Tool Workspace
Enter content, process with one click
1Introduction
The camelCase to snake_case converter is an online text processing tool that quickly converts camelCase names (like userName, getUserInfo) to snake_case (like user_name, get_user_info). Enter content and get the converted result immediately - simple and direct, ideal for everyday code editing. The tool supports batch processing: paste multiple lines at once and each is converted automatically line by line, eliminating manual per-item edits. The conversion rules are clear and stable, handling common acronyms reasonably, and the output conforms to mainstream programming language naming conventions. It suits frontend development, backend API integration, and database field mapping, helping unify code style and reduce communication costs from inconsistent naming. It also makes it easy to align field names quickly when collaborating between frontend and backend.
2How to Use
Enter camelCase text
Paste the camelCase names you want to convert into the input box. Multiple lines can be processed at once.
Click the convert button
Click the "Convert" button and the tool automatically generates snake_case format line by line.
Copy the result
After conversion, click the copy button or copy the output manually for use.
3FAQ
How to distinguish consecutive uppercase letters?
Insert an underscore before each uppercase letter and convert to lowercase, e.g., myName becomes my_name.
How to handle acronyms (like HTTP) during conversion?
Acronyms are split into multiple words, e.g., HTTPResponse converts to http_response.
