What is a case converter?
A case converter changes text between uppercase, lowercase, title case, sentence case, and capitalized words. It helps writers quickly format headings, titles, emails, social posts, and copied text.
Text formatting tool
Convert text case for titles, headings, emails, posts, notes, and copied text without installing software.
Private browser-based tool
Convert text case for titles, headings, emails, posts, notes, and copied text without installing software.
A case converter changes text between uppercase, lowercase, title case, sentence case, and capitalized words. It helps writers quickly format headings, titles, emails, social posts, and copied text.
Best for writers, editors, students, bloggers, marketers, and office users cleaning copied text.
Simple workflow
Add your draft, article, essay, caption, email, script, or document to the text box.
Check the live stats, warnings, table, or formatted output without refreshing the page.
Use the signals to shorten, format, clean, or improve the text for real readers.
Copy the final text or download a TXT file when you are ready.
Quick reference
Use these ranges as practical editing guides. Exact requirements can vary by school, publisher, platform, or client.
| Use | Guide |
|---|---|
| UPPERCASE | Turns every letter into capitals |
| lowercase | Turns every letter into lowercase |
| Title Case | Capitalizes headline-style words |
| Sentence case | Capitalizes sentence starts |
| Capitalize Words | Capitalizes each word |
SentencesCounter is built for English writing used in the United States, United Kingdom, Canada, Australia, New Zealand, Ireland, South Africa, and international English-language teams that publish in English.
The tool runs in your browser. It does not require signup and does not upload your pasted draft by the counter. This is useful for essays, emails, business documents, scripts, and unpublished website copy.
Helpful answers
Yes. Paste text and choose UPPERCASE.
Yes. Choose lowercase to make all letters lowercase.
Yes. It includes a title case option for headings and article titles.
Yes. Conversion runs in your browser.
Yes. The tool is mobile friendly.
No. It creates output you can review and copy.
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