camelCase to Snake Case
Converts camelCase or PascalCase to snake_case. Free, instant and 100% private in your browser.
Developer Tools Runs in your browser
What does camelCase to Snake Case do?
Converts camelCase or PascalCase to snake_case. Paste your camelcase on the left and NMSnabbit instantly shows the snake_case on the right. For example, “userFirstName” gives “user_first_name”. Everything runs locally in your browser — nothing is uploaded, so it stays private and works offline. You can process several values at once and copy the result with one click.
How to use the camelCase to Snake Case
- 1 Type or paste your camelcase into the input box.
- 2 The snake_case appears instantly in the output box as you type.
- 3 Tip: try the example “userFirstName” to see “user_first_name”.
- 4 Click “Copy output” to copy the result.
What you can use it for
- Quickly converts camelcase or pascalcase to snake_case without installing anything.
- Checking results while learning or teaching how camelcase and snake_case relate.
- Preparing or debugging data for programming, electronics or homework.
- Working privately when the data shouldn't be uploaded to a server.
Frequently asked questions
How do I use camelCase to Snake Case?
Paste your camelcase into the input field above. camelCase to Snake Case runs instantly in your browser and shows the snake_case on the right — no button to press and nothing uploaded.
Is camelCase to Snake Case free and private?
Yes. camelCase to Snake Case is completely free with no sign-up, and it runs entirely client-side in your browser, so your data never leaves your device.
Can I process more than one value at once?
Yes. Enter several values separated by spaces or new lines and each one is handled independently, so you can batch-process in a single pass.
More tools
More tools like this:
All Developer Tools