Convert Case Online
Change your text case instantly
Quickly change text to uppercase, lowercase, sentence case, title case, capitalized case, alternating case, or inverse case. Your text is processed in this browser.
Enter or paste your text
No account required • Local browser processingSettings
How to use the online case converter
- Type text in the box or paste it from a document, email, or message.
- Select the case style you need. The text in the editor updates immediately.
- Check the character, word, line, and sentence counts.
- Copy the converted text, share it where supported, or download it as a TXT file.
What do the case options mean?
Sentence case capitalizes the first letter of sentences. lower case makes letters lowercase, while UPPER CASE capitalizes all letters. Capitalized Case capitalizes each word; Title Case uses common title-style capitalization; Alternating Case alternates lowercase and uppercase letters; and Inverse Case switches the current letter case.
Review names, product terms, acronyms, and languages with special capitalization rules before using the converted text.
Frequently asked questions about Convert Case Online
How do I convert text to uppercase or lowercase online?
Paste your text into the editor and choose UPPER CASE or lower case. The converter updates the text instantly, then you can copy or download the result.
Can I convert a paragraph to title case?
Yes. Paste the paragraph and select Title Case. It applies common title-style capitalization, but style guides differ, so review short words, names, and headings before publishing.
How do I change text to sentence case?
Select Sentence case to lowercase the text and capitalize sentence beginnings. Check abbreviations, initials, and language-specific punctuation because automatic sentence detection is not perfect.
Does the online case converter upload my text?
This page performs case conversion in your browser and does not send the text to a conversion server. If you use your browser's share feature, the text is passed to the sharing target you choose.
Can I count characters, words, and lines for free?
Yes. The counters update as you type and after each conversion. Character count includes spaces and line breaks; the “Without spaces” count excludes whitespace characters.
Related tools
Keyword planning: broad terms such as “case converter” and “uppercase converter” may be high-priority targets; “title case converter” and “sentence case converter” are specific tool terms; phrases such as “convert pasted text to alternating case online” are long-tail ideas. These are qualitative suggestions, not measured search-volume data.
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