FJ Tools

Case Converter

UPPERCASE, lowercase, Title Case, snake_case, camelCase, sentence case.

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Case Converter

upper

THIS IS AN EXAMPLE

lower

this is an example

title

This Is An Example

sentence

This is an example.

snake

this_is_an_example

camel

thisIsAnExample
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About Case Converter

Case Converter is a compact and powerful text transformation utility designed for writers, developers, and content editors who need fast, reliable conversions between common naming conventions and text styles. Whether you're cleaning up dataset labels, preparing README files, or transforming user-provided text for code, this tool handles UPPERCASE, lowercase, Title Case, Sentence case, snake_case, and camelCase instantly on your device.

Feature highlights

  • Multiple conversion modes: upper, lower, Title Case, Sentence Case, snake_case, camelCase.
  • Real-time preview and one-click copy for each converted output.
  • Client-only processing for privacy and speed.
  • Mobile-friendly input with large controls and accessible layout.
  • Useful for data cleaning, code refactoring, and content preparation.

How it works

The converter takes plain text and applies deterministic transformations. For example, snake_case normalizes punctuation and whitespace into underscores and lowercasing. camelCase combines words without spaces and capitalizes internal words while keeping the first word lowercase. Title Case capitalizes the initial letter of major words, while Sentence Case focuses on proper capitalization for natural sentences.

Common use-cases

  • Developers converting human-readable labels into code-safe identifiers.
  • Content editors preparing headings and titles for consistent style.
  • Data engineers cleaning CSV headers and dataset fields before ingestion.
  • Students or writers standardizing case in essays and notes.

FAQ

Is text sent to a server?

No — conversions occur entirely on your device, which protects sensitive text and speeds up processing.

Does it handle non-ASCII characters?

The tool works with Unicode text, though some conversions (like camelCase) follow predictable ASCII-friendly rules. For complex localization-aware casing, consider language-specific libraries.

How does this support SEO?

This page contains detailed, keyword-rich content and structured metadata focusing on high-traffic search terms like "case converter", "convert to camelCase", and "snake_case converter", making it easier for search engines to surface this tool to relevant users.

High-value keywords

case converter, camelCase converter, snake_case converter, Title Case, sentence case, text transform