Popular Recommendation
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.
Unit Converter Online
Unit converter online supports the conversion of multiple units such as length, weight, area, volume data.
Countdown Timer Online
Countdown timer online supports online countdown. After the countdown, you can set the sound of playing alarm.
AES Encryption and Decryption
The online AES encryption and decryption tool provides online AES encryption and decryption test. The encryption and decryption supports six encryption modes: CBC, CFB, OFB, CTR, GCM and ECB, and the input and output supports three formats: hex, string and Base64.
Random Mac Address Generator
The online random MAC address generator supports the generation of 48 bit or 64 bit MAC addresses, and the generation parameters support the setting of case, address format, generation count, limited generation address range, etc.
Count Down the Days Online
Online countdown days, counting the countdown day to a specific date, this tool can generate a countdown day QR code, which can be saved locally or shared with others.
Chinese Zodiac Query Online
Online Chinese zodiac age query tool, which can query Chinese zodiac signs based on age,query age base on chinese zodiac, and year-zodiac reference table.
URLEncode Encoding and Decoding
URLEncode encoding and decoding, convert the characters to be transcoded into hexadecimal, then take 4 bits from right to left (less than 4 bits are processed directly), make one bit every 2 bits, add% in front, and encode into% XY format. It is applicable to the encoding of uniform resource identifier (URI). It is also used to prepare data for "application / x-www-form-urlencoded" mime, and then submit HTML form data through HTTP request.
Nano ID Generator Online
Online Nano ID generator, supports batch generation of Nano IDs, supports custom alphabet, and custom Nano ID length.
User Agent Analysis Online
User agent online analysis. The Chinese name of user agent is user agent, abbreviated as UA. It is a special string header that enables the server to identify the operating system and version used by the customer, CPU type, browser and version, browser rendering engine, browser language, browser plug-in, etc.
CSS Selectors Reference
The CSS selector defines the range of elements that CSS rules apply to. This tool provides a reference manual for CSS universal selectors, type selectors, class selectors, id selectors, combination selectors, attribute selectors, pseudo class selectors, and so on. It also shows the CSS Level that this selector was introduced into.
Latest Online
RTCM3 Data Parsing Online
The online RTCM3 data parsing tool supports the parsing of RTCM3 data from navigation systems such as GPS, Beidou, GLONASS, and Galileo. It can parse RTCM3 basic messages, ephemeris messages, and MSM messages, and allows for the downloading and parsing of results.
Trigonometric Function Calculator Online
Online trigonometric function calculator, supporting trigonometric and inverse trigonometric function calculations. Angle units support degrees and radians, and support setting result accuracy.
JSON to Markdown Table Converter Online
Online JSON to Markdown table tool, supporting the mutual conversion between JSON and Markdown tables. It supports expanding nested objects and arrays of JSON data, and supports escaping special characters in Markdown.
CIDR Aggregate Online
Online CIDR aggregation calculator, supporting the aggregation of multiple IPs or multiple sub-CIDRs into one CIDR, and supporting both IPv4 and IPv6.
JSON Key Rename Online
Online JSON key renaming tool, supports renaming keys of input JSON data, supports lowerCamelCase,UpperCamelCase,lowercase,UPPERCASE,lower_snake_case,UPPER_SNAKE_CASE,kebab-case, There are various renaming methods such as custom renaming rules. Support adding prefixes or suffixes to keys and setting rules for handling key name conflicts.
Number Sort Online
Online number sorting tool that supports sorting a large number of input numbers and supports multiple ways of inputting or extracting numbers. Supports sorting very large integers and very large floating-point numbers.
ChaCha20 Encrypt and Decrypt Online
Online ChaCha20 Encryption and Decryption Tool, supporting ChaCha20, XChaCha20, ChaCha20-Poly1305, and XChaCha20-Poly1305 algorithms for encryption and decryption, with input data formats including string, hex, and base64, and the ability to select from multiple character sets.
Information Entropy Calculator Online
The online information entropy (Shannon entropy) calculator supports calculating the entropy of binary data, text data, and probability distributions, and supports setting the logarithmic base to 2, e, and 10. Support setting result precision.
Protocol Buffers Encode and Decode Online
Online Protocol Buffer Encoding and Decoding Tool, supporting online decoding of protocol buffer data and online encoding of protocol buffer data. Supports opening multiple proto definition files and decoding and encoding multiple messages.
Geohash Encode Decode Online
Online Geohash encoding and decoding tool, supports Geohash encoding and decoding of latitude and longitude positions, supports querying all coordinate points within a specified radius of the center point, and supports querying the closest coordinate point to the center point.
BaseN Encode and Decode Online
Online BaseN encoding and decoding tool, supporting BaseN encoding and decoding of data such as string, hex, base64, files, etc., supporting algorithms such as base2, base8, base16, base32, base64, base58, base85, base91, base100, etc. This tool also supports custom algorithms.
MessagePack and JSON Converter Online
Online Message Pack and JSON conversion tool, supporting the conversion between binary data in Message Pack format and data in JSON text format. Message Pack data supports input formats such as hex, base64, byte arrays, etc.
