Document and text tools
Case converter
Convert text to UPPER CASE, lower case, Title Case, Sentence case, camelCase and snake_case.
Anything you type or paste stays in your browser — it is not uploaded to Tools99.
Workspace: 1. Add files2. Ready3. Working4. Done — download
How this workspace works
- Paste your text.
- Pick UPPER CASE, lower case, Title Case, Sentence case, camelCase or snake_case.
- Copy the converted text.
Your text never left this browser, so there is no server copy to delete. Copy it again, start over, or continue with a related tool below.
How to use Case converter
- Paste your text.
- Pick UPPER CASE, lower case, Title Case, Sentence case, camelCase or snake_case.
- Copy the converted text.
A good use for this
Fixing text pasted in the wrong case, or reformatting identifiers for code and filenames.
Limits
Conversion is mechanical — Title Case, for example, capitalises words by rule, not by grammar, so proper nouns and small words may need a manual check.