Case Converter

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

Case Converter is a free online Text tool. Convert case, full/half width, camelCase / snake_case / kebab-case Related terms: 大小写 · case · upper · lower · camel · snake. Use it on this page without signing in.

Help

使用说明

  1. 在输入框粘贴文本
  2. 选择目标格式：全部大写 / 全部小写 / 首字母大写
  3. 也可进行命名风格互转：驼峰、下划线（snake）、短横线（kebab）
  4. 支持全角与半角字符互转
  5. 转换结果实时显示，可一键复制

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
  • 命名转换怎么用？ 粘贴一段标识符（如 userName），点 snakecase 即得 username
  • 中英文混排？ 中文不受大小写影响，仅转换英文字母

补充说明

  • 命名风格转换会自动识别现有的分隔符（空格、-、、大小写边界）

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Count characters, words and lines, CJK and Latin separately

Text Deduplicator

Deduplicate lines, remove empty lines, trim and sort

Simplify ⇄ Traditional

Convert between simplified and traditional Chinese

Text Diff

Compare two texts line by line

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 Case Converter

What can Case Converter do?

Case Converter is a Text tool. Convert case, full/half width, camelCase / snake_case / kebab-case You can finish the job on this page.

Who should use Case Converter?

Anyone handling 大小写 · case · upper · lower · camel · snake who does not want to install desktop software can use Case Converter in the browser.

Is Case Converter safe? Is my data uploaded?

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

What similar tools exist?

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