Text Case Converter

Convert text between UPPER, lower, Title, Sentence and other cases with clean-up options.

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How to use Text Case Converter

Three quick steps — no sign-up needed

  1. Step 1

    Enter your text

    Paste the content whose capitalisation you want to change.

  2. Step 2

    Choose a case conversion

    Apply UPPER, lower, Title, Sentence, or other listed case modes.

  3. Step 3

    Optional clean-up and copy

    Use clean-up options if shown, then copy the result.

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About Text Case Converter

Text Case Converter changes capitalisation between upper case, lower case, title case, sentence case, and related modes, with optional clean-up. Editors searching "title case converter", "uppercase converter", or "sentence case online" need consistent headings without retyping.

Paste text, pick a conversion, apply clean-up options when available, and copy. Title case rules vary by style guide (which small words stay lowercase) - adjust edge cases for Chicago vs AP preferences.

Case conversion will not fix spelling. Run spell check separately on important copy.

Benefits of Text Case Converter

Multiple case modes UPPER, lower, Title, Sentence, and more.
Clean-up options Tidy messy pastes while converting.
Headline helper Normalize section titles quickly.
Bulk paragraph friendly Convert whole drafts at once.

Frequently asked questions

What is sentence case?

First letter of the sentence capitalised; the rest mostly lowercase.

What is title case?

Major words capitalised for headings - small words may stay lowercase by style guide.

Does it preserve acronyms?

Fully uppercased input may need manual fixes for NASA-style terms after lowercasing.

Can it convert code identifiers?

Use the developer case converter for camelCase/snake_case code names.

Will it change punctuation?

Focus is capitalisation; clean-up options may normalise some spacing if enabled.