Text Case Converter

Paste text below and switch its letter case in one click — from UPPERCASE and Title Case to camelCase and snake_case.

  • Free, no sign-up
  • Runs in your browser

Drop your file here, or

TXT, CSV, JSON, Markdown, HTML, XML, DOCX, PDF, RTF and more

Type, paste with Ctrl V, or drop a file

Options

Convert to

or press Ctrl EnterRuns in your browser

Result

Your converted text will appear here.

Add your text, then press Convert case.

How to use Convert Case

  1. Paste your text into the input box.
  2. Pick a case style and press Convert case.
  3. Copy or download the converted text, or switch styles to compare.

Example

Before
the QUICK brown fox jumps over the lazy dog
After
The Quick Brown Fox Jumps Over the Lazy Dog

Title Case keeps minor words like “the” lowercase unless they start the title.

Good for

  • Fixing text typed with Caps Lock on
  • Formatting headlines and titles consistently
  • Converting labels into variable names for code

Supported cases

UPPERCASE, lowercase, Title Case, Sentence case, Capitalize Every Word, iNVERT cASE, aLtErNaTiNg cAsE, camelCase, PascalCase, snake_case, kebab-case and CONSTANT_CASE. Conversion is Unicode-aware, so accented and non-Latin letters convert correctly.

What happens to your text

Your text is processed in your browser and kept only in this tab’s memory. It is not uploaded, saved or used for analytics.

Related guides

  • How-to

    How to Convert Text to Uppercase

    Convert any text to UPPERCASE in one click online, or with keyboard shortcuts and formulas in Word, Google Docs, Excel and Google Sheets.

  • How-to

    How to Convert Text Case

    Change text to Title Case, Sentence case, UPPERCASE, lowercase, camelCase or snake_case online — plus the shortcuts for Word, Docs and Excel.

  • UPPERCASE

    Convert every letter to capitals.

  • lowercase

    Convert every letter to small letters.

  • Title Case

    Capitalize headlines, keeping minor words like "and" lowercase.

  • Sentence case

    Lowercase text and capitalize the start of each sentence.

  • Capitalize Words

    Capitalize the first letter of every word.

  • Invert Case

    Swap uppercase and lowercase letters.

  • aLtErNaTiNg CaSe

    Alternate between lowercase and uppercase letters.

  • camelCase

    Turn phrases into camelCase identifiers, one per line.

Questions about Convert Case

More answers in the TextVix FAQ.

What is the difference between Title Case and Capitalize Words?

Title Case follows headline style and keeps short words like “and”, “of” and “the” lowercase. Capitalize Words capitalizes the first letter of every word.

Does it work with accented letters?

Yes. For example, “émile” becomes “ÉMILE”, and the German ß becomes “SS” in uppercase.

Is my text uploaded anywhere?

No. This tool runs entirely in your browser. Your text and files are never sent to a server or stored.