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    Type at least two letters to search news and guides.

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    Free tool · Writing

    Case Converter

    Switch text between upper, lower, title, sentence, camel, snake and kebab case in one click.

    Runs in your browser: nothing you type is uploaded.

    How to use it

    1. 1

      Paste or type the text you want to convert.

    2. 2

      Choose a case: upper, lower, title, sentence, camel, snake or kebab.

    3. 3

      Check the result. Title and sentence case keep acronyms like SEO and brand names like iPhone as you typed them.

    4. 4

      Copy the result with one click and paste it where you need it.

    Why it matters

    Consistent capitalisation makes headlines, title tags and menus look deliberate. Fixing a whole list by hand is slow and easy to get wrong, especially with mixed-case brand names.

    Title case here follows the common style-guide rule: capitalise every word except short articles, conjunctions and prepositions (a, and, of, to, in), unless they start or end the title or follow a colon. Style guides differ on the details, so check the result against your house style.

    Camel, snake and kebab case are for code and data: variable names, file names, URL slugs and analytics event names. Each line converts separately, so you can paste a whole list at once.

    Frequently asked questions

    What's the difference between title case and sentence case?

    Title case capitalises most words (How to Fix a Slow Site). Sentence case capitalises only the first word and proper nouns (How to fix a slow site). Google's developer documentation uses sentence case for headings; many news sites use title case for headlines. Either works if you stay consistent.

    Does capitalisation in a title tag affect rankings?

    No. Search is case-insensitive, so “Core Update” and “core update” match the same queries. Case only changes how your result looks to readers.

    Will title case lowercase my acronyms?

    No. Words with capitals after the first letter, such as SEO, GA4, iPhone or YouTube, are kept exactly as you typed them.

    Which case should I use for URLs?

    Lowercase words joined by hyphens (kebab case). Paths can be case-sensitive, so mixing cases risks duplicate URLs, and Google recommends hyphens rather than underscores between words. The URL Slug Generator does this for you.

    Is my text stored?

    No. The conversion runs in your browser and nothing is sent to our server.

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