Calculators
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Narzędzia znacznika czasu 8
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Current Unix czasuLive clock showing Unix time in seconds and milliseconds.Konwerter znacznika czasu to datyTurn a timestamp (s/ms/µs) into a formatted date instantly.Konwerter daty to znacznika czasuConvert a calendar date & time into Unix epoch seconds.Konwerter MillisecondsConvert milliseconds to seconds, minutes, hours and days.Kalkulator czasu DifferenceDistance between two timestamps or dates in every unit.From UNIX znacznika czasuConverts a UNIX timestamp to a datetime string. e.g. 978346800 becomes Mon 1 January 2001 11:00:00 UTC A UNIX timestamp is a 32-bit value representing the number of seconds since January 1, 1970 UTC (the UNIX epoch).To UNIX znacznika czasuParses a datetime string in UTC and returns the corresponding UNIX timestamp. e.g. Mon 1 January 2001 11:00:00 becomes 978346800 A UNIX timestamp is a 32-bit value representing the number of seconds since January 1, 1970 UTC (the UNIX epoch
Narzędzia daty i godziny 10
Konwerter daty FormatRender any date in ISO, RFC, locale and custom formats.Days Between datCount days (and weeks/months) between two calendar dates.Kalkulator daty Add SubtractAdd or subtract days, weeks, months from a date.Konwerter podsieciCompare times across world timezones instantly.Weryfikator tygodnia YearCheck whether a year is a leap year and why.Kalkulator roku przestępnegoExact age in years, months, days, hours and total days.
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Kalkulator ISO strefy czasowej liczbyFind the ISO-8601 week and weekday of any date.Get czasuGenerates a timestamp showing the amount of time since the UNIX epoch (1970-01-01 00:00:00 UTC). Uses the W3C High Resolution Time API.Parse DateTimeParses a DateTime string in your specified format and displays it in whichever timezone you choose with the following information: Date Time Period (AM/PM) Timezone UTC offset Daylight Saving Time Leap year Days in this month Day of year WeTarPacks the input into a tarball. No support for multiple files at this time.
Narzędzia liczbowe 13
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Konwerter dziesiętnego procentu szesnastkowego LiveEdit hex, dec, oct and bin simultaneously — all stay in sync.Konwerter Roman NumeralConvert between Roman numerals and Arabic numbers.Konwerter liczby to WordsSpell out numbers in English words (cheques, captions).Kalkulator losowychPercent of, increase/decrease and ratio problems.Generator wieku liczbyCryptographically random integers in any range.Formatowanie liczbyThousands separators and fixed decimals for any locale.Kalkulator silniExact big-integer factorials.Kalkulator GCD & LCMGreatest common divisor and least common multiple of a list.Weryfikator liczb pierwszych liczbyTest primality and show the smallest factor.Convert data unitsConverts a unit of data to another format.Convert distanceConverts a unit of distance to another format.dwójkowego tekstu FormatAdds Unicode combining characters to change formatting of plaintext.
Narzędzia UUID 7
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Generator UUID v7Time-ordered sortable UUIDs for databases.Generator ULID26-character lexicographically sortable unique IDs.Generator GUIDMicrosoft-style bracketed GUIDs.Walidator UUIDValidate a UUID/GUID and detect its version & variant.Generate all checksumsGenerates all available checksums for the input.Generate UUIDGenerates an RFC 9562 (formerly RFC 4122) compliant Universally Unique Identifier (UUID),
Konwertery jednostek 25
Konwerter długościConvert metres, kilometres, centimetres, inches, feet, yards, miles and nautical miles.Konwerter wagiConvert kilograms, grams, tonnes, pounds, ounces, stones and carats.Konwerter temperaturyConvert Celsius, Fahrenheit, Kelvin and Rankine with the formulas shown.Konwerter objętościConvert litres, millilitres, US and imperial gallons, cups, pints, quarts and fluid ounces.Konwerter prędkościConvert km/h, mph, metres per second, knots, feet per second and Mach number.Konwerter powierzchniConvert square metres, hectares, acres, square feet, square inches and square miles.
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Konwerter ciśnieniaConvert pascbar, psi, atm, torr, mmHg, kgf/cm² and inches of mercury.Konwerter energiiConvert joules, kilowatt-hours, calories, kilocalories, BTU, electronvolts and tonnes of oil equivalent.Konwerter mocyConvert watts, kilowatts, mechanical and metric horsepower, BTU/h and kcal/h.Konwerter kątaConvert degrees, radians, gradians, arcminutes, arcseconds and turns.Konwerter czasu czasu trwaniaConvert nanoseconds to centuries: seconds, minutes, hours, days, weeks, months and years.Konwerter danych pamięciConvert bits, bytes and SI versus IEC multiples — kB, MB, GB, KiB, MiB, GiB, TiB.Konwerter Typography UnitConvert CSS px, pt, pc, mm, cm, in, Q and didot/cicero at the standard 96 dpi reference.Konwerter końca liniiConvert hertz, kilohertz, megahertz, gigahertz, RPM and radians per second.Konwerter danych RateConvert bandwidth between bit/s, kbit/s, Mbit/s, Gbit/s and byte-per-second units including IEC multiples.Konwerter ForceConvert newtons, kilonewtons, dynes, kilogram-force, pound-force, ounce-force, poundals and kips.Konwerter TorqueConvert newton-metres, kgf·m, kgf·cm, lbf·ft, lbf·in, ozf·in and dyne-centimetres.Konwerter DensityConvert kg/m³, g/cm³, g/mL, lb/ft³, lb/in³ and tonnes per cubic metre.Konwerter Radiation DoseConvert gray, rad, sievert and rem including milli and micro prefixes.Konwerter ViscosityConvert dynamic viscosity between Pa·s, mPa·s, centipoise, poise and lbf·s/ft².Konwerter LuminanceConvert cd/m², nits, lamberts, foot-lamberts, stilbs and cd/cm².Konwerter IlluminanceConvert lux, kilolux, phot, foot-candles and lumens per square foot.Convert areaConverts a unit of area to another format.Convert massConverts a unit of mass to another format.Convert speedConverts a unit of speed to another format.
Matematyka i statystyka 19
Kalkulator statystykiMean, median, mode, range, variance, standard deviation, standard error, quartiles and IQR from a list of numbers.Kalkulator percentylaCompute any percentile of a data set with linear interpolation, plus all deciles.Kalkulator korelacjiPearson and Spearman correlation, r², and the least-squares regression line for paired data.Kalkulator kombinacjiC(n,r) with exact BigInt arithmetic and a list of the actual combinations for small inputs.Kalkulator permutacjiP(n,r) ordered arrangements computed exactly with BigInt — no floating point rounding.Kalkulator liczb pierwszych FactorizationBreak any integer into prime factors and list every divisor with the divisor count.
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Weryfikator liczb pierwszych liczbyTest whether a number is prime and, if not, show its smallest divisors and divisor count.Primes Up To NList every prime number up to a limit, with the count.Kalkulator Math odległościEvaluate arithmetic expressions with correct precedence, powers, factorials, functions and constants.Kalkulator ułamekSimplify fractions, convert decimals to exact fractions and add, subtract, multiply or divide them.procentu to ułamekConvert any decimal to its exact simplest fraction using continued-fraction search with a tolerance.Add and Subtract FractionsAdd, subtract, multiply or divide fractions with the common denominator and GCD reduction shown.Drop bytesCuts a slice of the specified number of bytes out of the data. Negative values are allowed.MeanComputes the mean (average) of a number list. If an item in the string is not a number it is excluded from the list. e.g. 0x0a 8 .5 .5 becomes 4.75Rotate leftRotates each byte to the left by the number of bits specified, optionally carrying the excess bits over to the next byte. Currently only supports 8-bit values.Rotate rightRotates each byte to the right by the number of bits specified, optionally carrying the excess bits over to the next byte. Currently only supports 8-bit values.SleepSleep causes the recipe to wait for a specified number of milliseconds before continuing execution.Standard DeviationComputes the standard deviation of a number list. If an item in the string is not a number it is excluded from the list. e.g. 0x0a 8 .5 becomes 4.089281382128433Take bytesTakes a slice of the specified number of bytes from the data. Negative values are allowed.
Walidatory i sumy kontrolne 15
Walidator Card liczbyValidate a card or IMEI with the Luhn algorithm, detect the brand and derive the missing check digit.Walidator ISBNCheck ISBN-10 and ISBN-13 check digits and compute the correct one for a truncated ISBN.Walidator Barcode Check DigitValidate EAN-8, EAN-13, UPC-A and ITF-14 barcodes and see the weighted sum step by step.Walidator IBANValidate an IBAN with MOD-97, check the national length and show the rearranged calculation.Walidator SWIFT BICCheck an ISO 9362 BIC and split it into institution, country, location and branch codes.Weryfikator VINValidate a 17-character vehicle VIN check digit and decode region, year and plant positions.
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Walidator Mod-11 Check DigitValidate ISSN, ISMN, ORCID and other mod-11 identifiers, with the weighted sum shown.Walidator LEIValidate an ISO 17442 Legal Entity Identifier with the ISO 7064 MOD 97-10 scheme.Walidator Verhoeff CheckApply the Verhoeff dihedral-group checksum that catches all single-digit and all transposition errors.Walidator Damm CheckRun the Damm quasigroup checksum, which detects every single-digit error and adjacent transposition.Konwerter Latitude LongitudeConvert between decimal degrees and degrees-minutes-seconds, with hemisphere and UTM zone hints.Caret M-decodeDecodes caret or M-encoded strings, i.e. ^M turns into a newline, M-^] turns into 0x9d. Sources such as `cat -v`. Please be aware that when using `cat -v` ^_ (caret-underscore) will not be encoded, but represents a valid encoding (namely thFletcher-16 zapytaniaThe Fletcher checksum is an algorithm for computing a position-dependent checksum devised by John Gould Fletcher at Lawrence Livermore Labs in the late 1970s. The objective of the Fletcher checksum was to provide error-detection properties Fletcher-32 zapytaniaThe Fletcher checksum is an algorithm for computing a position-dependent checksum devised by John Gould Fletcher at Lawrence Livermore Labs in the late 1970s. The objective of the Fletcher checksum was to provide error-detection properties Fletcher-64 zapytaniaThe Fletcher checksum is an algorithm for computing a position-dependent checksum devised by John Gould Fletcher at Lawrence Livermore Labs in the late 1970s. The objective of the Fletcher checksum was to provide error-detection properties