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. Character Encodings Tools

Character Encodings Tools

Character encoding reference and tools: UTF-8, UTF-16, GBK, GB2312, ASCII and Latin-1 compared on byte ranges and use cases, how byte order marks and wrong.

字符编码对照表 (Character Encodings) 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

  • 🔣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.
  • 0️⃣Text to BinaryConvert text to binary or back via UTF-8 encoding for ASCII and Unicode characters. Handy for low-level debugging, encoding tutorials and CTF puzzles.
  • 🔢Integer Base ConverterConvert numbers between binary, octal, decimal, hex and any base 2-36, with instant results for bitwise ops, colour channels and low-level protocol debugging.
  • 🌐Punycode ConverterConvert international domain names to Punycode and back with full RFC 3492 support. Encode IDN domains for DNS and decode xn-- addresses back to Unicode.

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