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Case Converter

Type once and get 14 cases live, from UPPERCASE and sentence case to camelCase, snake_case, kebab-case and url-slug. Copy any result or download it as .txt, with no word cap.

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Your files are processed in your browser, on your own device. Nothing is uploaded to a server.

    A Case Converter rewrites your text in the case you need, the moment you type. ToolPeko offers 14 formats from UPPERCASE and Title Case to camelCase, snake_case and url-slug, with copy and download built in, no word cap, no upload and no sign-up, all inside your own browser tab today.

    How the Case Converter works

    Type or paste your text once and every format updates live below it. There is no convert button to hunt for and no second paste for each style. Read the version you need, copy it with one click, or download the result as a .txt file. A .txt file can also be dropped in at the start, which helps when the text lives in a note or a draft file.

    1. Type in the box, paste your text, or drop in a .txt file.
    2. Scan the 14 live results and find the format your task calls for.
    3. Copy that result, or download it as a .txt file.
    4. Paste it into your document, code or form and carry on.

    The 14 formats cover the cases people actually meet. UPPERCASE and lowercase handle shouting and quiet text. Sentence case capitalizes the first letter of each sentence. Title Case here capitalizes every word, plain and simple. The playful pair, aLtErNaTiNg and iNVERSE, serve memes and emphasis games, while RaNdOm mixes case at random for jokes.

    The Case Converter formats, grouped by job

    Code and data formats join words in set ways. camelCase joins words with each new word capitalized and no spaces, the shape of many variables in JavaScript. PascalCase capitalizes the first word too, common for class names. snake_case joins with underscores in lower case, kebab-case joins with hyphens, CONSTANT_CASE uses underscores in upper case for fixed values, dot.case joins with full stops, and url-slug builds the hyphenated lower case line a web address needs.

    Picking the right one matters because systems are picky. A variable name pasted in the wrong case fails in code that treats names as exact. A file name with spaces breaks links on some servers. Converting once, correctly, beats fixing a broken name in ten places later, and the live list lets you compare every option against the same text before you commit to one.

    Plain writing formats earn their place too. A headline typed in a rush often lands in all caps or all lower case. Sentence case fixes a pasted paragraph in one pass, and Title Case gives a quick headline draft. For headline rules that follow a named style guide, the dedicated title case tool on this site applies AP, APA, Chicago and MLA rules instead of capitalizing every word.

    When a Case Converter saves real time

    Developers reach for this page daily. An API returns field names in one style, a database stores another, and a front end expects a third. Converting a list of names by hand invites a typo in every line. Pasting the list here and copying the right case back removes that whole class of small, costly errors.

    Writers and assistants meet case trouble in ordinary office work. A spreadsheet column arrives in full caps, a title list lands in lower case, or a form demands a slug for a new page. Retyping is slow and error prone. One paste fixes the batch. Social media work adds the light formats, where alternating and random case carry the joke, and typing those by hand letter by letter is nobody’s idea of fun.

    There is no word cap on this page. Some free converters tied to paid writing suites stop at 200 words and ask for an account to go further. Here a sentence and a full document convert the same way, as often as you need, because the work happens on your device and costs this site nothing per conversion.

    Honest limits of case conversion

    Conversion follows rules, not meaning. Sentence case capitalizes after full stops, so an abbreviation mid-line can leave the next word capitalized when it should stay lower. Names that mix case on purpose, like iPhone or eBay, come out flattened in most formats and need a quick hand fix after. The tool shows every result live precisely so you can catch those spots before you copy.

    Your text stays private throughout. Nothing is uploaded, stored or shared, and no sign-up stands at the door. Convert a client draft or a private note. The page treats them all the same.

    FAQs

    How many formats does this Case Converter offer?

    Fourteen: UPPERCASE, lowercase, Sentence case, Title Case, aLtErNaTiNg, iNVERSE, RaNdOm, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, dot.case and url-slug. All 14 update live from the same text you type or paste once.

    Is there a word limit?

    No word cap and no daily limit. Some free converters tied to paid suites stop at 200 words. This one converts a headline or a whole document the same way, as many times as you need, free.

    What is the difference between camelCase and PascalCase?

    Both join words with no spaces and capitalize each new word. camelCase keeps the first word lower case, like userName. PascalCase capitalizes the first word too, like UserName, and is common for class names.

    Can I convert text from a file?

    Yes. Drop a .txt file into the box and its text loads ready to convert. When you finish, copy any result with one click or download the converted text as a .txt file.

    Does Title Case here follow style guide rules?

    No. Title Case on this page capitalizes every word, which suits quick headlines. For AP, APA, Chicago or MLA rules with short words kept lower, use the Title Case Converter page on this site instead.

    Is my text uploaded to a server?

    No. The conversion runs in your browser on your device. Nothing is sent, stored or shared, and you never need an account. Close the tab and the text leaves with it.

    More Text and Writing Tools

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