Text Case Converter

Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case or kebab-case.

Enter values to see the result.

Text Case Converter for UPPERCASE, lowercase, Title Case and Sentence case

The Text Case Converter takes any block of text and rewrites it in the letter case you actually need, without you having to retype a single word. Paste a product description, a WhatsApp forward written entirely in capitals, a heading pulled from a PDF, or a list of customer names, choose the case you want, and copy the cleaned-up result. It handles a single line or several lakh characters of pasted content with the same click.

Which cases it converts

  • UPPERCASE — turns every letter into a capital, useful for signboards, disclaimers and legal notices.
  • lowercase — drops everything to small letters, handy for email IDs, hashtags and URLs where capitals cause problems.
  • Title Case — capitalises the first letter of each main word, the standard style for headings, book titles and course names.
  • Sentence case — capitalises only the first letter of each sentence and leaves the rest lowercase, the way normal paragraphs are written.
  • Capitalise Each Word — similar to Title Case but capitalises every word including small joining words like "of", "and" and "the".
  • aLtErNaTiNg and InVeRsE case — alternate letters, or flip the case of whatever you typed, for stylised social-media captions.

Why letter case matters more than people think

Text copied from spreadsheets, invoices, government portals and old databases is often a mess of mixed case. A vendor name might appear as "raj TRADERS pvt ltd" in one row and "RAJ Traders Pvt Ltd" in another. Manually fixing each entry wastes time and introduces typos. Converting to a consistent case in one pass keeps your records tidy, which matters when you are matching GST records, deduplicating a customer list, or preparing a clean CSV for import. For headings and marketing copy, the wrong case looks unprofessional — ALL CAPS reads as shouting, and all lowercase can look careless in a formal notice.

How the conversion works

The tool reads your text and applies straightforward rules for the case you pick. For Sentence case it looks for full stops, question marks and exclamation marks to decide where a new sentence begins, then capitalises the first letter after each. For Title Case it capitalises the character that follows every space. Numbers, punctuation, symbols such as the rupee sign, and line breaks are left untouched, so amounts like Rs 2,50,000 or a 10-digit mobile number stay exactly as you typed them. Because the work happens entirely in your browser, your text is never uploaded to a server — useful when the content includes names, PAN numbers, or draft contracts you would rather not send anywhere.

Tips for cleaner results

  • For proper nouns and abbreviations like GST, IIT or CEO, Sentence case and Title Case will lowercase the extra letters — do a quick manual fix on those few acronyms after converting.
  • Use lowercase before creating email addresses or website slugs, since capitals are best avoided there.
  • When cleaning a name list, run Capitalise Each Word first, then scan for surnames that need special casing.
  • Convert long pasted text in one go rather than line by line — the tool handles large blocks instantly and preserves your paragraph breaks.

Whether you are polishing a heading, standardising a spreadsheet column, or toning down a message written in full capitals, the converter gives you a clean result you can copy in seconds.

How to use it

  1. Paste or type your text into the input box — a single line or several paragraphs both work.
  2. Choose the case you want: UPPERCASE, lowercase, Title Case, Sentence case, Capitalise Each Word, or an alternating style.
  3. The converted text appears instantly in the output area with numbers, punctuation and line breaks preserved.
  4. Review the result and manually fix any acronyms like GST or IIT that need special capitalisation.
  5. Click Copy to place the converted text on your clipboard, then paste it wherever you need it.
  6. Clear the box and repeat with the next block of text as needed.

A Surat textile trader exports a customer list from Tally where names appear in random casing — "MANOJ patel", "sunita SHARMA", "R.k. ENTERPRISES". Running the whole column through Capitalise Each Word makes every entry consistent before importing it back for a bulk WhatsApp or SMS campaign, so greetings read "Dear Manoj Patel" instead of "Dear MANOJ patel".

A content writer pastes a heading that arrived in ALL CAPS in a client brief and converts it to Title Case for the blog. A student cleaning notes copied from a PDF uses Sentence case to turn shouting capitals into readable paragraphs. An accountant standardises firm names across GST invoices so "raj traders pvt ltd" and "RAJ TRADERS PVT LTD" match as the same vendor. Each fix takes seconds instead of retyping, and because it runs in the browser, sensitive names and figures never leave the device.

Frequently asked questions

What is the difference between Title Case and Sentence case?

Title Case capitalises the first letter of every main word, like a headline. Sentence case capitalises only the first letter of each sentence and keeps the rest lowercase, the way normal paragraphs are written.

Will the converter change my numbers, rupee amounts or mobile numbers?

No. Only letters are affected. Digits, punctuation, the rupee sign and symbols stay exactly as you typed them, so amounts like Rs 2,50,000 and 10-digit phone numbers remain intact.

Does it handle acronyms like GST, PAN or IIT correctly?

Not automatically. Sentence and Title Case will lowercase the extra letters in an acronym, so after converting you should manually re-capitalise a few known abbreviations.

Is there a limit on how much text I can convert?

There is no fixed word limit. You can convert a single line or several lakh characters pasted at once, and the conversion happens instantly.

Is my text uploaded anywhere?

No. The conversion runs entirely in your browser, so drafts, names and any sensitive content are never sent to a server.

Are paragraph breaks and blank lines kept?

Yes. Line breaks and spacing are preserved, so a multi-paragraph message keeps its structure after conversion.