Development

Online JWT Parser & Decoder

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

Country & Language Code Reference

Look up standard language codes for countries, searchable by Chinese or English name, to quickly find codes like zh-CN and en-US.

HTML Minifier

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

VS Code Shortcuts Finder

Search VS Code keyboard shortcuts by function or key combination. Get cross-platform (Windows, Mac, Linux) mappings to boost your coding efficiency.

HTML to PHP Converter

Quickly convert HTML code into PHP scripts for dynamic web development. Easily integrate PHP logic and improve code modularity and efficiency.

JSON to Haskell Data Type Converter

Automatically convert JSON data into Haskell data/newtype definitions. Generate Aeson-ready code instantly to boost your development efficiency.

CSS Minifier

Efficiently minify CSS code by removing redundant characters to boost page load performance.

JSON to Ruby Class Converter

Automatically convert JSON data into Ruby class definitions. Generate code with properties and initialize methods for seamless integration into your Ruby projects.

XML Compressor

Remove extra whitespace and comments from XML to reduce file size and optimize transfer and storage efficiency.

Gzip Encoder & Decoder

Free online Gzip compressor and decompressor. Instantly compress text to Base64 Gzip format or decode Base64 Gzip strings back to plain text.

License Plate Generator

Generate random license plates for software testing and development.

Nano ID Generator

Generate secure, unique, and URL-friendly identifiers for database IDs, API keys, and more.

Blank Code Generator

Quickly generate blank code templates and placeholders for various programming languages.

URL Redirect Checker

Analyze URL redirect paths and HTTP status codes to diagnose redirect issues and boost your SEO.

HTML Source Viewer

View and analyze the HTML source code of any webpage online. A fast and free tool to assist with front-end web development, SEO analysis, and debugging.

String Escape & Unescape Tool

Process special character escaping and unescaping for HTML, URL, and JS formats. Perfect for web development and data processing tasks.

Spider Crawl Simulator

Simulate search engine spiders to crawl web pages. Check HTTP crawl status, response headers, and view the raw HTML page source online.

URL Unshortener

Paste a short link to quickly reveal the original long URL. Expand shortened URLs safely and check where they redirect before clicking.

XPath Online Tester

Test XPath expressions right in your browser and see matches instantly — great for web scraping, data collection, and front-end debugging.

Python Regex Tester

Test Python regular expression patterns online. Get real-time match results, capture groups, and position info to quickly debug text processing rules.