Text Case Converter - Uppercase, Lowercase & Title Case
Convert text between uppercase, lowercase, title case, sentence case, and alternating styles for documents, headings, captions, and code.
Case Examples
| Case Type | Example |
|---|---|
| lowercase | hello world |
| UPPERCASE | HELLO WORLD |
| Title Case | Hello World |
| Sentence case | Hello world. This is text. |
| Capitalize Each Word | Hello World |
| aLtErNaTiNg CaSe | hElLo WoRlD |
| InVeRsE cAsE | hELLO wORLD |
Common Use Cases
- • Format headings and titles properly
- • Convert ALL CAPS text to readable format
- • Standardize text from different sources
- • Create consistent formatting for documents
- • Generate fun alternating case text for social media
Change capitalization in copied text without retyping it. Convert headlines, essay drafts, product names, captions, code comments, and notes to uppercase, lowercase, title case, sentence case, or a playful alternating style.
What is a text case converter?
What is a text case converter?
A text case converter changes the capitalization pattern of existing text. It helps standardize content from different sources, repair accidental ALL CAPS, prepare headings, and create consistent labels while leaving the words themselves unchanged.
When to change text case
When to change text case
Format headings and titles
Use title case or sentence case for blog headings, presentation slides, product pages, and newsletters.
Repair copied ALL CAPS text
Convert shouty or inconsistent text into a more readable form before editing or publishing.
Standardize labels and data
Normalize names, categories, tags, and form values copied from different sources.
Prepare social captions
Try lowercase, uppercase, or alternating case for short captions, usernames, and creative posts.
How text case conversion works
How text case conversion works
The browser reads the input and applies a capitalization rule to each letter. Spaces, punctuation, numbers, and line breaks remain in place, so you can review the transformed result before copying it.
Tips for choosing a text case
Tips for choosing a text case
Use sentence case for readability
Sentence case is often easier to scan in paragraphs, messages, and interface text.
Use title case selectively
Title case can work well for headings, but check your publication style guide for small words and proper nouns.
Keep proper nouns in mind
Automatic conversion cannot know every brand, place, or person name, so proofread important copy.
Review code and identifiers
Changing case can alter case-sensitive code, usernames, URLs, and file names. Use the tool for display text unless you intend that change.
Case examples
Case examples
Uppercase
Useful for short labels or emphasis.
Sentence case
A readable choice for normal prose.
Text case options
Text case options
| UPPERCASE | Acronyms and emphasis | Can feel loud in paragraphs. |
| lowercase | URLs and casual text | Review proper nouns. |
| Title / sentence | Headings and prose | Rules vary by language. |
Private browser-based formatting
Private browser-based formatting
Text case conversion runs locally in your browser. Your draft is not uploaded, making the tool useful for private notes, unpublished copy, and internal content cleanup.
Limitations
Limitations
The converter changes letter case but cannot understand brand names, grammar, or editorial style. Review code, URLs, filenames, and case-sensitive identifiers before using the result.