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Random Number Generator Online
The online random number generator supports the generation of random integer values and random floating-point values. When unique is specified, all generated random numbers are not repeated.
Countdown Timer Online
Countdown timer online supports online countdown. After the countdown, you can set the sound of playing alarm.
CRC Calculation Online
The cyclic redundancy check calculation function of CRC8, CRC16, CRC32 and crc64 is provided to detect or verify possible errors after data transmission or saving. It uses the principle of division and remainder to detect errors. When calculating, pay attention to different algorithms (including polynomial, initial value, whether to reverse, etc.), and the calculation results will be different.
BMI Index Calculator
Online free BMI index calculator provides BMI index calculation, introduction of BMI calculation formula and display of BMI normal value range.
Shelf Life Calculator Online
Shelf-life calculator online, input the production date, shelf-life duration, calculate the expiration time of the shelf-life of commodities, food, drugs and other items, and whether it expires.
Emoticons Collection Online
Online emoticons collection, displaying cute and interesting text expression emoji, supporting one-click copying.
Chinese Lunar Time Converter Online
The online chinese time conversion tool converts twelve units and ninety-six quarters into corresponding times, and converts time into corresponding units and quarters.
Image Ascii Converter Online
Online image ascii convert tool that converts images into ASCII characters, supporting the generation of color and black and white character images. Support setting size, using characters, flipping, background and other image-ascii parameters.
Batch Unit Conversion Online
Online batch unit conversion tool, input a set of data for batch unit conversion. Support batch conversion of multiple units such as length, capacity, quality, area, data, time, temperature, speed, etc.
HTML Beautify and Minify
HTML beautify tools and minify tools online provide one click HTML beautification function and one click HTML minimization function.
RC6 Encryption and Decryption Online
The online RC6 encryption and decryption tool provides online RC6 encryption and decryption test. The encryption and decryption supports five encryption modes: CBC, CFB, OFB, CTR and ECB, and the input and output supports three formats: hex, string and base64.
CSS Length Unit Converter
CSS length unit convert tool online that supports the conversion of values between CSS units such as px, pt, pc, in, mm, cm, Q, em, rem, vw, vh and other units.
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Flip Coin Online
Online coin flip tool, randomly flip coins to see if the result is heads or tails.
Ruler Online
Online ruler tool, supports measuring length online using centimeter ruler, inch ruler, and chinese chi ruler. Support setting parameters such as scale, ruler color, etc.
View and Remove Image Metadata Online
Online image metadata viewing and removal tool, supports viewing and removing various metadata information such as EXIF, GPS, IPTC, XMP, JFIF, etc. of images, and supports multiple image formats such as JPEG, JPG, PNG, WEBP, GIF, SVG, etc. This tool supports batch viewing and removal of image metadata.
CMAC Calculate Online
Online CMAC (Cipher based Message Authentication Code) calculation tool, supporting the use of AES, DES, SM4 and other algorithms to calculate CMAC values. Input and output support string, hex, base64, binary formats.
Electronic Wooden Fish Online
Online electronic wooden fish tool, supporting setting wooden fish color, tapping sound effects, automatic tapping and other parameters.
Geodetic Latitude to Geocentric Latitude Converter Online
Online tool for converting geodetic latitude to geocentric latitude, supporting the conversion between geodetic latitude and geocentric latitude. This tool supports latitude batch conversion, with latitude units supporting degrees, radians, and degrees, and supports selecting or customizing ellipsoid parameters. The conversion result can be downloaded locally.
Coordinate Unit Converter Online
Online coordinate unit conversion tool that supports inputting 2D (XY or BL) coordinates, 3D coordinates (XYZ or BLH), 4D coordinates (XYZT, BLHT), and converting the units of length, angle, or time of the coordinates. This tool supports batch conversion of coordinate units, and the conversion results can be downloaded.
DateTime Type Converter Online
Online datetime type conversion tool, supporting TAI time, UTC time, GPS time (GPST), Beidou time (BDT), Unix timestamp, and local time conversion. This tool supports batch conversion, and the conversion results can be downloaded locally.
Random Roll Call Online
Online random roll call tool, fill out a list, and randomly call. Support setting list grouping, randomly selecting multiple results at once, and allowing multiple parameters such as duplicate extraction.
Batch Image Rotate Online
Online batch image rotation tool, supporting batch rotation of images in jpeg, jpg, webp, png, and svg formats. Supports arbitrary rotation angle settings, and the rotated images can be downloaded locally.
Random Name Generator Online
Online random name generator, generating random names online, supporting dozens of languages such as Chinese, English, French, Japanese, etc. It supports setting gender, number of generated names, surname, first name, and other parameters.
Data Process Online
Online data processing tool that supports opening text files and Excel spreadsheets, using custom JavaScript to process data, and downloading processing results as text files and Excel spreadsheets.
