Convert Case

— Free Online Text Case Converter
Characters: 0 Words: 0 Sentences: 0 Lines: 0

Sentence Case

Capitalizes the first letter of each sentence and lowercases the rest. Ideal for correcting messy copy-pasted text.

Lower Case

Converts every character to lowercase. Useful for normalizing usernames, hashtags, or code identifiers.

Upper Case

Transforms all text to UPPERCASE. Great for headlines, acronyms, or emphasis.

Title Case

Capitalizes major words while keeping articles and short prepositions lowercase — perfect for blog post titles and headings.

Capitalized Case

Capitalizes the first letter of every word. Handy for generating proper names or formatted lists.

Alternating Case

Alternates between uppercase and lowercase letters for a stylized, playful look popular in memes.

Inverse Case

Flips the case of each letter — uppercase becomes lowercase and vice versa. Useful for creative text effects.

Free Online Text Case Converter — Instant & Easy

Need to quickly convert text to uppercase, lowercase, or title case? Our free online case converter handles it instantly — no download, no signup, no cost. Just paste your text, click a button, and copy the result.

What Is a Text Case Converter?

A text case converter is a simple tool that transforms the capitalization of text. Whether you need to fix a wall of SHOUTING ALL-CAPS, standardize headings to Title Case, or create a fun alternating meme style, a case converter does the job in one click.

When Should You Use Each Case?

Sentence case is the standard for body text in most English writing — only the first word of each sentence and proper nouns are capitalized.

Title Case is the standard for headlines in journalism and publishing. Major words are capitalized; articles and short prepositions are not.

UPPER CASE is used for acronyms, emphasis, legal documents, and technical constants in programming.

lower case is common in URLs, email addresses, hashtags, and many programming identifiers (like Python variables).

Capitalized Case (every word capitalized) is sometimes used in marketing copy or product names.

Alternating case and Inverse case are primarily used for creative or humorous purposes.

How to Use This Tool

1. Type or paste your text into the box above.

2. Click the case button that matches your desired format.

3. Use the Copy to Clipboard button to grab the converted text, or Download .txt to save it as a file.