Text Case Converter

Paste your text and convert it to any case format instantly. Supports lowercase, UPPERCASE, Sentence case, Title Case, alternating case, and inverse case. Copy or download the result in one click.

TL;DR: This text case converter transforms any text between six formats instantly: lowercase, UPPERCASE, Sentence case, Title Case, alternating case, and inverse case. Paste your text, click a case button, then copy or download the result. Everything runs in your browser with no data sent anywhere.

What Is a Text Case Converter and When Do You Need One?

A text case converter changes the capitalization pattern of a block of text in one click. You need one when you copy text from one source and it arrives in the wrong case format for your use. Copying a heading from a document and it arrives in ALL CAPS. Pulling an email subject line from an export and needing it in Title Case. Normalizing CSV data before uploading it to a database.

Doing this manually for a paragraph takes 30 seconds. For a 50-item list, it takes 10 minutes. A case converter does it in under a second.

What Is the Difference Between Title Case and Sentence Case?

Title Case capitalizes the first letter of every word. Sentence case capitalizes only the first letter of the first word (and proper nouns). This is the most common question when people use a case converter, and getting it wrong hurts readability.

Does Title Case Affect SEO for Blog Post Titles?

Title Case does not directly change your rankings. Google does not score headlines based on capitalization. But it affects click-through rate in two ways. First, Title Case headlines look more professionally formatted in search results compared to sentence case or all lowercase. A well-formatted title signals quality before anyone reads a word. Second, several headline analysis tools (CoSchedule, Sharethrough) show that Title Case headlines score higher on attention and recall metrics.

For meta titles specifically: Google renders your title tag in search results exactly as you write it. Using Title Case in your <title> tag is standard practice for most English-language sites.

Common Use Cases for a Case Converter

• Blog post title formatting. You draft titles in lowercase or sentence case while writing. Before publishing, convert them all to Title Case in one batch.
• Cleaning copied spreadsheet data. Exporting names or addresses from a CRM often produces ALL CAPS or all lowercase data. Run it through Sentence case to normalize it before import.
• Social media captions. Copy from a document, convert to Sentence case, post. Saves time reformatting.
• Email subject lines. Most email marketing best practice guides recommend Sentence case for subject lines (it reads more personal) and Title Case for formal announcements.
• CSS class names and variable names. Convert to lowercase before using in code to avoid case-sensitivity bugs.
• Hashtag generation. Convert a phrase to lowercase with no spaces before adding the # prefix.

How to Use the Text Case Converter

1. Paste your text — Type or paste any text into the input box above.
2. Click a case button — Choose the conversion you need: lowercase, UPPERCASE, Sentence case, Title Case, alternating, or inverse.
3. Copy or download — Use the "Copy" button to copy to clipboard, or "Download" to save as a .txt file.

When to Use Each Case

Frequently Asked Questions