEBrowser Info Toolshows your browser, OS, screen, language and public IP at onceFREEScreen Resolution Checkershows resolution, viewport, aspect ratio and pixel ratio liveFREEPomodoro Timerruns 25-minute focus sessions with structured breaksFREETime Zone Converterconverts times between zones with live world clocksFREERandom Name Pickerdraws fair random winners from any list of namesFREEDice Rollerrolls any dice set with totals, modifiers and advantageFREEClick Speed Test (CPS)measures your clicks per second over 5, 10 or 30 secondsFREEReaction Time Testmeasures your visual reaction time in millisecondsFREEText to Hex Converterconverts text to hex and hex back to text, utf-8 safeFREECaesar Cipher Toolencodes and decodes caesar shift ciphers with rot13FREEBraille Translatortranslates english text into grade 1 braille patternsFREEIP Subnet Calculatorcalculates network, broadcast, hosts and ranges from cidrFREEPassword Strength Checkerestimates password entropy and crack time, fully privateFREEWiFi QR Code Generatormakes wifi qr codes guests can scan to connectFREEJPG to PDF Convertercombines images into a single pdf in your browserFREESpin the Wheelan animated picker wheel for names, prizes and choicesFREENumber to Words Converterspells numbers in english words for cheques and documentsFREEWords to Numbers ConverterTurn written numbers into digits instantlyFREEDecimal to Fraction ConverterTurn decimals into simplified fractionsFREEFraction to Percentage ConverterTurn fractions into percentages in secondsFREEDate Format ConverterRewrite any date in the format you needFREEMorse Code Audio GeneratorHear your message played as Morse code beepsFREEXML to YAML ConverterConvert XML documents into clean YAMLFREEYAML to XML ConverterConvert YAML documents into XMLFREECSV to YAML ConverterTurn spreadsheet rows into YAML recordsFREETSV to CSV ConverterConvert tab-separated data into CSV formatFREEMarkdown to Plain Text ConverterStrip Markdown down to clean plain textFREEHTML to Plain Text ConverterStrip HTML tags down to readable plain textFREEText to HTML ConverterTurn plain paragraphs into clean HTML markupFREEBBCode to HTML ConverterConvert forum BBCode into clean HTMLFREEImage to Text OCRExtract text from images with OCRFREECron Expression ExplainerRead any cron schedule in plain EnglishFREEPassphrase GeneratorGenerate passphrases you can actually rememberFREENanoID GeneratorGenerate compact NanoID identifiers instantlyFREEULID GeneratorGenerate timestamp-ordered ULID identifiersFREERandom String GeneratorGenerate random strings from your own character setFREEOnline Screen RecorderRecord your screen without installing softwareFREEOnline Webcam RecorderRecord webcam video in your browser and download it as a file.FREEMP3 to WAV ConverterConvert MP3 audio to uncompressed WAV format in your browser.FREEAudio TrimmerTrim an audio clip to a start and end time, right in your browser.FREEAudio Speed ChangerChange audio playback speed and see the new duration instantly.FREESRT to VTT ConverterConvert SRT subtitles to WebVTT format for HTML5 video players.FREEPoints to Pixels ConverterConvert print points to screen pixels at any DPI setting.FREEText to PDF ConverterTurn plain text into a downloadable PDF file in your browser.FREEHTML to PDF ConverterConvert pasted HTML into a downloadable PDF document in your browser.FREEZIP File CreatorBundle several text files into one downloadable ZIP archive.FREEZIP File ViewerList the files inside a ZIP archive without extracting it.FREEFile Hash CheckerCheck the SHA-256 hash of a file or any typed text, in your browser.FREEFile Type CheckerDetect a file real type from its magic bytes, not its extension.FREEHTML Tag ValidatorFind unclosed and mismatched tags in pasted HTML code.FREEHex File ViewerView any text or file bytes as a readable hex dump in your browser.FREEvCard GeneratorBuild a downloadable vCard contact file from a simple form.FREECalendar Event File GeneratorBuild a downloadable .ics calendar event file from a simple form.FREEWhatsApp Chat Link GeneratorBuild a wa.me chat link that opens WhatsApp with your message ready.FREETelegram Link GeneratorBuild a t.me link that opens a Telegram chat with your message ready.FREEMailto Link GeneratorBuild a mailto link with subject and message already filled in.FREESMS Link GeneratorBuild an sms link that opens a text message with body prefilled.FREEGoogle Maps Link GeneratorBuild a Google Maps search or directions link for any place.FREEYouTube Embed Code GeneratorTurn any YouTube URL into a ready-to-paste embed iframe code.FREEPayPal Button GeneratorBuild PayPal buy or donate button HTML for your website.FREEBitcoin Address ValidatorValidate a Bitcoin address with Base58Check checksum verification.FREEEthereum Address ValidatorValidate an Ethereum address and check its EIP-55 checksum.FREEHabit TrackerTrack daily habits with a simple checklist saved in your browser.FREEExpense TrackerLog spending with totals, saved in your browser, no account needed.FREETo-Do List AppA simple task list saved in your browser, with done markers.FREEBase64 to Image ConverterTurn a Base64 string back into a viewable, downloadable image.FREESVG to JPG ConverterConvert SVG code to a JPG image, with size detected automatically.FREE

SEO & Webmaster

Meta, sitemap, schema and audit tools to keep a site search-ready.

42 tools

Word Countercounts words, characters, sentences and reading time as you typeFREECharacter Countertracks characters against a limit, with and without spacesFREEKeyword Density Checkermeasures how often a keyword or phrase appears in your copyFREEMeta Tag Generatorbuilds ready-to-paste SEO and social meta tags from a simple formFREEMeta Title & Description Length Checkerchecks title and description lengths with a search-result previewFREESlug Generatorconverts titles into clean, URL-safe slugs instantlyFREERobots.txt Generatorbuilds a valid robots.txt with allow, disallow and sitemap rulesFREESchema Markup Generatorcreates valid JSON-LD structured data for rich search resultsFREEUTM URL Builderassembles properly encoded UTM campaign links for analyticsFREEReadability Checkerscores your writing with Flesch ease and grade-level measuresFREEKeyword Combinermerges keyword lists into every combination for campaignsFREEHreflang Tag Generatorbuilds correct hreflang tags for multilingual site versionsFREEXML Sitemap GeneratorBuild an XML sitemap from a pasted list of URLs, ready to submit.FREESitemap ValidatorCheck a sitemap for valid URLs and structural problems.FREEOpen Graph Meta GeneratorBuild Open Graph tags so links to your page look right on social.FREECanonical Tag GeneratorBuild a canonical link tag that points search engines to one URL.FREEGoogle SERP PreviewPreview how your title, URL, and description look in search results.FREESEO Content AnalyzerAnalyse content for headings, keyword use, links, and readability.FREEHeading Structure CheckerExtract the H1 to H6 outline from pasted HTML in reading order.FREELink AnalyzerList internal and external links with anchors from pasted HTML.FREEImage Alt Text CheckerFind images with missing or empty alt text in pasted HTML.FREEMeta Robots Tag GeneratorBuild a robots meta tag to control indexing and following.FREEJSON-LD Schema ValidatorValidate pasted JSON-LD structured data for context and type.FREEContent Brief GeneratorBuild a structured content brief outline from a target keyword.FREEBlog Post Outline GeneratorBuild an H2 and H3 blog outline from any topic in seconds.FREEAnchor Text Variation GeneratorGenerate natural anchor text variations for any keyword.FREESocial Share Link GeneratorBuild Facebook, X, and LinkedIn share links for any page URL.FREEDomain Name GeneratorSuggest domain-style names from keywords, for brainstorming only.FREEAds.txt GeneratorBuild an ads.txt file declaring your authorised ad sellers.FREESecurity.txt GeneratorBuild a security.txt file with contact and expiry details.FREEHumans.txt GeneratorBuild a humans.txt file crediting the people behind a site.FREEWeb App Manifest GeneratorBuild a PWA manifest JSON file for installable web apps.FREEBrowserconfig GeneratorWindows tile browserconfig XML builder for your siteFREERSS Feed GeneratorRSS 2.0 feed XML builder from a pasted post listFREEPodcast RSS GeneratorPodcast RSS feed builder with audio enclosuresFREECookie Consent Banner GeneratorConsent banner code snippet with position and coloursFREEPrivacy Policy GeneratorTemplate privacy policy built from your site detailsFREETerms & Conditions GeneratorTemplate terms and conditions from your business detailsFREEDisclaimer GeneratorTemplate disclaimer built from your site and content typeFREECookie Policy GeneratorTemplate cookie policy describing your cookie useFREEOutreach Email GeneratorGuest-post and link outreach email draftsFREESEO Audit ChecklistInteractive on-page audit checklist with score reportFREE

Everyday & Lifestyle

Planners, quizzes, games and daily-life helpers — free, no sign-up.

40 tools

Breathing Exercise TimerGuided inhale, hold and exhale breathing cyclesFREE20-20-20 Eye Strain Timer20-20-20 timed eye-break reminders for screen workFREEDaily Affirmation GeneratorFirst-person positive affirmations for each dayFREEGratitude JournalDaily gratitude entries stored privately in your browserFREEMood TrackerDaily mood log with a simple chart, saved in browserFREEWater Drink ReminderTimed drinking reminders with a daily glass trackerFREEWorkout PlannerWeekly workout plan builder by goal and training daysFREEWeekly Meal Planner7-day meal plan by diet, breakfast lunch and dinnerFREEGrocery List MakerShopping list with quantities and categories, savedFREEPacking List GeneratorTrip-type packing checklist with tick-off progressFREETravel Budget PlannerTrip cost from days, daily spend, stay and transportFREEFlight Time CalculatorFlight duration from local times and time zonesFREEJet Lag Recovery CalculatorRecovery days from zones crossed and directionFREEPlant Watering ReminderNext watering date by plant type and last wateringFREEStudy PlannerWeekly study timetable from subjects and hoursFREEFlashcard MakerQuestion and answer cards with flip quiz modeFREEMultiplication Table GeneratorTimes tables reference for any number to 12FREESpelling Practice QuizSpelling drills from a tricky word list with scoringFREEMath Quiz GeneratorRandom arithmetic problems with scoringFREEPeriodic Table ExplorerInteractive element data with searchFREECountry Capital QuizCapital-city questions with instant scoringFREEFlag QuizIdentify countries by their flags with scoringFREEZodiac Sign CalculatorWestern zodiac sign from birth dateFREEChinese Zodiac CalculatorYear-based Chinese zodiac animal signFREEBirthstone FinderBirthstone by birth month with meaningFREELucky Number CalculatorNumerology number from name and birth dateFREEDream Meaning DictionaryMeanings from a curated dream-symbol listFREEDaily Horoscope GeneratorTemplated daily horoscope text for your signFREETarot Card ReaderRandom tarot cards with meanings, past present futureFREEFortune Cookie GeneratorShort fortune messages in a virtual cookieFREEMagic 8 BallClassic yes or no fortune ball answersFREERock Paper Scissors GamePlay rock paper scissors against the computerFREETic Tac Toe GamePlayable noughts and crosses against the computerFREEMemory Match GameCard-matching game with eight pairs to findFREESnake GameClassic snake game with arrow controlsFREEMinesweeper GamePlayable minesweeper on a 9×9 boardFREESudoku GeneratorSudoku puzzles with a solverFREECrossword HelperWord-pattern solver from an embedded word listFREEWord Search Puzzle GeneratorWord-search grids from a word listFREEHangman GameWord-guessing game with six livesFREE
Every tool here processes your input locally in your browser wherever that is technically possible — text, code, images and files are not uploaded to our servers. That is a deliberate design choice: tools should be fast, private and free, in that order. If a tool saves you time today, the collection has done its job.