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UUID generator online
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Javascript/HTML compression and formatting
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front-end
JSON random generator tool
XML Random Generator Tool
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48-color crayon colors, colored pencil hues
180 common gradient colors
Color Palette Collection
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SVG Compression Tool
Image hosting
Online HTML to JS, JS to HTML converter
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Character generates line characters.
Image compression tool
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RunJS Online Editor
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crx download link parsing
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Online File Size Converter
Native/ASCII Online Conversion Tool
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CSV Random Generator Tool
TSV Random Generation Tool
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Sogou Map Picker
Gaode Map Picker
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Document
HTML Special Characters Table
Keyboard Symbols and Their English Names List
HTTP Response and Request Headers Reference Table
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EASCII Code Chart
HTML/XML Entities Reference Table
JavaScript Special Characters and Their Escape Sequences Chart
GB2312 Chinese character encoding character set table
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Complete List of Special Symbols 2016 Edition
WeChat Mini Program Component Description Sheet
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Base64 Encoding Chart
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Reference of commonly used web fonts
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Magic Bytes Reference Table
PHP Manual
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Python 3.12.0a0 Chinese Documentation
Object Storage Endpoint Query
Periodic table
JavaScript Event Reference
PHP Function Reference Table
Morse code chart
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jQuery documentation
Bootstrap documentation
VueJs documentation
What is JSONP?
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WeChat Payment Development Documentation
WeChat Pay Service Provider Documentation
WeChat Mini Program Development Documentation
Taobao Development Documentation
Alipay Development Documentation
Alipay Smart Store Documentation
Alipay Developer Documentation
Complete List of Android Permissions
What is JSON?
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Free JSON API endpoint
Regular Expression 30-Minute Beginner's Tutorial
HTTP Status Code Lookup
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Explanation of Common Ports
ImageEdit
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Dragon Year exclusive avatar
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Online numerical list summation tool
Online Pi Lookup Tool
Online Monte Carlo method for estimating the value of Pi
Online GCD calculation
HTML Special Characters Table
Keyboard Symbols and Their English Names List
HTTP Response and Request Headers Reference Table
HTTP Request Methods Reference Table
EASCII Code Chart
HTML/XML Entities Reference Table
JavaScript Special Characters and Their Escape Sequences Chart
GB2312 Chinese character encoding character set table
Java/C++/C Language/PHP/Python Operator Precedence Chart
Complete List of Special Symbols 2016 Edition
WeChat Mini Program Component Description Sheet
Common Emoji Symbols/Emoticon Directory
Comprehensive List of Common Special Symbols (2019 Edition)
JS CDN public library
Public DNS
Front-end CDN public resource library
Online HTML to ASP Code Conversion
Online HTML to Perl code conversion
Online HTML to VB.NET Code Converter
Online HTML to JSP code conversion
Online curl to Go language code conversion
Online curl command to Java code
Convert Online curl Command to PHP Language
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Online JSON to Postman converter tool
Online SQL to Postman tool
Online SQL to Form Translator
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Calculate the least common multiple online
Online JSON to Golang Struct
Online URL and Postman Conversion Tool
Online MIME Type Common File Format Chart
Base64 Encoding Chart
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Reference of commonly used web fonts
Online htpasswd Generator
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Online PHP Redirect Code Generator
Online Java Redirect Code Generator
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Online ASPX Redirect Code Generator
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npm domestic resource packages
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Maven domestic package repository
IPv6 Public DNS Resource List
Online Gzip Encryption/Decryption Tool
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PHP Session Data Converter Tool
Online Base32 Encoding/Decoding Tool
Online MD2 Encryption Tool
Online Shake Encryption Tool
Online Keccak Encryption Tool
Online MD4 Encryption Tool
Online User-Agent Random Generator Tool
Online PHP serialization and deserialization
Layui - Classic open-source modular frontend UI framework
Online Perl to Jump Code Generator
Online ASP Redirect Code Generator
Online Python Jump Code Generator
Online generate ASCII art
Magic Bytes Reference Table
Online shield badge generator
Online free UTF-8 encoding tool
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Binary bitwise reverse operation tool
Binary Bitwise Inversion Tool
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Online binary addition, subtraction, multiplication, and division calculator
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Email encryption calculation tool
VMess address resolution calculation tool
SSR/SS IP resolution calculation tool
Subnet Mask Calculator Tool
Type7 decryption calculation tool
CRC-32 encryption calculation tool
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CRC-16 encryption calculation tool
Screen PPI Calculator
Hexadecimal to HSV color conversion tool
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RGB to HSV color conversion tool
HSV to RGB color conversion tool
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CMYK to 16-digit color conversion tool
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Hex to RGB color calculator tool
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HTML encoding tool
HTML Code Unescape Tool
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Convert PNG image to JPG image
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MAC Address Generator Tool
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MySQL Password Generator Tool
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MariaDB password generator
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Online colored text effect generator tool
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Common Rules in Yii2
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HTML/JS/CSS Online Code Filtering Tool
CSV to HTML Table Converter
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Escape encryption tool
Escape decryption tool
Convert Unicode encoding to ASCII encoding
ASCII encoding to Unicode encoding
Online network topology diagram creation
Object Storage Endpoint Query
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Periodic table
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Online curl command to code
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robots.txt online generator
Personal Health Index online inquiry
Online reaction speed test
Gregorian-Lunar calendar conversion
Color blindness/color vision deficiency test
Convert PNG image to WEBP image
Convert webp images to png images
JavaScript Event Reference
PHP Function Reference Table
Morse code chart
Common Color Combinations for Web Design
48-color crayon colors, colored pencil hues
180 common gradient colors
Color Palette Collection
Online vertical text tool
Photo Exif information viewer
Dragon Year exclusive avatar
Convert avif image to png image
Convert AVIF images to JPG images
Convert TIFF image to PNG image
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Convert JFIF image to JPG image
Online TIFF Image Segmentation
Online Markdown Editor
TOML random generator tool
Online font viewer (supports iconfont/woff)
Convert any file to Base64
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SVG Compression Tool
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URL in hexadecimal encryption
Xunlei, FastTrack, and Wind Speed URL Encryption/Decryption Tool
Convert torrent to magnet link
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Systemd Introduction Tutorial: Commands Section
String concatenation (multi-language)
HTTP request simulator
Base64 Encoding/Decoding
Generate a Java entity class from JSON
Image hosting
Javascript/HTML compression and formatting
MD5 encryption
String number comparison
WeChat Public Platform Payment Interface Debugging Tool
jQuery documentation
CamelCase to underscore, underscore to CamelCase
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Online string array sorting tool
CSS minification, formatting
Generate Java code from SQL
Online GIF to frame
MD5 decryption
Regular expression test
XPath test
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Online retrieval of keyboard key values (keycode, ASCII code)
Cron expression generator
DES, AES, etc., symmetric encryption and decryption
Cron expression validation tool
Translation between Chinese and English
Search for images, links, or use XPath to find elements
Online code comparison/merge tool
Text comparison to find differences
Regular Expression Code Generator Tool
WeChat Pay Interface Signature Verification Tool
Bootstrap documentation
Online HTML to JS, JS to HTML converter
Retrieve your IP address
XML sorting, compression, formatting
JSON to C# Entity Class
RSA, RSA2 public and private key encryption and decryption
Online HTML to JS, JS to HTML converter
Remove duplicate strings
Add or remove double quotes in SQL
Online by first letter sorting
Online text recognition
Get QQ's key
SHA encryption
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VueJs documentation
Convert online UEditor rich text editor to Markdown syntax
Retrieve IP information
SQL Compression and Formatting
Escape encoding
Font Awesome icon online lookup
Format verification
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Retrieve file list names through online decompression
Alipay and WeChat payment codes coexist
Search for the origin of a microblog post from a Weibo image
IP geolocation nearby information
Search online for the origin of a WordPress theme template
Translate SQL to CSharp Entity Class
Javascript Eval Encryption and Decryption
PHP deserialization to JSON and code
Free JSON API
JavaScript Encryption Obfuscation
WeChat Enterprise account debugging tool
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Get your browser information
Morse code encryption and decryption
Translate Oracle table to Java entity class
Character generates line characters.
Common User-Agent
JSON sorting
QQ互联API Debug Tool
Online JPG, PNG to SVG converter
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Database Insert, Update Statements Field View
Image compression tool
JSON syntax highlighting
Taobao OAuth2.0 Test Tool
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TCP/IP subnet mask calculation and conversion
Convert properties to YAML.
Generate a music player
XML to JSON conversion
Subnet mask conversion (new)
Text word count, string byte calculation - BeJSON.com
Taobao API Test Tool
WeChat Pay Service Provider Documentation
Convert px to em, convert em to px.
SSL protocol suite detection
YAML/YML Online Editor (Validator)
Online Photoshop
JSON and GET request string interconversion
Domain Name System (DNS) record
Website internal and external link query
Route tracing - Route query tool
Website SEO query
Website certificate query
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Check website header information
Domain Name Server (DNS) query
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Taobao Error Code Lookup Tool
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Excel to Json
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C# code online formatter tool
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PHP code online formatter tool
C Language Code Online Formatting Tool
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Online short URL conversion
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Run Clojure online
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C++ online run (Clang 7.0.1)
Developer self-diagnosis tool
Alipay Smart Store Documentation
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ICO Icon Online Generation Converter Tool
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Python turtle graphics
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RGB color primary and HEX16 conversion
Web safe color
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Free JSON API endpoint
QR code generation and decoding
Online color palette
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HTML5 compatibility test
CSS3 Bezier Curve Tool
CSS3 Keyframe Animation Template
CSS3 Transition Animation Template
Regular Expression 30-Minute Beginner's Tutorial
Digital to Chinese (RMB)
HTTP Status Code Lookup
Online File Size Converter
ASCII Code Chart
HTTP Content Mapping Table
Native/ASCII Online Conversion Tool
Explanation of Common Ports
Html to UBB Code Converter Tool
iPhone/iPad/Android UI Size Specifications
Hanzi to pinyin
SVG code editor preview
Full-width/half-width conversion
Font Awesome vector icon library
Simplified and traditional Chinese to Martian text converter
Popup Window Generator
HTML to Markdown converter tool
Common JS libraries
Video to audio conversion
Online automatic formatting tool
CSS Sprite Generator
Lottie animation online preview
crx download link parsing
Online random password generator
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New House Tax Calculator
Query for housing fund loan limit
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JSON to SQL
JWT decryption/encryption
WebCheck: Network Inspection
Time conversion
International System of Units conversion
Online image pixel size converter
Online length unit conversion
Online temperature unit converter
Online Power Unit Converter
Online Weight Unit Converter
Online Volume Unit Converter
Online Area Unit Converter
Online Pressure Unit Converter
Online all base unit converters
Online angle unit conversion tool
Online stopwatch timer
Online Mind Map
Online Database Design
Online Robot Detection
Online domain information query
Online baby naming generator
Sogou Map Picker
Gaode Map Picker
Latitude and longitude conversion to degrees, minutes, and seconds
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UUID generator online
Online IP Address to Int Conversion
dictionary
dictionary
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Create words.
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rare character
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Online Monte Carlo method for estimating the value of Pi
Online GCD calculation
Calculate the least common multiple online
Binary bitwise reverse operation tool
Binary Bitwise Inversion Tool
Binary bitwise right shift operation tool
Binary bitwise left shift operation tool
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Natural constant e generator
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自然常数,是数学科的一种法则。约为2.71828,就是公式为lim(1+1/x)^x,x→∞或lim(1+z)^(1/z),z→0 ,是一个无限不循环小数,是为超越数。同时,e也是一个成熟的细胞的平均分裂周期。
e,作为数学常数,是自然对数函数的底数。有时称它为欧拉数(Euler number),以瑞士数学家欧拉命名;也有个较鲜见的名字纳皮尔常数,以纪念苏格兰数学家约翰·纳皮尔 (John Napier)引进对数。它就像圆周率π和虚数单位i,e是数学中最重要的常数之一。
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