文本对比Text Diff
逐行比较两段文本，标注新增与删除，支持忽略空白差异。Compare two texts line by line, highlight added, deleted and unchanged lines, and export the comparison.
请在两侧输入需要对比的文本
逐行比较，每侧最多 500 行；新增用 +、删除用 − 标注。换行格式 CRLF/LF 视为相同。
文本对比使用指南Text Diff: guide
在线对比两段文本，逐行标注新增、删除与未改动内容，支持忽略空白差异、复制和下载，适合代码片段与配置版本核对。Compare two texts line by line, highlight added, deleted and unchanged lines, and export the comparison.
- 分别粘贴修改前和修改后的文本。Paste the original and modified text.
- 查看逐行差异，按需开启忽略空白并导出结果。Review differences and optionally ignore whitespace changes.
能直接比较 Word 或 PDF 文件吗？Can I compare Word or PDF files?
不能。这里比较的是纯文本内容，不解析 Word 或 PDF 的排版；请先提取文本再粘贴比较。This compares plain text only. Extract and paste text first; document formatting is not compared.
免费使用，无需注册。工具输入在浏览器本地处理；网站访问统计不包含工具输入内容。Free to use, no registration. Tool input is processed locally in your browser and is not included in website analytics.