11 Case Converters in One Tap

Switch instantly between standard prose casing and developer programming formats without retyping.

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Supported Case Transformations

Text Cleaner offers 11 distinct case conversions covering both natural prose and developer variable naming conventions:

Case Style Format Example Primary Use Case
UPPERCASE HELLO WORLD Headings, acronyms, emphasis
lowercase hello world Standard normalization, URLs
Title Case Hello World Headlines, titles, book names
Sentence case Hello world. Standard paragraphs and essays
camelCase helloWorld JavaScript, Swift, Java identifiers
PascalCase HelloWorld TypeScript types, C# classes, React components
snake_case hello_world Python variables, database columns
CONSTANT_CASE HELLO_WORLD Environment variables, global constants
kebab-case hello-world CSS class names, URLs, package names
iNVERSE hELLO wORLD Fixing accidental Caps Lock typing
aLtErNaTiNg hElLo WoRlD Stylistic text, memes

How to use this tool:

  1. Paste or type your text into the editor box above.
  2. Click the highlighted action button to run the transformation instantly on your device.
  3. Click Copy to place the cleaned text onto your clipboard.

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Clean text from any app with the Share Sheet.

Select text in Safari, Mail, or Notes and share it to Clean Text. The cleaned version is copied back to your clipboard with a summary of what was fixed.

  • Works inside Safari, Mail, Notes, Word, and Slack
  • Counts and audits damage: '2 em dashes, 3 invisible characters removed'
  • 100% on-device: zero network requests, zero telemetry, full privacy
  • Available on iPhone, iPad, and Mac
Free for iPhone, iPad & Mac · iOS 17+
Text Cleaner: Case Converter App Screenshot