What scramble modes are available?

Scramble letters within each word (keeping first/last), scramble whole word order, or fully randomize all characters.
Can I re-scramble to get a different result?

Yes. Click Scramble again for a new random arrangement.
Is my text sent anywhere?

No. All scrambling runs in your browser.
单词打乱 — 免费打乱单词和字母

打乱单词内字母打乱单词顺序打乱所有字符保留首尾字母
结果
  <section class="ds-seo-section">
    <h2 class="ds-seo-section__title">什么是单词打乱？</h2>
    <p>单词打乱会随机打乱文本中每个单词的字母。可用于创建字谜、混淆内容，或生成语言学习用的打乱练习。</p>
  </section>
  <section class="ds-seo-section"><h2 class="ds-seo-section__title">如何使用单词打乱</h2><ol><li>将文本粘贴到输入区域。</li><li>选择打乱模式：单词内字母、单词顺序或所有字符。</li><li>点击“打乱”并复制结果。</li></ol></section>
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  <details class="ds-seo-more"><summary class="ds-seo-more__toggle"><span>了解更多</span><span class="ds-seo-more__arrow">▾</span></summary><div class="ds-seo-more__body"><details class="ds-seo-collapse"><summary>常见使用场景</summary><div class="ds-seo-collapse__body"><ul><li>创建字谜或变位词游戏</li><li>为教学练习生成打乱文本</li><li>为演示匿名化文本结构</li><li>为朋友创建有趣的打乱消息</li></ul></div></details><details class="ds-seo-collapse"><summary>常见问题</summary><div class="ds-seo-collapse__body"><div class="ds-seo-faq-item"><strong>“保留首尾字母”是什么意思？</strong><p>研究表明，当每个单词的首尾字母保持不变、中间字母被打乱时，文本仍可读。此选项可启用该效果。</p></div></div></details></div></details>
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<script>
'use strict';
function shuffle(arr){for(let i=arr.length-1;i>0;i--){const j=Math.floor(Math.random()*(i+1));[arr[i],arr[j]]=[arr[j],arr[i]];}return arr;}
function scrambleWord(w,keepEnds){
  if(w.length<=3)return keepEnds?w:shuffle(w.split('')).join('');
  if(keepEnds){const mid=shuffle(w.slice(1,-1).split('')).join('');return w[0]+mid+w[w.length-1];}
  return shuffle(w.split('')).join('');
}
function getMode(){return document.querySelector('input[name="mode"]:checked').value;}
document.getElementById('btnScramble').addEventListener('click',()=>{
  const text=document.getElementById('inputText').value;if(!text)return;
  const mode=getMode();const keepEnds=document.getElementById('keepEnds').checked;
  let result;
  if(mode==='letters'){
    result=text.replace(/\b[a-zA-Z]+\b/g,w=>scrambleWord(w,keepEnds));
  }else if(mode==='words'){
    const tokens=text.match(/\S+|\s+/g)||[];
    const words=tokens.filter(t=>/\S/.test(t));const spaces=tokens.filter(t=>/^\s+$/.test(t));
    shuffle(words);let wi=0,si=0;result=tokens.map(t=>/\S/.test(t)?words[wi++]:spaces[si++]).join('');
  }else{
    const chars=text.split('');shuffle(chars);result=chars.join('');}
  document.getElementById('outputText').value=result;
  document.getElementById('btnCopy').disabled=false;
});
document.getElementById('btnCopy').addEventListener('click',()=>{navigator.clipboard.writeText(document.getElementById('outputText').value).then(()=>{const btn=document.getElementById('btnCopy');const o=btn.textContent;btn.textContent='Copied!';setTimeout(()=>btn.textContent=o,1500);});});
document.getElementById('btnClear').addEventListener('click',()=>{document.getElementById('inputText').value='';document.getElementById('outputText').value='';document.getElementById('btnCopy').disabled=true;});
</script>
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