Free ToolFk For Developers.

Smart Couplets Generation

Chinese ancient poem robot

Picture color ecognition, Selector

Image to text recognition tool

Use the Book of Songs/Tang Poems/Song Ci/Yuefu/Ancient Poems to name children

Latest Tax/Award Calculator

Provide bank code, bank name, bank card type query

DNS Lookup tool provides a report on DNS records for a specified domain or hostname.

The world's leading IP address library, IP Location Finder.

People's Republic of China Resident Identity Card, Hong Kong and Macao Resident Residence Permit Verification

Curl Convert Python, Ansible URI, Node.js, R, PHP, Strest, Go, Dart, JSON, Elixir, Rust

Latest Chinese holiday schedule

C# code execution sandbox, C# online development and testing toolbox

JAVA code execution sandbox, JAVA online development and testing toolbox, the code runs on JAVA 1.8 version

Lua code execution sandbox, Lua online development test tool, code running on Lua 5.3.4 version

The Rust code executes the sandbox, Rust develops the test tool online, and the code runs on Rust 1.15.1

Scala code execution sandbox, Scala online development test tool, code running on Scala 2.11.6 version

Groovy code execution sandbox, Groovy online development test tool, code running on Groovy Swift 2.5.8

The R code executes the sandbox, and the R online development test tool, the code runs on the R 3.6.1 version

Kotlin code execution sandbox, Kotlin online development test tool, code running on Kotlin 1.3.50 version

Dart code execution sandbox, Dart online development test tool, code running on Dart 2.5.0 version

Ruby code execution sandbox, Ruby online development test tool, code running on Ruby 2.6.4 version

C code execution sandbox, C online development and testing toolbox

Elixir code execution sandbox, Elixir online development test tool, code running on Elixir 2.5.8

Swift code execution sandbox, Swift online development test tool, code running on Swift 5.0.3 version

The GO code executes the sandbox, the GO online development test tool, and the code runs on the GO 1.13 version

Support Format,Purify,Optimize,Compress,Encrypt,Decrypt,Validator,Css2Less,Css2Scss

C++ code execution sandbox, C++ online development and testing toolbox

Perl code execution sandbox, perl online development test toolbox

JavaScript sandbox, JavaScript online development test tool, online execution of JS code

The php7 code runs online tool, The code can be executed on PHP 5.6, PHP 7.2

Support Format,Confuse,Unmute,Compress,Encrypt,Decrypt,Validator

Support Format,Validator,Json2Html,Json2Xml,Json2Yaml,Json2Csv,Json2Tsv,Json2Java,Json2C#,Json-Views,Json2SQL

Support format,Validator,Yaml2Json,Yaml2Xml,Yaml2Html,Yaml2Csv

Support Format,Compress,Encrypt,Decrypt,Html2Js,Html2Elm

CSV convert to ASP/JSON/MYSQL/PHP/ActionScript/VBScript/Python/Ruby/XML

Support formats,compresses,converts JSON/HTML/YAML and validates

Support Format,Compress,UnComment,Sql2Xml,Sql2Csv,Sql2Json,Sql2Yaml,Sql2Html

Support HTML to Markdown, Markdown to HTML

Technical graphic online tutorial, based on an electronic tutorial shared by Gitbook

The most professional Linux command series, including Linux command manual, Linux command details, Linux command learning, Linux command line and shell script programming

Online API documentation toolbox provide dozens of online documents in a variety of languages, including common JAVA, JQuery, Ruby, etc., for developers to view online

Python code execution sandbox, can be run on Python2.7, PHP3.5

Support MD5,MACMD5,SHA1,SHA224,SHA256,SHA384,SHA512,SHA3,AES,DES,Rabit, Rabit Legacy,RC4,RC4Drop,TripleDES,Ripemd160 Encryption/Encryption

An excellent open source project provides stable, fast, and free CDN acceleration services

RMB Convert Uppercase,Letter Convert, Chinese character to pinyin

Support Code128, EAN13, EAN8, UPC, CODE39, ITF14, MSI10/11/1010/1110 generation

Text to Voice, speech synthesis mp3

The password can include (a-z), (A-Z), (0-9), and special characters (!@#$%^^..) combined passwords

Calculator, Scientific Calculator

Based on Baidu map technology, it can realize longitude and latitude query place name location, place name query longitude latitude position, arbitrary map position analysis latitude and longitude

Support mobile phone, PC-side interception and save as PDF, PNG format

QR code online decoding,support text, web address and e-mail address can be generated

Support Sina short link, Shorte short link generation

Support PDF to PNG, PDF to JPEG, PDF to WEBP, PDF to TXT conversion

Supports SVG to PNG, SVG to JPEG, SVG to WEBP

Morse code translator/decoding, Chinese English Morse Morse code

Support Chinese, Traditional Chinese, English, German, Japanese, Korean, Spanish, French, Italian, Portuguese, Russian, Thai, Vietnamese articles pseudo-original generation

UML modeling timing diagram online toolbox

This tool makes it easy for you to quickly compare the differences between the two texts/codes

Photoshop webpage lite, online PS map toolbox

Online free web crawler, based on QueryList code to implement crawlers

GraphQL creates MYSQL, MongoDB, PostgreSQL datasheet toolbox online

Mind mapping tool is probably the easiest and easy to use

The online database table design and data structure table design are exported

Online web load testing tool, online interface stress test, online performance test toolbox

This tool prompts PHP source code online confusion, source code encryption and decryption toolbox

WebSocket tests, connects, receives, disconnects, and sends information online

Regular s testing toolbox, Regular code online generation

HTTP GET/POST simulation request test toolbox

Apache (.htaccess) conversion to NGINX configuration file

Crontab execution time calculation toolbox

Support binary,octal,decimal,hexadecimal,triple hexadecimal, sixty binary, six hexadecimal online Conversion

Base64、Url Encode/Decode、Ascii to Native to Ascii、Ascii Unicode to Ascii

Android APK online decompile, package, download operation

Online timestamp conversion tool, Beijing time converted to timestamp

HTTP Content-type, HTML escape character, RGB color reference, ASCII comparison table, HTTP status code detailed, TCP/UDP common port reference toolbox