Skip to content
码屋 Logo码屋 Logo
Oltool · Online Tools

Free online toolbox for developers

📋JSON🔤Encode🌐Network🔐Crypto🧰Dev🖼️Image📕PDF📝Text🧮Math🌐MAC🕒Time
/Ctrl+K
  1. Home
  2. ›
  3. HTML Entities Tools

HTML Entities Tools

HTML entity reference and tools: covering named entities such as &, < and   alongside decimal and hexadecimal numeric forms, which characters must.

HTML 实体 (HTML Entities) is a frequently consulted reference for developers. Keeping the reference and ready-to-use tools on one page cuts the cost of switching back and forth. All tools below run locally, are free, and need no sign-up.

Related Tools

  • 🌐HTML EntitiesEncode or decode HTML entities (&, <, >, ", ') for safe rendering, preventing XSS and keeping templating output clean and predictable.
  • 🔗URL Encoder / DecoderEncode or decode URL-safe strings using percent-encoding for query params and path segments. Essential for building safe query strings and REST API URLs.
  • 🔣Text to UnicodeConvert text to Unicode escape sequences (\uXXXX) and back for UTF-16. Ideal for debugging encoded strings and inspecting raw code points in one pass.
  • 🔤Unicode Escape ConverterConvert text to Unicode escape sequences and back, covering classic and ES6 forms, emoji and surrogate pairs. Choose a four-digit or braced ES6 form Choose.

Mawu (Oltool) · Free Online Developer Toolbox · 158 Tools · Privacy-First · All Processing in Browser

© 2026 Oltool

Product

  • About
  • Blog
  • Conversions
  • Changelog

Topic hubs

  • JSON
  • Encode
  • Network
  • Crypto
  • Dev
  • Image
  • PDF
  • Text
  • Math
  • MAC
  • Time

Tools

  • Reference
  • Popular

Support & legal

  • Privacy
  • Terms
  • Contact
Popular Tools:BIP39 助记词生成·UUID生成器·Encoding Online 编码工具·Base64 to File·Bandwidth Calculator 带宽计算·单位换算·MAC地址生成Friend Links:aiho.net·laohand.com
蜀ICP备17034332号-4