HTML Encode/Decode - Free online tool to convert text to HTML entities and back. No installation required.
在线HTML实体编码解码工具，支持特殊字符转义与反转义，实时转换，保护隐私。
手动转义HTML特殊字符易出错，且需安装软件或担心数据泄露。
输入：需编码或解码的文本，可选模式（编码/解码）、全量编码开关。输出：转换后的文本，显示在输出框。
适合Web开发者、内容编辑者及需要处理HTML实体的用户。
YAML Parser - Free online tool to parse and convert YAML format. No installation required, ready to use in your browser.
Time Zone Converter - Free online tool for comparing and converting global time zones. No installation required, ready to use.
TOML Parser - Online TOML format parsing and conversion tool. Free online tool, ready to use without installation.
Unit Converter - Free online tool for converting length, weight, temperature, and other units. No installation required, ready to use.
Text Case Converter - Online Case Conversion Tool - Free online tool, ready to use, no installation required.
Color Picker - Online HEX/RGB/HSL color converter tool. Free online tool, ready to use, no installation required.