免费在线文本工具

简单、快速、免费的文本处理工具。无需注册，无广告干扰，即开即用。

Count words, characters, sentences, paragraphs, and reading time in your text. Perfect for writers and students.

Convert text between uppercase, lowercase, title case, sentence case, and alternating case instantly.

Compare two texts and highlight the differences. Useful for code review, document comparison, and plagiarism check.

Write and preview Markdown in real-time. Support for headings, lists, code blocks, tables, and more.

Find and replace text with support for regex patterns, case-insensitive matching, and batch operations.

Sort text lines alphabetically, reverse order, remove duplicates, shuffle, or sort by length.

为什么选择 TextTools Online？

100%

完全免费

Sign-up Required

快速处理

Client-side Processing

数据留在本地

Data Stays on Your Device