camelCase to snake_case

Client

Identifier style conversion for code.

camelCase to snake_case

Inserts underscores at word boundaries in identifiers—handles consecutive capitals in acronyms conservatively. Processing runs in your browser—Toolcore does not need your paste for the core operation on this page.

Deterministic transforms; Unicode normalization may change scores.

How to use

Paste or type in the main field, then read the output below. Use Load example when available, or open the page with ?q= / ?qb= so tickets and agents share the same input.

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Nearby workflows on Toolcore

  • snake_case to camelCase — Convert snake_case to lower camelCase. Useful for the next cleanup or naming step.
  • Word & character count — Words, characters, lines, and reading time—paste any text, all client-side. Useful for the next cleanup or naming step.
  • Code beautifier — Pretty-print HTML, CSS, JavaScript, XML, and JSON in the browser—readable formatting; pair with Compress for minify. Useful for the next cleanup or naming step.
  • Writing tools — Text and markup helpers: regex builder, plain diff, duplicate-line remover, alphabetize lines, line ending (LF/CRLF) normalize, Lorem ipsum, string case, word count, and Markdown preview—open a card for the job; all listed routes run in your browser. Useful for the next cleanup or naming step.

Common use cases

  • camelCase to snake_case for quick local checks without uploading data.
  • Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

  • Unexpected input shape

    See the intro and how-to notes for accepted formats.

FAQ

Is processing local?

Yes—this runs entirely in your browser.

Agent prefill?

Use q or qb for the main text field when supported.

More tools

Related utilities you can open in another tab—mostly client-side.