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Case Converter

Case Converter transforms text into uppercase, lowercase, title case, sentence case, and other common casings for headings, code, and cleanup.

Input

Convert to

How to use Case Converter

  1. Paste your text.
  2. Choose the target case style.
  3. Copy the converted result.

Worked examples

Concrete numbers and cases you can check against the tool above.

Title Case a guest list

“JANE DOE, john smith, aNNa LEE” becomes “Jane Doe, John Smith, Anna Lee” in title case. Sentence case is better for paragraphs; UPPER CASE for constants; lowercase for slugs. Name particles (von, de) may still need a manual pass — algorithmic title case is not a style guide.

When to use Case Converter

Headlines, code identifiers, and messy pasted text often need consistent casing. One click beats retyping or fighting spreadsheet formulas, especially when you are cleaning exports from multiple systems. Keeping the conversion local also means confidential draft copy never hits a random web form.

Common use cases

  • Normalize a list of names to title case for invitations.
  • Convert shouting-case emails into readable sentence case.
  • Prepare constants in UPPER_CASE for configuration files.
  • Clean product titles copied from inconsistent catalogs.

Inputs and outputs

  • Plain text

Privacy

This tool runs entirely in your browser. Your data never leaves your device — nothing is uploaded to our servers.

Frequently asked questions

What is title case?
Title case capitalizes major words in a headline-style way. Small words may stay lowercase depending on the rules applied.
Does it change punctuation?
It focuses on letter casing; punctuation is generally left as-is.
Is text uploaded?
No. Conversion is local.

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