HTML 实体编解码

免费在线 HTML 实体编码 / 解码工具，支持 < > & " 等命名实体与数字实体（'）的双向转换，可选「全部非 ASCII 字符转义」模式
NaNToday Remaining
NaNConverted
NaNTotal Helped
Rating(undefined users)
Enter text to encode, e.g. <div class="x">a &amp; b</div>
Result
User Guide
✨ Features
• Two-way conversion for & < > " ' / ` = and named entities • "Encode all non-ASCII as &#NNNN;" mode for safer transport • Decoder handles named entities, decimal &#NNN; and hex &#xHHHH; • One-click swap between encode / decode • All processing happens locally
📖 How to Use
Step 1
Toggle Encode / Decode
Step 2
Enter or paste your text
Step 3
Tick "encode all non-ASCII" if needed
Step 4
Click Copy to grab the result
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