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Convert between snake_case and camelCase instantly for APIs, JSON fields, and code variables.

Snake Case to Camel Case

Camel Case to Snake Case

这个大小写工具能做什么

常见问题

Which case formats are supported?

The tool supports snake_case and camelCase conversion in both directions.

Does it run locally in the browser?

Yes. Your text is processed in the browser without uploading to a server.

Will acronyms always match my code style?

Not always. Teams may write API, Api, URL, or Url differently, so review acronym-heavy output before committing generated names.

Can I convert multiple words at once?

Yes. Paste the text you want to normalize, choose the direction, and copy the converted result. For large code changes, review the output before replacing source files.

大小写转换器 - snake_case 与 camelCase 在线互转 | Unix Timestamp Converter