Convert JSON Keys to snake_case online

The #1 Tool on the web -

Discover other case conversions

With our tool you can convert a wide variety of text with different cases like Sentence Case, camelCase, hyphen-case and many others.

It is free!

Many Case Conversion Types

We support a lot of case conversion types like PascalCase, camelCase or snake_case.

Unusual Conversion Types

Ever heard of kebab-case or Sentence Case? Suppported by our app!

Clever AI auto completion

Our artificial intelligence will determine which type you want to convert to.

Dark Mode

Our case converter is one of the few that actual supports dark mode on the internet!

History Mode

A history will be saved of your case conversions, retrieve your history easily.

UX Experience

With our hand-crafted components we deliver exceptional good UX to you.

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