Case Converter

How do I use the Case Converter?

1. 1

   Paste or type your text into the input box.

2. 2

   Click one of the case buttons - UPPER, lower, Title, Sentence, aLtErNaTiNg or iNVERSE.

3. 3

   Copy the converted result or download it as a .txt file.

What is the Case Converter?

The Case Converter transforms any text into UPPERCASE, lowercase, Title Case, Sentence case, aLtErNaTiNg case or iNVERSE case with one click. The output updates instantly, so you can flip between styles until the text looks right.

It is especially useful for fixing text that was typed in the wrong case - like an entire paragraph accidentally left in caps lock, or an all-lowercase heading that needs to become a proper title.

Who is the Case Converter for?

Editors cleaning up submitted copy, students formatting essay headings, marketers polishing ad text, developers renaming labels, and anyone rescuing a document that was typed in the wrong case.

Why use the Case Converter?

• Six case styles in one place.
• Instant preview - click a style and see the result immediately.
• Unicode-aware, so accents and non-Latin scripts convert correctly.
• Handles very long documents without lag.
• Works fully offline once loaded.

When should I use the Case Converter?

• Fixing an all-caps paragraph pasted from a PDF.
• Turning a lowercase draft into a proper Title Case headline.
• Formatting product names and brand copy consistently.
• Preparing text for a spreadsheet where case must match.
• Creating stylised social media captions with aLtErNaTiNg case.

Is the Case Converter safe and private?

Yes. This tool runs entirely inside your browser - your text is never uploaded, stored on our servers or shared with third parties. You can even disconnect from the internet after the page loads and it will keep working. That makes it safe for confidential notes, drafts, private messages and unpublished work.

How do I get the best results from the Case Converter?

• Use Sentence case for body paragraphs and Title Case for headings.
• For headlines, some style guides skip capitalising short words like ‘of’, ‘and’, ‘the’ - you may need light manual editing after Title Case.
• Inverse case is great for testing case-sensitive systems.
• If you plan to slugify the text next, convert to lowercase first for cleaner URLs.

Frequently asked questions

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