Text Case Converter
Words: 0 · Chars: 0 · Lines: 0
Input Text
Transformations

Text Case Converter Online Free — 16 Text Transformations — Free Online Tool

Convert text case online free. UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case and 10 more. Sort lines, remove duplicates, word counter. Instant.

Free Forever
No Signup
No Upload
100% Private
Browser-based

Features

Built for real developer workflows. No fluff, just the tools you need.

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16 Transformations

UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONST_CASE, url-slug, Reverse, Sort A→Z, Sort Z→A, Remove Duplicates, Trim, Remove Blank Lines.

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Live Word Counter

Words, characters, lines and sentences counted and updated in real time as you type.

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URL Slug Generator

Convert any title to a clean lowercase hyphenated slug — perfect for blog post URLs, file names and CSS class names.

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Developer Case Formats

camelCase for JS, snake_case for Python/SQL, kebab-case for CSS/HTML, CONST_CASE for constants.

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Instant Results

Every transformation applies on click with no delay.

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Copy Output

One-click copy of the transformed result.

How to use

Get results in seconds — no account, no file upload required.

1

Paste your text

Type or paste any text into the left panel. Word count updates immediately.

2

Click a transformation

Choose from 16 transformation buttons. The result appears instantly in the output panel.

3

Copy and use

Click Copy output to copy the transformed text to your clipboard.

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Frequently asked questions

What is camelCase?
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camelCase joins words with no spaces, the first word lowercase and each subsequent word capitalised — like myVariableName. Standard in JavaScript and Java.
What is snake_case used for?
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snake_case uses lowercase words separated by underscores — like my_variable. Standard in Python, Ruby, SQL and database column names.
What is a URL slug?
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A URL slug is a URL-safe version of a title — lowercase, hyphens instead of spaces, special characters removed. For example "Hello World!" becomes "hello-world".
How does Remove Duplicates work?
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Duplicate lines are identified and all but the first occurrence are removed. Order of remaining lines is preserved. Comparison is case-sensitive.
Can I transform code variable names?
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Yes. Paste variable names one per line and click a case conversion button to batch-convert naming conventions.
What is PascalCase?
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PascalCase is like camelCase but the first word is also capitalised — like MyClassName. Standard for class names in most languages.