QuickFnd Tool
Text Case Converter
Convert text between uppercase, lowercase, title case, and sentence case.
Text Case Converter
About Text Case Converter
Text Case Converter transforms text between uppercase, lowercase, title case, sentence case, and slug format instantly. Paste any text and convert it to the style you need for headlines, code, URLs, or documents.
Why use Text Case Converter?
- Convert between 6 case styles in one click: UPPER, lower, Title, Sentence, slug-case, camelCase.
- Process any amount of text instantly — blog post, code snippet, or heading.
- Slug format removes special characters and spaces for SEO-friendly URL generation.
- No login, no upload — everything happens in your browser.
How to use it
Paste or type your text into the input field.
Click the case style button you want: Uppercase, Lowercase, Title Case, Sentence, Slug, or camelCase.
The converted text appears instantly in the output area.
Click Copy to copy the result to your clipboard.
Best use cases
Converting article titles to proper title case for blog posts and headlines
Generating URL slugs from page titles for SEO-friendly links
Fixing ALL CAPS text pasted from PDFs or email chains
Converting variable names between camelCase and snake_case in code
Popular search variations
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Frequently asked questions
What is title case vs sentence case?
Title Case capitalises the first letter of every major word (used in article titles and headings). Sentence case only capitalises the first word of each sentence (used in most body text).
How does slug case work?
Slug case converts text to lowercase, replaces spaces with hyphens, and removes special characters. 'Hello World!' becomes 'hello-world'. Used in URLs, filenames, and CSS class names.
Should I use hyphens or underscores in slugs?
Hyphens are strongly preferred for SEO. Google treats hyphens as word separators but underscores as word joiners. 'json-formatter' ranks for both words separately; 'json_formatter' may not.
Does it handle accented characters?
For case conversions yes — accented characters are preserved in appropriate case. In slug mode, accented characters are transliterated to ASCII equivalents (é becomes e, ñ becomes n).
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