Text Diff

Compare two texts line by line

Text Diff is a free online Text tool. Compare two texts line by line Related terms: diff · compare · 对比 · 文本差异. Use it on this page without signing in.

Help

使用说明

  1. 在左侧输入框粘贴原始文本
  2. 在右侧输入框粘贴修改后文本
  3. 工具自动逐行对比并高亮差异（新增/删除/修改）
  4. 可一键复制差异结果

常见问题

  • 数据会上传吗？ 全程浏览器本地处理，不发送任何数据
  • 对比方式？ 基于行的差异算法（LCS），高亮变更行
  • 支持多大文本？ 适合常规文本对比，超大文件可能影响性能

More Text

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Word Count

Count characters, words and lines, CJK and Latin separately

Text Deduplicator

Deduplicate lines, remove empty lines, trim and sort

Case Converter

Convert case, full/half width, camelCase / snake_case / kebab-case

Simplify ⇄ Traditional

Convert between simplified and traditional Chinese

Markdown to HTML

Convert Markdown to HTML with live preview and export

Markdown Stripper

Strip Markdown markers, keep plain text and line breaks

Regex Tester

Real-time regex testing with match highlighting

Encrypt / Decrypt

Base64, URL, Unicode, Morse and more codecs

FAQ about Text Diff

What can Text Diff do?

Text Diff is a Text tool. Compare two texts line by line You can finish the job on this page.

Who should use Text Diff?

Anyone handling diff · compare · 对比 · 文本差异 who does not want to install desktop software can use Text Diff in the browser.

Is Text Diff safe? Is my data uploaded?

This tool runs in your browser. We do not collect the content you enter into Text Diff just because you used it.

What similar tools exist?

Related tools in the same Text group are listed at the bottom of this page.