Development

CSS Formatter

Format and beautify CSS code to improve readability and maintainability. Supports custom indentation rules.

SQL Formatter & Beautifier

Format and beautify messy SQL code to improve readability.

Stylus to CSS

Convert Stylus preprocessor code to standard CSS stylesheets

HTML to JS String Converter

Convert HTML code into escaped strings that can be directly embedded into JavaScript, making dynamic web content generation easier.

Stylus to LESS Converter

Convert Stylus syntax code to standard LESS format, suitable for front-end project migration and team collaboration.

SQL Minifier

Remove spaces, line breaks, and comments from SQL statements. Minify SQL into a single line of code to save storage space and improve transfer efficiency.

GB2312 Character Encoding Lookup

A GB2312 encoding lookup tool — enter a Chinese character to get its area code, GB national-standard code, and internal code.

Free Online HTML Formatter & Beautifier

A free online HTML formatter and beautifier for developers and web designers. Customize indentation and line breaks to improve code readability and team collaboration.

JSON to C++ Struct Converter

Automatically map JSON data structures to C++ class or struct definitions for rapid generation of data models used in APIs and configuration files.

XML to CSV & CSV to XML Converter

Achieve precise bidirectional conversion between structured XML data and CSV tables. Supports custom delimiters, headers, and XML formatting configurations.

JSON to PHP Array Converter

Quickly convert JSON data into ready-to-use PHP array code. Perfect for API integration and configuration migration.

JavaScript Events Reference Table & Compatibility List

An online reference guide for front-end developers to quickly look up JavaScript event names, categories, and browser compatibility.

XML Formatter

Convert messy XML code into a clearly structured, standard format to improve development efficiency and code readability.

JSON to YAML & YAML to JSON Converter

Bidirectionally convert between JSON and YAML structured data formats, with support for custom output styling.

YAML / CSV Converter

Convert between YAML and CSV formats. Supports custom headers, delimiters, and efficient structured data processing.

Android Permission Lookup & Reference Guide

Provides developers and users with instant plain English names and functional descriptions for standard Android permission strings.

JSON to Rust Struct Converter

Instantly convert JSON data into Rust struct code for seamless API integration, data processing, and model definitions.

JSON to Go Struct Converter

Convert JSON data into Go struct definition code for API integration and data modeling.

Online JWT Parser & Decoder

Parse JWT headers, payloads, and key information online. No installation required—just paste and decode.

HTML Minifier

Minify HTML code online by removing spaces, comments, and redundant characters. Optimize CSS, JS, and SVG to reduce file size.