UtilNest

Case Converter

Our free case converter instantly switches your text between uppercase, lowercase, Title Case, Sentence case, camelCase, PascalCase, kebab-case, snake_case and SCREAMING_SNAKE_CASE. Perfect for writers, developers and anyone fixing inconsistent capitalization. Everything runs in your browser, so your text never leaves your device.

Loading…

How to use Case Converter

  1. 1

    Type or paste your text

    Add the text you want to reformat.

  2. 2

    Choose a format

    Pick the target case from the buttons.

  3. 3

    Copy the result

    Use the copy button to grab the converted text.

Why use a case converter?

Fixing inconsistent capitalization by hand is tedious. This tool converts entire blocks of text in one click — ideal for headings, database IDs, file names and code identifiers that follow different naming conventions.

Which formats are supported?

Uppercase, lowercase, Title Case (every word), Sentence case (only the first letter), plus developer naming styles: camelCase, PascalCase, kebab-case, snake_case and constant case.

Examples

Fixing a heading

Input
the quick brown fox
Output
The Quick Brown Fox (Title Case)

Creating a variable

Input
user login count
Output
userLoginCount (camelCase)

Frequently asked questions

What case formats can I convert to?

Uppercase, lowercase, Title Case, Sentence case, camelCase, PascalCase, kebab-case, snake_case and SCREAMING_SNAKE_CASE (CONSTANT_CASE).

Is my text uploaded anywhere?

No. Conversion happens entirely in your browser and your text never leaves your device.

Category: Text

More text tools

Character Counter

Client-Side

Count characters, letters, digits, punctuation and words instantly. Includes a no-spaces count. Free, fast and 100% private in your browser.

Open Tool text

Find & Replace

Client-Side

Find and replace text instantly with optional case-sensitivity and whole-word matching. Free, offline tool that never uploads your text.

Open Tool text

Line Counter

Client-Side

Count lines, non-empty lines, blank lines and average line length instantly. Free, fast and 100% private in your browser.

Open Tool text

Random Text Generator

Client-Side

Generate lorem-style random text — words, sentences or paragraphs — in one click. Free, instant and fully private in your browser.

Open Tool text

Remove Duplicate Lines

Client-Side

Remove duplicate lines from any text instantly. Keeps the first occurrence and reports how many lines were removed. Free and 100% private.

Open Tool text

Remove Extra Spaces

Client-Side

Clean up messy text: collapse multiple spaces, trim every line and remove blank lines. Free, instant and 100% private in your browser.

Open Tool text

Related tools

Text Sorter

Client-Side

Sort lines alphabetically, numerically or by length — ascending or descending. Free, instant and 100% private in your browser.

Open Tool text

Reverse Text

Client-Side

Reverse text by characters, words or lines instantly. Emoji and accented letters stay intact. Free and 100% private in your browser.

Open Tool text

Character Counter

Client-Side

Count characters, letters, digits, punctuation and words instantly. Includes a no-spaces count. Free, fast and 100% private in your browser.

Open Tool text

Last updated 7 August 2026