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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.
Stopwatch Online
Online stopwatch timer supports online stopwatch timing, millisecond time, pause, mark and download functions.
Morse Code Convert Online
Morse Code Convert Online supports encoding text (including Chinese) into Morse code and decoding Morse code into ordinary text. Text supports all unicdoe characters.
Unit Converter Online
Unit converter online supports the conversion of multiple units such as length, weight, area, volume data.
Image Base64 Converter
Converts the selected picture to a Base64 string, or converts the specified Base64 string to a picture. The converted string contains MIME type, which can be used directly by the front end. If you need to get a pure Base64 string that does not contain mime, use the File base64 converter.
Sudoku Generator Online
Online Sudoku generator, generates Sudoku tables online, supports selecting multiple difficulty modes, and can complete Sudoku games online or print locally.
Lunar and Solar Calendar Converter
The lunar and solar calendar conversion tool provides online Chinese lunar calendar to solar calendar, and solar to Chinese lunar calendar functions.
MD5 Encryption
Calculate the MD5 hash value of the text, and the output result is expressed in HEX string and Base64 format. The input text will be converted into byte array using the selected character set, and then the MD5 hash value of the binary data will be calculated, and then the hash value will be expressed as HEX string and Base64 string.
Intelligent Image Matting Online
The online intelligent image matting tool supports online one click matting of portraits or main objects in the picture, and supports setting the background of objects.
Surface Area Calculator Online
Online surface area calculator, supporting the calculation of surface areas for dozens of geometric shapes such as rectangles, cubes, cylinders, cones, and triangular cones, and displaying corresponding surface area calculation formulas.
Handwritten Text Generate Online
Online handwritten text generation, input text, generate handwritten text, support multiple different fonts, spacing, color settings, and other parameters. Handwritten text results can be downloaded locally.
Random File Generator Online
Online random file generator, supporting the generation of random files using any byte or specified byte range. Support functions such as setting file size, setting file extension, and batch generation of files.
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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.
Batch Modify Image Size Online
Online batch image size modification tool, supporting batch opening of JPEG, JPG, PNG, and webP images, batch modifying the size of images, and downloading the modified images locally.
Day Calculator
The online day of the year calculator calculates the date of the day and week of the year. Calculate the day and week of the calculation.
Add Watermarks to Batch Images Online
Online batch image watermarking tool, supporting adding watermarks to jpeg, jpg, png, and webp images. Support adding watermarks to batch images, with watermark types supporting both text and images.
Barcode Sacnner Online
Online barcode scanning tool, supporting batch scanning of barcodes in EAN-13, EAN-8, UPC-A, UPC-E, Code 128, Code 39, Code 93, ITF and other code systems. The scanning results can be downloaded locally.
Emoji Encyclopedia Online
Online Emoji Encyclopedia, which lists emojis by category and supports one click copying.
Random Bank Card Number Generator Online
Online random bank card number generation, supporting customized multiple rules for batch generation of bank card numbers, and the generated bank card numbers can be downloaded locally.
Image Hidden Text
Online image hiding text tool, which hides input text in the image and supports password protection for hidden text.
Datetime Format Converter
Online date time format conversion tool that converts date time into various formats such as ISO, RFC, Unix timestamp, UTC, Excel time, etc. Supports single time conversion and batch time conversion.
Percentage Calculator Online
Online percentage calculation, supports various forms of percentage calculation, and the calculation results can be copied with one click.
Chmod Permission Generator Online
Online linux chmod permission generator, using a visual ui interface to generate read, write, and execute permissions for owners, groups, and other users, supporting the setting of SUID, SGID, and Sticky special permissions.
Hide Text Online
An online text hiding tool that hides the ciphertext you want to encrypt within a piece of plaintext, making the ciphertext invisible. This tool supports password protection of ciphertext and decryption of encrypted plaintext.