Convert text to uppercase
Convert any text to UPPERCASE instantly. Useful for headings, acronyms, or whenever you need to emphasize a piece of text.
Applies JavaScript's standard toUpperCase() method, which correctly handles accented characters across languages.
Use cases
- Writing titles or headings in uppercase.
- Formatting acronyms or codes.
- Preparing text for templates that require uppercase.
How it works
- 1
Paste your text
Type or paste the original text on the left.
- 2
Copy the result
The uppercase text appears automatically on the right.
Frequently asked questions
Does it handle accented letters?
Yes, accented vowels are converted to their uppercase accented form (a -> A, e -> E, etc.).
Is there a text length limit?
There's no fixed limit; it handles long texts well since the conversion runs entirely in your own browser, with nothing uploaded to a server.
Can I undo the change?
The original text stays in the input box untouched; just clear it or paste it again if you want to start over.
Does it affect numbers and symbols?
Numbers and symbols are left as-is, since they have no uppercase form; only letters are transformed.