About CamelCase / snake_case Converter
Map variables, database columns, and keys between standard programming casing conventions. It's built for writing, editing and content-cleanup tasks, runs instantly, and works on any device — no install, no sign-up.
How to use CamelCase / snake_case Converter
- Paste or type your input into the editor on the left.
- Leave the defaults, or tweak them if the tool exposes options.
- The result appears instantly on the right — everything runs in your browser, so nothing is uploaded.
- Copy the output, or download it, and you're done.
Why use CamelCase / snake_case Converter?
- Fast and local — the transform happens in your browser, so there's no round-trip and no waiting.
- Private by default — your input never leaves your device.
- Accurate — the same, well-tested logic powers both this page and the public API.
- Free — unlimited use in the browser, with an optional API for automation.
Use it from the API
Everything this page does is also available as a REST endpoint, so you can call CamelCase / snake_case Converter from your own code, a script or a CI pipeline.
Bashcurl "https://api.toolsxpo.com/v1/case-mapping" \ -H "Authorization: Bearer txp_live_YOUR_KEY"
The endpoint returns a JSON envelope ({ ok, data, meta }) and costs 1 credit per successful call. Try it in the playground or browse the full API reference.
Frequently asked questions
Is CamelCase / snake_case Converter free to use? Yes — use it in the browser as much as you like. The optional API has a free tier and pay-as-you-go pricing for heavy or automated use.
Is my data private? Yes. CamelCase / snake_case Converter runs entirely in your browser — your input never leaves your device and nothing is logged or stored.
Can I automate CamelCase / snake_case Converter?
Yes — call the case-mapping API endpoint from any language and script it into your workflow.