Case Converter

Transform text case instantly: Uppercase, Lowercase, Title Case, and more.

Input / Output
Characters: 0
Words: 0

Convert To

The Ultimate Guide to Text Case Styles

Converting text case is a daily necessity for developers, writers, and data analysts. While it seems simple, choosing the right case style is critical for code readability, SEO, and grammatical correctness.

Writing & Grammar

  • Sentence case: The standard for most body text. Only the first letter of the first word and proper nouns are capitalized.
    Example: "The quick brown fox jumps."
  • Title Case: Major words are capitalized. Used for headlines, book titles, and article names.
    Example: "The Quick Brown Fox Jumps"
  • UPPERCASE: Used for emphasis or acronyms (NASA, FBI). Avoid using for whole paragraphs as it looks like shouting.

Coding & Data

  • camelCase: Standard for variables in JavaScript and Java. The first word is lowercase, subsequent words are capitalized.
    Example: `myVariableName`
  • snake_case: Common in Python and database field names. Words are separated by underscores.
    Example: `my_variable_name`
  • kebab-case: Used in URLs and CSS classes. Words are separated by hyphens.
    Example: `my-variable-name`

Why use a Case Converter?

Manually retyping text to fix capitalization errors is slow and prone to mistakes. A case converter automates this instantly.

Case Converter FAQ

How to convert text to uppercase?

Paste your text into the N28 Case Converter and click the 'UPPERCASE' button to instantly capitalize all letters.

How to convert text to lowercase?

Use the N28 Case Converter tool, paste your text, and select 'lowercase' to convert all characters to their small letter form.

What is Title Case?

Title Case capitalizes the first letter of each major word, often leaving small words like 'a', 'an', 'the' lowercase, used for headlines.

What is Sentence case?

Sentence case capitalizes only the first letter of the first word in a sentence and proper nouns, mimicking standard grammar.

What is camelCase?

camelCase is a naming convention where the first word is lowercase and subsequent words start with a capital letter, with no spaces (e.g., myVariableName).

What is snake_case?

snake_case replaces spaces with underscores and keeps all letters lowercase (e.g., my_variable_name), commonly used in Python.

What is kebab-case?

kebab-case replaces spaces with hyphens and uses lowercase letters (e.g., my-variable-name), often used in URLs and CSS.

What is PascalCase?

PascalCase is similar to camelCase, but the first letter of the first word is also capitalized (e.g., MyVariableName).

What is Alternating Case?

Alternating Case switches between uppercase and lowercase letters (e.g., lIkE tHiS), often used for memes or stylistic effect.

What is Speed Read Case?

Speed Read Case (inspired by Bionic Reading) capitalizes the first few letters of every word to guide the eye and potentially increase reading speed.

How to capitalize first letter?

Use the 'Sentence case' option in the N28 Case Converter to automatically fix capitalization at the start of sentences.

Can I convert text offline?

Yes, N28 tools run client-side in your browser, so once the page loads, you don't need an internet connection to convert text.

Does this tool remove formatting?

The tool converts the case of the text but generally preserves basic text structure like line breaks. Rich text formatting (bold, color) is removed.

How to fix accidental caps lock?

Select 'Inverse Case' or 'Sentence case' to quickly fix text typed with Caps Lock on.

Is there a limit to text length?

There is no hard limit, but extremely large texts may slow down your browser slightly. It handles standard documents easily.

How to copy the converted text?

Click the 'Copy' button or use the 'Copy to Clipboard' feature after converting your text.

Can I download the text?

Yes, use the 'Download' button to save your converted text as a .txt file.

What is Toggle Case?

Toggle Case switches the case of each letter; uppercase becomes lowercase and vice versa.

How to convert for URL handle?

Use 'kebab-case' to create SEO-friendly URL slugs from titles.

How to clean up capitalization?

Use 'Sentence case' or 'Title Case' to standardize messy capitalization in your text.

What is Dot Case?

Dot Case replaces spaces with periods (e.g., my.variable.name).

What is Constant Case?

Constant Case uses uppercase letters and underscores (e.g., MY_CONSTANT_VARIABLE).

How to convert to Path Case?

Path Case replaces spaces with slashes (e.g., my/variable/name).

Can I count words here?

Yes, a basic word and character count is displayed below the text area.

Does it support non-English?

Yes, standard Unicode characters with case variants (like accented characters) are supported.

Why use Title Case for headlines?

Title Case is standard for English headlines, article titles, and book titles, making them look professional and distinct.

When to use Sentence case?

Use Sentence case for body text, dialogue, and standard prose.

What is 'Capitalize Words'?

This capitalizes the first letter of every single word, regardless of whether it's a 'minor' word like 'the' or 'of'.

How to format code variables?

Use camelCase, snake_case, or PascalCase depending on your programming language's conventions.

Is my text private?

Yes, text conversion happens locally in your browser. N28 does not see or store your text.

How to convert Excel text?

You can paste columns from Excel, convert them here, and paste them back.

What is wide text?

Wide text uses fullwidth characters (like this). It's a stylistic choice, distinct from standard case conversion.

Can I reverse text?

This tool focuses on case, but reversing text is a separate string manipulation function.

How to remove extra spaces?

Conversion to formats like camelCase or snake_case naturally handles removing or replacing spaces.

What is header case?

Header case often refers to 'HTTP-Header-Case' (kebab-case with capitalized words).

Does it work on mobile?

Yes, the N28 Case Converter is fully responsive and works on mobile devices.

Convert to lowercase in JS?

Use the `.toLowerCase()` method on a string object.

Convert to uppercase in Python?

Use the `.upper()` method on a string.

What is Swap Case?

Swap Case inverts the case of each character. 'Hi There' becomes 'hI tHERE'.

Why are my emails in caps?

Accidental caps lock. Use the 'Sentence case' converter to fix it quickly.

Is there a limit on copy paste?

Browser clipboards handle large text well, but system limits may apply for massive amounts of data.